Commit Graph

6038 Commits

Author SHA1 Message Date
Pavankumar Kondeti 61948ee4d5 USB: gadget: Initialize ci13xxx gadget device's coherent DMA mask
dma_alloc_coherent() which is internally called by dma_pool_alloc()
flags a warning if device's coherent DMA mask.  Hence initialize
gadget device's coherent DMA mask to it's parent mask.

Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-12-10 14:23:33 -08:00
Pavankumar Kondeti 0a91efa2f9 USB: gadget: Fix "scheduling while atomic" bugs in ci13xxx_udc
dma_pool_alloc() require sleeping context when called with GFP_KERNEL
argument.  Hence release the spin lock before calling dma_pool_alloc().

usb_ep_alloc_request can also be called with non-atomic GFP flags.  Hence
get rid off spin lock while allocation request memory.

Use GFP_ATOMIC flag for allocating request for ep0 in interrupt handler.

Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-12-10 14:23:33 -08:00
Pavankumar Kondeti 409a15da98 USB: gadget: Separate out PCI bus code from ci13xxx_udc
Move PCI bus code from ci13xxx_udc to a new file ci13xxx_pci.  SoC's
which has MIPS USB core can include the ci13xxx_udc and keep bus glue
code in their respective gadget controller drivers.

Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-12-10 14:23:32 -08:00
Pavankumar Kondeti 87c0104af7 USB: OTG: msm: Add support for power management
Implement runtime and system pm ops to put hardware into low power
mode (LPM). As part of LPM, USB clocks are turned off, PHY is put
into suspend state and PHY comparators are turned off if VBUS/Id
notifications are not required from PHY.

Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-12-10 14:23:32 -08:00
Pavankumar Kondeti 8bb6a164b9 USB: EHCI: msm: Add support for power management
Enable runtime PM and mark no_callbacks flag.  OTG device, parent of
HCD takes care of putting hardware into low power mode.  Adjust port
power wakeup flags during system suspend and resume.

Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-12-10 14:23:32 -08:00
Pavankumar Kondeti b0848aea10 USB: EHCI: Add MSM Host Controller driver
This patch adds support for EHCI compliant HSUSB Host controller found
on MSM chips.  The root hub has a single port and TT is built into it.
This driver depends on OTG driver for PHY initialization, clock
management and powering up VBUS.

Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-12-10 14:23:32 -08:00
Pavankumar Kondeti e0c201f339 USB: Add MSM OTG Controller driver
This driver implements PHY initialization, clock management, ULPI IO ops
and simple OTG state machine to kick host/peripheral based on Id/VBUS
line status.  VBUS/Id lines are tied to a reference voltage on some boards.
Hence provide debugfs interface to select host/peripheral mode.

Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-12-10 14:23:31 -08:00
Alex He 05570297ec USB: EHCI: ASPM quirk of ISOC on AMD SB800
When ASPM PM Feature is enabled on UMI link, devices that use ISOC stream of
data transfer may be exposed to longer latency causing less than optimal per-
formance of the device. The longer latencies are normal and are due to link
wake time coming out of low power state which happens frequently to save
power when the link is not active.
The following code will make exception for certain features of ASPM to be by
passed and keep the logic normal state only when the ISOC device is connected
and active. This change will allow the device to run at optimal performance
yet minimize the impact on overall power savings.

Signed-off-by: Alex He <alex.he@amd.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-12-10 14:21:35 -08:00
Peter Huewe 66921edd7d USB: serial: usb_wwan: Add missing uaccess.h / fix build failure
This patch fixes a build failure[1] by adding the missing uaccess.h needed
for copy_from_user and copy_to_user

References:
	http://kisskb.ellerman.id.au/kisskb/buildresult/3607218/

Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-12-10 14:18:36 -08:00
Tobias Klauser 537baabbdf usb: gadget: f_fs: Remove redundant unlikely()
IS_ERR() already implies unlikely(), so it can be omitted here.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-12-10 14:18:36 -08:00
Tobias Ollmann 16325f18ea USB: host: uhci-q: Fixed minor coding style issues
Fixed coding style issues (delete trailing whitespaces, break
long line)

Signed-off-by: Tobias Ollmann <tobias.ollmann@gmx.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-12-10 14:18:36 -08:00
Uwe Kleine-König 34404082bb usb: gadget/imx-udc: fix interrupt name again
Commit 06c3859 (usb: gadget/imx-udc: remove usage of deprecated symbol
USBD_INT0) was a bit precipitant because the name used instead didn't
match the usual naming scheme for irqs on arm/imx.  I renamed the irq to
the right name in e083000 (ARM: imx: dynamically allocate imx_udc
device) when 06c3859 didn't hit Linus' tree, so I missed to add a
compat #define.

This patch allows compiling imx_udc.c with and without e083000.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-12-10 14:18:35 -08:00
Namhyung Kim 8170344cb8 USB: whci-hcd: fix compiler warning
Annotate whci_hcd_id_table as '__used' to fix following warning:

  CC      drivers/usb/host/whci/hcd.o
drivers/usb/host/whci/hcd.c:359: warning: ‘whci_hcd_id_table’ defined but not used

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-12-10 14:18:35 -08:00
Florian Faber 5363cdc3c5 USB: ftdi_sio: Add D.O.Tec PID
Add FTDI PID to identify D.O.Tec devices correctly.

Signed-off-by: Florian Faber <faberman@linuxproaudio.org>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-12-10 13:01:52 -08:00
Hema HK 594632efbb usb: musb: Adding musb support for OMAP4430
OMAP4430 supports UTMI and ULPI types of transceiver interface.

In UTMI mode: The PHY is embedded within OMAP4430. The transceiver functionality
is split between the twl6030 PMIC chip and OMAP4430. The VBUS, ID pin
sensing and OTG SRP generation part is integrated in TWL6030 and UTMI PHY
functionality is embedded within the OMAP4430.

There is no direct interactions between the MUSB controller and TWL6030
chip to communicate the session-valid, session-end and ID-GND events.
It has to be done through a software by setting/resetting bits in
one of the control module register of OMAP4430 which in turn toggles
the appropriate signals to MUSB controller.

musb driver is register for blocking notifications from the transceiver
driver to get the event notifications for connect/disconnect and ID-GND.
Based on these events call the transceiver init/shutdown function to
configure the transceiver to toggle the VBUS valid, session end and ID_GND
signals to musb and power on/off the internal PHY.

For ID_GND event notifications, toggle the ID_GND signal and then wait for
musb to be configured as "A" device, and then call the transceiver function
to set the VBUS.

In OTG mode and musb as a host, When the Micro A connector used, VBUS is turned on
and session bit set. When the device is connected, enumeration goes through.
When the device disconnected from the other end of the connector(ID is still grounded),
link will detect the disconnect and end the session. When the device is connected back,
there are no events generated in the TWL6030-usb, and link is already down.
So the device is not detected. Removed the session bit disable code which
will recognize the connect of the device.

Limitation: In OTG host mode, if device is connected during boot, it does not get
detected. If disconnect and connect it back or connect after boot only it works.
Fix for this, I will submit seperate patch later.

Signed-off-by: Hema HK <hemahk@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10 14:56:31 +02:00
Hema HK 221946d04a usb: otg: TWL6030: Add twl6030_usb file for compilation
Add the twl6030_usb transceiver file for compilation.

Signed-off-by: Hema HK <hemahk@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10 14:47:45 +02:00
Hema HK 4c42fbc99f usb: musb: TWL6030: Selecting TWL6030_USB transceiver
Selecting the twl6030-usb for OMAP4430SDP and OMAP4PANDA boards and
adding OMAP4 internal phy code for compilation

Signed-off-by: Hema HK <hemahk@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10 14:45:59 +02:00
Hema HK 6b296123cc usb: otg: Kconfig: Add Kconfig option for TWL6030 transceiver.
Added the TWL6030-usb transceiver option in the Kconfig

Signed-off-by: Hema HK <hemahk@ti.com>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10 14:45:14 +02:00
Hema HK c33fad0c37 usb: otg: Adding twl6030-usb transceiver driver for OMAP4430
Adding the twl6030-usb transceiver support for OMAP4 musb driver.

OMAP4 supports 2 types of transceiver interface.

1. UTMI: The PHY is embedded within OMAP4. The transceiver functionality
is split between the twl6030 PMIC chip and OMAP4430. The VBUS, ID pin
sensing and OTG SRP generation part is integrated in TWL6030 and UTMI PHY
functionality is embedded within the OMAP4430.

There is no direct interactions between the MUSB controller and TWL6030
chip to communicate the session-valid, session-end and ID-GND events.
It has to be done through a software by setting/resetting bits in
one of the control module register of OMAP4430 which in turn toggles
the appropriate signals to MUSB controller.

The internal transceiver has functional clocks and
powerdown bits to powerdown the PHY for power saving.

Since there is no option available for having 2 transceiver drivers
for one USB controller, internal PHY specific APIs are passed through
plaform_data function pointers to use in the twl6030-usb transceiver
driver.

2. ULPI interface is provided for off-chip transceivers.

Signed-off-by: Hema HK <hemahk@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10 14:43:51 +02:00
Mian Yousaf Kaukab 4bc36fd31b usb: musb: add support for ux500 platform
Initial support for u8500 and u5500 platform.

Signed-off-by: Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10 10:21:36 +02:00
Ajay Kumar Gupta a9c037832e musb: am35x: fix compile error due to control apis
commit 4814ced511 (OMAP:
control: move plat-omap/control.h to mach-omap2/control.h)
moved <plat/control.h> to another location, preventing
drivers from accessing it, so we need to pass function
pointers from arch code to be able to talk to internal
PHY on AM35x.

Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10 10:21:35 +02:00
Felipe Balbi 92b48df24e usb: musb: drop board_set_vbus
that's not used anymore. So let's drop it.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10 10:21:33 +02:00
Felipe Balbi 784173723e usb: musb: drop musb_platform_suspend/resume
all glue layers are now fully moved to the
new setup. We are now using dev_pm_ops to
implement suspend/resume functionality and
thus, musb_platform_suspend/resume has become
deprecated and useless.

This patch drops those function pointers and
its uses.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10 10:21:32 +02:00
Felipe Balbi fcd22e3b1f usb: musb: blackfin: usb dev_pm_ops structure
instead of using musb_platform_suspend_resume,
we can use dev_pm_ops and let platform_device
core handle when to call musb_core's suspend and
glue layer's suspend.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10 10:21:31 +02:00
Felipe Balbi 6f783e287c usb: musb: am35x: usb dev_pm_ops structure
instead of using musb_platform_suspend_resume,
we can use dev_pm_ops and let platform_device
core handle when to call musb_core's suspend and
glue layer's suspend.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10 10:21:30 +02:00
Felipe Balbi c20aebb927 usb: musb: omap2430: use dev_pm_ops structure
instead of using musb_platform_suspend/resume,
we can use dev_pm_ops and let the platform_device
core handle when to call musb_core's suspend and
glue layer's suspend.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10 10:21:29 +02:00
Felipe Balbi e6326358a4 usb: musb: omap2430: drop the nops
we don't need those nops, so drop them.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10 10:21:28 +02:00
Felipe Balbi 3c8a5fcc05 usb: musb: mark musb_save/restore_context static
those aren't used outside musb_core.c, so mark
them as static.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10 10:21:27 +02:00
Felipe Balbi 496351413a usb: musb: drop musb_platform_save/restore_context
... that can be easily folded into the
musb_platform_suspend/resume calls.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10 10:21:26 +02:00
Felipe Balbi fa56df915d usb: musb: drop the set_clock magic
now that platform glue layer handles
clock completely, that function is completely
useless for us. Drop it.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10 10:21:25 +02:00
Felipe Balbi 0349176120 usb: musb: move clock handling to glue layer
musb core doesn't need to know about platform
specific details. So start moving clock
handling to platform glue layer and make
musb core agnostic about that.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10 10:21:24 +02:00
Felipe Balbi f7ec94370f usb: musb: pass platform_ops via platform_data
... then we don't need to export any symbols
from glue layer to musb_core.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10 10:21:23 +02:00
Felipe Balbi a023c631f5 usb: musb: blackfin: give it a context structure
that structure currently only holds a device
pointer to our own platform_device and musb's
platform_device, but soon it will hold pointers
to our clock structures and glue-specific bits
and pieces.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10 10:21:22 +02:00
Felipe Balbi e6480faa10 usb: musb: da8xx: give it a context structure
that structure currently only holds a device
pointer to our own platform_device and musb's
platform_device, but soon it will hold pointers
to our clock structures and glue-specific bits
and pieces.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10 10:21:21 +02:00
Felipe Balbi e110de4d53 usb: musb: davinci: give it a context structure
that structure currently only holds a device
pointer to our own platform_device and musb's
platform_device, but soon it will hold pointers
to our clock structures and glue-specific bits
and pieces.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10 10:21:20 +02:00
Felipe Balbi 1add75d2bd usb: musb: tusb6010: give it a context structure
that structure currently only holds a device
pointer to our own platform_device and musb's
platform_device, but soon it will hold pointers
to our clock structures and glue-specific bits
and pieces.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10 10:21:19 +02:00
Felipe Balbi 0919dfc12a usb: musb: am35x: give it a context structure
that structure currently only holds a device
pointer to our own platform_device and musb's
platform_device, but soon it will hold pointers
to our clock structures and glue-specific bits
and pieces.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10 10:21:18 +02:00
Felipe Balbi a3cee12aa9 usb: musb: omap2430: give it a context structure
that structure currently only holds a device
pointer to our own platform_device and musb's
platform_device, but soon it will hold pointers
to our clock structures and glue-specific bits
and pieces.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10 10:21:17 +02:00
Felipe Balbi 9cb0308eec usb: musb: split blackfin to its own platform_driver
Just adding its own platform_driver, not really
using it yet.

Later patches will come to split power management
code from musb_core and move it completely to HW
glue layer.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10 10:21:16 +02:00
Felipe Balbi 8ceae51ed5 usb: musb: split da8xx to its own platform_driver
Just adding its own platform_driver, not really
using it yet.

When all HW glue layers are converted, more patches
will come to split power management code from musb_core
and move it completely to HW glue layer.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10 10:21:16 +02:00
Felipe Balbi 73b089b052 usb: musb: split davinci to its own platform_driver
Just adding its own platform_driver, not really
using it yet.

When all HW glue layers are converted, more patches
will come to split power management code from musb_core
and move it completely to HW glue layer.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10 10:21:15 +02:00
Felipe Balbi 18688fbeb0 usb: musb: split tusb6010 to its own platform_driver
Just adding its own platform_driver, not really
using it yet.

When all HW glue layers are converted, more patches
will come to split power management code from musb_core
and move it completely to HW glue layer.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10 10:21:14 +02:00
Felipe Balbi ce40c5767a usb: musb: split am35x to its own platform_driver
Just adding its own platform_driver, not really
using it yet.

When all HW glue layers are converted, more patches
will come to split power management code from musb_core
and move it completely to HW glue layer.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10 10:21:13 +02:00
Felipe Balbi dc09886bfa usb: musb: split omap2430 to its own platform_driver
Just adding its own platform_driver, not really
using it yet.

When all HW glue layers are converted, more patches
will come to split power management code from musb_core
and move it completely to HW glue layer.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10 10:21:11 +02:00
Felipe Balbi 05ac10dd68 usb: musb: trivial search and replace patch
change all ocurrences of musb_hdrc to musb-hdrc.

We will call glue layer drivers musb-<glue layer>,
so in order to keep things somewhat standard, let's
change the underscore into a dash.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10 10:21:10 +02:00
Felipe Balbi 7c92554642 usb: musb: add Kconfig options for each glue layer
This will make things simpler when choosing which
glue layer to compile. It avoids a lot of magic
around the "default" Kconfig option and lets the
user choose what exactly s/he wants to compile.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10 10:21:09 +02:00
Felipe Balbi 7421107b29 usb: musb: hold context on musb structure
when we start splitting HW glue layer, it's
gonna make it easier to re-use that structure.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-10 10:21:08 +02:00
Sarah Sharp f8bbeabc34 xhci: Fix issue with port array setup and buggy hosts.
Fix two bugs with the port array setup.

The first bug will only show up with broken xHCI hosts with Extended
Capabilities registers that have duplicate port speed entries for the same
port.  The idea with the original code was to set the port_array entry to
-1 if the duplicate port speed entry said the port was a different speed
than the original port speed entry.  That would mean that later, the port
would not be exposed to the USB core. Unfortunately, I forgot a continue
statement, and the port_array entry would just be overwritten in the next
line.

The second bug would happen if there are conflicting port speed registers
(so that some entry in port_array is -1), or one of the hardware port
registers was not described in the port speed registers (so that some
entry in port_array is 0).  The code that sets up the usb2_ports array
would accidentally claim those ports.  That wouldn't really cause any
user-visible issues, but it is a bug.

This patch should go into the stable trees that have the port array and
USB 3.0 port disabling prevention patches.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@kernel.org
2010-12-09 11:59:42 -08:00
Greg Kroah-Hartman ea3398a1ae Staging: Merge 2.6.37-rc5 into staging-next
This was done to handle a number of conflicts in the batman-adv
and winbond drivers properly.  It also now allows us to fix up the sysfs
attributes properly that were not in the .37 release due to them being
only in this tree at the time.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-12-07 10:47:56 -08:00
Felipe Balbi 743411b3f3 usb: musb: make all glue layer export struct musb_platform_ops
preparing to a big refactor on musb code. We need
to be able to compile in all glue layers (or at
least all ARM-based ones) together and have a
working binary.

While preparing for that, we move every glue
layer to export only one symbol, which is
a struct musb_platform_ops, and make all
other functions static.

Later patches will come to allow for compiling
all glue layers together and have a working
binary.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-07 09:19:39 +02:00
Felipe Balbi 3ca8abb845 usb: musb: introduce struct musb_platform_ops
This will be passed to musb_core by platform glue
layer in order to make it easier to compile support
for several HW glue layers.

Later patches will come using this structure and
also moving HW glue layers to its own platform
driver; the idea is to be able to handle platform
peculiarities in a manner which doesn't affect one
another.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-07 08:13:25 +02:00
Sascha Hauer 0e44e05958 Merge commit 'v2.6.37-rc4' into imx-for-2.6.38
Done to resolve merge conflict:

Conflicts:
	arch/arm/mach-mx25/devices-imx25.h

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-12-06 09:36:17 +01:00
Greg Kroah-Hartman fe4bfb30fe Merge branch 'sh/ehci' of master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6 into work
* 'sh/ehci' of master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6:
  sh: Convert to USB_ARCH_HAS_OHCI/EHCI selects.
  usb: ehci-sh: Add missing ehci helpers.
  usb: ehci-sh: Fix up fault in shutdown path.
  sh: Add EHCI support for SH7786.
  usb: ehci-hcd: Add support for SuperH EHCI.
  usb: ohci-sh: Set IRQ as shared.
2010-12-03 12:12:29 -08:00
Greg Kroah-Hartman 367576b813 Merge branch 'for-next' of git://gitorious.org/usb/usb into usb-next
* 'for-next' of git://gitorious.org/usb/usb:
  usb: musb: gadget: prevent a NULL pointer dereference
  usb: musb: add names for IRQs in structure resource
  usb: musb: remove board_data parameter from musb_platform_init()
2010-12-03 12:10:29 -08:00
Richard Röjfors df4fedeaa6 usb: g_audio: Fix crash at driver removal
If g_audio fails to open the sound control device, it crashes at removal:

Insertion:
[ 4143.836536] g_audio gadget: unable to open sound control device file: /dev/snd/controlC0
[ 4143.836543] g_audio gadget: we need at least one control device
[ 4143.836551] g_audio gadget: Linux USB Audio Gadget, version: Dec 18, 2008
[ 4143.836558] g_audio gadget: g_audio ready

Removal:
[ 4146.802643] BUG: unable to handle kernel paging request at 00023018
[ 4146.802655] IP: [<c10af9f5>] filp_close+0xa/0x5b
[ 4146.802674] *pdpt = 0000000015426001 *pde = 0000000000000000
[ 4146.802684] Oops: 0000 [#1] PREEMPT SMP
[ 4146.802692] last sysfs file: /sys/power/state
[ 4146.802701] Modules linked in: g_audio(-) ioh_udc fuse asix usbnet [last unloaded: g_audio]
[ 4146.802719]
[ 4146.802728] Pid: 1394, comm: rmmod Not tainted 2.6.33.5-26.1-ivi #1 To be filled by O.E.M./To be filled by O.E.M.
[ 4146.802738] EIP: 0060:[<c10af9f5>] EFLAGS: 00010206 CPU: 0
[ 4146.802746] EIP is at filp_close+0xa/0x5b
[ 4146.802753] EAX: 00023000 EBX: 00023000 ECX: 00000046 EDX: df842680
[ 4146.802760] ESI: e071cd4c EDI: df842680 EBP: ddbbbef0 ESP: ddbbbee4
[ 4146.802768]  DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
[ 4146.802776] Process rmmod (pid: 1394, ti=ddbba000 task=dd95a4f0 task.ti=ddbba000)
[ 4146.802782] Stack:
[ 4146.802787]  d540c280 e071cd4c df2bc000 ddbbbefc e071b82c df11e440 ddbbbf04 e071c622
[ 4146.802804] <0> ddbbbf28 e071c47f 00000008 e071cd74 df11e464 df2bc01c df2bc000 e071ce68
[ 4146.802822] <0> 00000880 ddbbbf38 e07fd1b8 e071cef0 00000000 ddbbbf40 e071b9f4 ddbbbf48
[ 4146.802842] Call Trace:
[ 4146.802857]  [<e071b82c>] ? gaudio_cleanup+0x87/0xe0 [g_audio]
[ 4146.802869]  [<e071c622>] ? audio_unbind+0x8/0xc [g_audio]
[ 4146.802881]  [<e071c47f>] ? composite_unbind+0x8d/0xcb [g_audio]
[ 4146.802895]  [<e07fd1b8>] ? usb_gadget_unregister_driver+0x7b/0xc0 [ioh_udc]
[ 4146.802908]  [<e071b9f4>] ? usb_composite_unregister+0x15/0x17 [g_audio]
[ 4146.802920]  [<e071c633>] ? cleanup+0xd/0xf [g_audio]
[ 4146.802932]  [<c105a938>] ? sys_delete_module+0x185/0x1dd
[ 4146.802944]  [<c101c3ea>] ? do_page_fault+0x248/0x276
[ 4146.802956]  [<c10027d0>] ? sysenter_do_call+0x12/0x26
[ 4146.802962] Code: 12 5f 3a 00 8b 43 04 8b 40 0c 0f b3 30 3b 73 44 73 03 89 73 44 89 f8 e8 f1 61 3a 00 5b 5e 5f 5d c3 55 89 e5 57 89 d7 56 53 89 c3 <8b> 40 18 85 c0 75 0f 68 32 15 5e c1 31 f6 e8 52 39 3a 00 5a eb
[ 4146.803058] EIP: [<c10af9f5>] filp_close+0xa/0x5b SS:ESP 0068:ddbbbee4
[ 4146.803071] CR2: 0000000000023018
[ 4146.803112] ---[ end trace 0989a7e023da0434 ]---

This patch makes sure not to assign the_card if gaudio_open_snd_dev fails,
since the parent function will deallocate the card.

Also make sure all filp's in gaudio_open_snd_dev is assigned NULL upon error
and gaudio_close_snd_dev only cleanups when the filp's are non-NULL.

Signed-off-by: Richard Röjfors <richard.rojfors@pelagicore.com>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-12-03 12:05:35 -08:00
Eric Bénard 29bb6afcb0 plat-mxc/ehci.c: fix compile breakage
commits 2eb42d5c28 and
9e1dde3387 renamed some defines
but didn't fix all the places where these defines are used
leading to a compile failure for USB on i.MX31, 35 and 27.

Signed-off-by: Eric Bénard <eric@eukrea.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-12-03 11:05:09 +01:00
Felipe Balbi 0607f86229 usb: musb: gadget: prevent a NULL pointer dereference
Case we can't allocate struct musb_request,
prevent a NULL pointer dereference by returning
early.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-01 11:03:54 +02:00
Hema Kalliguddi fcf173e451 usb: musb: add names for IRQs in structure resource
Soon resource data will get automatically
populated from a set of autogenerated data
from TI's hardware database for the OMAP
platform.

Such database, might not have resources at
the expected order by the current drivers.

While we could hack in some exceptions to
that tool to generate resources in a specific
order, it seems less fragile to use the
resource name instead. That way, no matter
what order the resources are generated, the
driver still work.

Modified the OMAP, Blackfin and Davinci
architecture files to add the name of the IRQs
in the resource structures and musb driver to
use the platform_get_irq_byname() api to get
the device and dma irq numbers instead of using
the index.

Cc: Tony Lindgren <tony@atomide.com>
Acked-by: Kevin Hilman <khilman@deeprootsystems.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Hema HK <hemahk@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-01 10:56:33 +02:00
Hema Kalliguddi ea65df57c2 usb: musb: remove board_data parameter from musb_platform_init()
Removed the board_data parameter being
passed to musb_platform_init function
as board_data can be extracted from
device structure which is already member
of musb structure.

Acked-by: Kevin Hilman <khilman@deeprootsystems.com>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Hema HK <hemahk@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-12-01 10:56:33 +02:00
Paul Mundt e3e9887ee9 sh: Convert to USB_ARCH_HAS_OHCI/EHCI selects.
This switches over to selects for the subtypes to enable OHCI/EHCI
support explicitly rather than littering the usb Kconfig with subtype
dependencies.

Suggested-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-12-01 15:58:58 +09:00
Greg Kroah-Hartman 0ae86689d8 Merge branch 'omap4-ehci-for-greg' of git://dev.omapzoom.org/pub/scm/anand/linux-omap-usb into usb-next
* 'omap4-ehci-for-greg' of git://dev.omapzoom.org/pub/scm/anand/linux-omap-usb:
  omap4: 4430sdp: enable the ehci port on 4430SDP
  arm: omap4: select USB_ARCH_HAS_EHCI
  arm: omap4: usb: add platform init code for EHCI
  arm: omap4: add USBHOST and related base addresses
  usb: ehci-omap: Add OMAP4 support
  omap: usb: ehci: introduce HSIC mode
  usb: ehci-omap: add helpers for checking port mode
  usb: ehci-omap: use clkdev aliases for functional clocks
  omap: clock: add clkdev aliases for EHCI clocks
  usb: ehci: introduce CONFIG_USB_EHCI_HCD_OMAP
  usb: ehci-omap: don't hard-code TLL channel count
  usb: ehci-omap: update clock names to be more generic
2010-11-30 17:04:51 -08:00
cxie4 e7cddda48c USB: pxa: Add USB client support for Marvell PXA9xx/PXA168 chips
This patch add USB client support Marvell PXA9xx/PXA168 chips. The USB
controller in PXA9xx/PXA168 is a High-Speed OTG controller. The available
endpoints is different between PXA9xx and PXA168.

NOTE:
It is the first version of Marvell PXA9xx/PXA168 USB controller driver.
The support for OTG mode will be added in later patch.
PXA9xx and PXA168 has integrated UTMI PHY in the chips. The initialization
for the PHY is a little different between PXA9xx and PXA168.

Signed-off-by: Chao Xie <chao.xie@marvell.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-30 16:51:21 -08:00
Paul Mundt b48d7f50e6 usb: Add in missing EHCI helpers.
Several of the EHCI glue drivers either predate or were merged in the
same timeframe as API changes at the USB core level, resulting in some
missing endpoint_reset and clear_tt_buffer_complete callbacks.

This fixes up all of ehci-atmel, mxc, w90x900, and xilinx-of to tie in
the new helpers, which brings them in line with everyone else.

Reported-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-30 16:51:21 -08:00
Luo Andy 7fc56f0d99 usb: gadget: langwell_udc: add usb test mode support
This patch adds test mode support for Langwell gadget driver.

Signed-off-by: Henry Yuan <hang.yuan@intel.com>
Signed-off-by: Andy Luo <yifei.luo@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-30 16:50:36 -08:00
Hao Wu b23f2f9413 usb: composite gadget: set vbus_draw current limitation during suspend
This patch modifies the composite gadget to set vbus_draw current limitation
during suspend state. This current limitation in suspend state shouldn't be
more than 2.5mA

Signed-off-by: Hao Wu <hao.wu@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-30 16:46:34 -08:00
Jarkko Nikula c3d6450e74 usb: otg: twl4030-usb: Fix unbalanced regulator disables at module removal
Function twl4030_usb_remove can cause unbalanced regulator disables in
twl4030_phy_power if the cable is not connected. Regulator enable/disable
calls are in balance only if the twl4030_phy_resume was called prior the
twl4030_usb_remove, that is, the cable was connected.

Fix this by checking the 'asleep' variable in twl4030_usb_remove since that
variable is used to check state in other functions.

Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Cc: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-30 16:46:33 -08:00
Dan Williams 02303f7337 usb-wwan: implement TIOCGSERIAL and TIOCSSERIAL to avoid blocking close(2)
Some devices (ex ZTE 2726) simply don't respond at all when data is sent
to some of their USB interfaces.  The data gets stuck in the TTYs queue
and sits there until close(2), which them blocks because closing_wait
defaults to 30 seconds (even though the fd is O_NONBLOCK).  This is
rarely desired.  Implement the standard mechanism to adjust closing_wait
and let applications handle it how they want to.

Signed-off-by: Dan Williams <dcbw@redhat.com>
2010-11-30 16:44:57 -08:00
Jesper Juhl 73f35c60d5 USB: Remove unnecessary casts of void ptr returning alloc function return values
Hi,

The [vk][cmz]alloc(_node) family of functions return void pointers which
it's completely unnecessary/pointless to cast to other pointer types since
that happens implicitly.

This patch removes such casts from drivers/usb/

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
2010-11-30 16:44:57 -08:00
Pete Zaitcev b17ea167c5 usbmon: correct length for isochronous
Usually the usbmon returns the amount of data specified in
urb->transfer_buffer_length for output submissions and urb->actual_length
for input callbacks. However, for Isochronous input transfers, this is
not enough, since the returned data buffer may contain "holes".

One easy way to fix this is to use urb->transfer_buffer_length,
but this often transfers a whole lot of unused data, so we find
how much was actually used instead.

Original patch by Márton Németh. See also kernel bug 22182.

Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Márton Németh <nm127@freemail.hu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-30 16:44:54 -08:00
Greg Kroah-Hartman b7a5100bc2 Merge branch 'for-greg' of git://gitorious.org/usb/usb into work 2010-11-30 15:52:04 -08:00
Greg Kroah-Hartman 8244272341 Merge branch 'for-usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sarah/xhci into work 2010-11-30 15:38:41 -08:00
Anand Gadiyar 4792a15bf0 usb: ehci-omap: Add OMAP4 support
Update the ehci-omap glue layer to support the controller in the
OMAP4. Major differences from OMAP3 is that the OMAP4 has per-port
clocking, and supports ULPI output clocking mode. The old input
clocking mode is not supported.

Also, there are only 2 externally available ports as against 3
in the OMAP3. The third port is internally tied off and should
not be used.

Signed-off-by: Keshava Munegowda <keshava_mgowda@ti.com>
Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
2010-12-01 02:35:49 +05:30
Anand Gadiyar a42ccdc14d usb: ehci-omap: add helpers for checking port mode
Introduce helper functions to test port mode. These checks are
performed in several places in the driver, and these helpers
improve readability.

Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
2010-12-01 02:34:53 +05:30
Anand Gadiyar c5dff5545c usb: ehci-omap: use clkdev aliases for functional clocks
Use the recently updated aliases to get functional clocks needed by
the driver. This allows the driver to acquire OMAP4-specific clocks
without having to use different clock names for OMAP3 and OMAP4.

Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
2010-12-01 02:34:39 +05:30
Keshava Munegowda 7f124f4b35 usb: ehci: introduce CONFIG_USB_EHCI_HCD_OMAP
Introduce the CONFIG_USB_EHCI_HCD_OMAP option to select
EHCI support on OMAP3 and later chips. This scales better
than having a long line of dependencies for each new OMAP
with EHCI support.

Signed-off-by: Keshava Munegowda <keshava_mgowda@ti.com>
Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
2010-12-01 02:32:10 +05:30
Keshava Munegowda c072604115 usb: ehci-omap: don't hard-code TLL channel count
Make the TLL channel count a parameter instead of a hardcoded
value. This allows us to be flexible with future OMAP revisions
which could have a different number of channels.

Signed-off-by: Keshava Munegowda <keshava_mgowda@ti.com>
Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
2010-12-01 02:32:01 +05:30
Keshava Munegowda 6dba39e278 usb: ehci-omap: update clock names to be more generic
Rename usbhost2_120m_fck to usbhost_hs_fck and usbhost1_48m_fck
to usbhost_fs_fck, to better reflect the clocks' functionalities.

In OMAP4, the frequencies for the corresponding clocks are not
necessarily the same as with OMAP3, however the functionalities
are.

Signed-off-by: Keshava Munegowda <keshava_mgowda@ti.com>
Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
2010-12-01 02:31:53 +05:30
Alan Stern abf03184a3 USB: fix autosuspend bug in usb-serial
This patch (as1437) fixes a bug in the usb-serial autosuspend
handling.  Since the usb-serial core now has autosuspend support, it
must set the .supports_autosuspend member in every serial driver it
registers.  Otherwise the usb_autopm_get_interface() call won't work.

This fixes Bugzilla #23012.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: stable@kernel.org
Reported-by: Kevin Smith <thirdwiggin@gmail.com>
Reported-and-tested-by: Simon Gerber <gesimu@gmail.com>
Reported-and-tested-by: Matteo Croce <matteo@openwrt.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-30 10:28:07 -08:00
Brian J. Tarricone a85b4e7f44 USB: ehci: disable LPM and PPCD for nVidia MCP89 chips
Tested on MacBookAir3,1.  Without this, we get EPROTO errors when
fetching device config descriptors.

Signed-off-by: Brian Tarricone <brian@tarricone.org>
Reported-by: Benoit Gschwind <gschwind@gnu-log.net>
Tested-by: Edgar Hucek <gimli@dark-green.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-30 10:27:36 -08:00
Jacques Viviers 6fdbad8021 USB: serial: ftdi_sio: Vardaan USB RS422/485 converter PID added
Add the PID for the Vardaan Enterprises VEUSB422R3 USB to RS422/485
converter. It uses the same chip as the FTDI_8U232AM_PID 0x6001.

This should also work with the stable branches for:
2.6.31, 2.6.32, 2.6.33, 2.6.34, 2.6.35, 2.6.36

Signed-off-by: Jacques Viviers <jacques.viviers@gmail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-30 10:26:30 -08:00
Tomoki Sekiyama 27f485b5b2 USB: yurex: add .llseek fop to file_operations
Default llseek operation behavior was changed by the patch named
"vfs: make no_llseek the default" after the yurex driver had been merged,
so the llseek to yurex is now ignored.

This patch add llseek fop with default_llseek to yurex driver
to catch up to the change.

Signed-off-by: Tomoki Sekiyama <tomoki.sekiyama@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-30 10:24:50 -08:00
Michael Stuermer 28942bb6a9 USB: ftdi_sio: Add ID for RT Systems USB-29B radio cable
Another variant of the RT Systems programming cable for ham radios.

Signed-off-by: Michael Stuermer <ms@mallorn.de>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-30 10:23:07 -08:00
Mac Lin 760efe6910 USB: cns3xxx: Add EHCI and OHCI bus glue for cns3xxx SOCs
The CNS3XXX SOC has include USB EHCI and OHCI compatible controllers.
This patch adds the necessary glue logic to allow ehci-hcd and ohci-hcd
drivers to work on CNS3XXX

The EHCI and OHCI controllers share a common clock control and reset
bit, therefore additional check for the timming of enabling and disabling
is required. The USB bit of PLL Power Down Control is also shared by OTG,
24MHzUART clock, Crypto clock, PCIe reference clock, and Clock Scale
Generator. Therefore we only ensure it is enabled, while not disabling it.

Signed-off-by: Mac Lin <mkl0301@gmail.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
2010-11-29 18:32:47 +03:00
Jens Axboe f30195c502 Merge branch 'cleanup-bd_claim' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/misc into for-2.6.38/core 2010-11-27 19:49:18 +01:00
Paul Mundt 6e9d447606 usb: ehci-sh: Add missing ehci helpers.
The ehci-sh driver was missing tie-ins for endpoint_reset and
clear_tt_buffer_complete, add them in.

Reported-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-11-26 16:48:31 +09:00
Paul Mundt c1e0774d74 usb: ehci-sh: Fix up fault in shutdown path.
We can't use the generic usb_hcd_platform_shutdown helper on account of
the fact we don't stash the hcd pointer in the driver data, so we provide
our own shutdown handler.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-11-26 16:43:38 +09:00
Linus Torvalds e945716538 Merge branch 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
* 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6:
  USB: EHCI: fix obscure race in ehci_endpoint_disable
  USB: gadget: AT91: fix typo in atmel_usba_udc driver
  USB: isp1362-hcd - fix section mismatch warning
  USB: EHCI: AMD periodic frame list table quirk
  USB: OTG: langwell_otg: fix up some sysfs attribute permissions
  USB: misc: usbsevseg: fix up some sysfs attribute permissions
  USB: misc: usbled: fix up some sysfs attribute permissions
  USB: misc: trancevibrator: fix up a sysfs attribute permission
  USB: misc: cypress_cy7c63: fix up some sysfs attribute permissions
  USB: storage: sierra_ms: fix sysfs file attribute
  USB: ehci: fix debugfs 'lpm' permissions
  USB: atm: ueagle-atm: fix up some permissions on the sysfs files
  xhci: Fix command ring replay after resume.
  xHCI: fix wMaxPacketSize mask
  xHCI: release spinlock when setup interrupt
  xhci: Remove excessive printks with shared IRQs.
2010-11-24 08:21:43 +09:00
Anand Gadiyar 07a8cdd2bb usb: musb: do not use dma for control transfers
The Inventra DMA engine used with the MUSB controller in many
SoCs cannot use DMA for control transfers on EP0, but can use
DMA for all other transfers.

The USB core maps urbs for DMA if hcd->self.uses_dma is true.
(hcd->self.uses_dma is true for MUSB as well).

Split the uses_dma flag into two - one that says if the
controller needs to use PIO for control transfers, and
another which says if the controller uses DMA (for all
other transfers).

Also, populate this flag for all MUSB by default.

(Tested on OMAP3 and OMAP4 boards, with EHCI and MUSB HCDs
simultaneously in use).

Signed-off-by: Maulik Mankad <x0082077@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
Cc: Oliver Neukum <oliver@neukum.org>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Praveena NADAHALLY <praveen.nadahally@stericsson.com>
Cc: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-11-22 12:55:02 +02:00
Ajay Kumar Gupta bb324b0816 usb: musb: gadget: fix compilation warning
Fixes below compilation warning when musb driver is compiled for
PIO mode:

drivers/usb/musb/musb_gadget.c: In function 'musb_g_rx':
drivers/usb/musb/musb_gadget.c:840:
		warning: label 'exit' defined but not used

Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-11-22 12:42:09 +02:00
Ming Lei e75df37165 usb: musb: clear RXCSR_AUTOCLEAR before PIO read
If RXCSR_AUTOCLEAR flag is not cleard before PIO reading, one packet
may be recieved by musb fifo, but no chance to notify
software, so cause packet loss, follows the detailed process:

	- PIO read one packet
	- musb fifo auto clear the MUSB_RXCSR_RXPKTRDY
	- musb continue to recieve the next packet, and MUSB_RXCSR_RXPKTRDY
	is set
	- software clear the MUSB_RXCSR_RXPKTRDY, so there is no chance for
	musb to notify software that the 2nd recieved packet.

The patch does fix the g_ether issue below:

	- use fifo_mode 3 to enable double buffer
	- 'ping -s 1024 IP_OF_BEAGLE_XM'
	- one usb packet of 512 byte is lost, so ping failed,
	which can be observed by wireshark

note:
	Beagle xm takes musb rtl1.8 and may fallback to pio mode
	for unaligned buffer.

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-11-22 12:36:49 +02:00
Hema Kalliguddi 92d2711f5d usb: musb: unmap dma buffer when switching to PIO
Buffer is mapped to dma when dma channel is
allocated. If, for some reason, dma channel
programming fails, musb code will fallback
to PIO mode to transfer that request. In
that case, we need to unmap the buffer
back to CPU.

MUSB RTL1.8 and above cannot handle buffers
which are not 32bit aligned. That happens to
every request sent by g_ether gadget
driver. Since the buffer sent was unaligned,
we need to fallback to PIO.

Because of that, g_ether was failing due
to missing buffer unmapping.

With this patch and [1] g_ether works fine
with all MUSB revisions.

Verified with OMAP3630 board, which has
MUSB RTL1.8 using g_ether and g_zero.

[1] http://www.spinics.net/lists/linux-usb/msg38400.html

Signed-off-by: Hema HK <hemahk@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-11-22 12:36:48 +02:00
Sarah Sharp 6dd0a3a7e0 xhci: Don't let the USB core disable SuperSpeed ports.
Disabling SuperSpeed ports is a Very Bad Thing (TM).  It disables
SuperSpeed terminations, which means that devices will never connect at
SuperSpeed on that port.  For USB 2.0/1.1 ports, disabling the port meant
that the USB core could always get a connect status change later.  That's
not true with USB 3.0 ports.

Do not let the USB core disable SuperSpeed ports.  We can't rely on the
device speed in the port status registers, since that isn't valid until
there's a USB device connected to the port.  Instead, we use the port
speed array that's created from the Extended Capabilities registers.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Tested-by: Don Zickus <dzickus@redhat.com>
Cc: stable@kernel.org
2010-11-19 16:23:31 -08:00
Sarah Sharp da6699ce4a xhci: Setup array of USB 2.0 and USB 3.0 ports.
An xHCI host controller contains USB 2.0 and USB 3.0 ports, which can
occur in any order in the PORTSC registers.  We cannot read the port speed
bits in the PORTSC registers at init time to determine the port speed,
since those bits are only valid when a USB device is plugged into the
port.

Instead, we read the "Supported Protocol Capability" registers in the xHC
Extended Capabilities space.  Those describe the protocol, port offset in
the PORTSC registers, and port count.  We use those registers to create
two arrays of pointers to the PORTSC registers, one for USB 3.0 ports, and
another for USB 2.0 ports.  A third array keeps track of the port protocol
major revision, and is indexed with the internal xHCI port number.

This commit is a bit big, but it should be queued for stable because the "Don't
let the USB core disable SuperSpeed ports" patch depends on it.  There is no
other way to determine which ports are SuperSpeed ports without this patch.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Tested-by: Don Zickus <dzickus@redhat.com>
Cc: stable@kernel.org
2010-11-19 16:23:18 -08:00
Paul Zimmerman 7a3783efff xhci: Fix reset-device and configure-endpoint commands
We have been having problems with the USB-IF Gold Tree tests when plugging
and unplugging devices from the tree. I have seen that the reset-device
and configure-endpoint commands, which are invoked from
xhci_discover_or_reset_device() and xhci_configure_endpoint(), will sometimes
time out.

After much debugging, I determined that the commands themselves do not actually
time out, but rather their completion events do not get delivered to the right
place.

This happens when the command ring has just wrapped around, and it's enqueue
pointer is left pointing to the link TRB. xhci_discover_or_reset_device() and
xhci_configure_endpoint() use the enqueue pointer directly as their command
TRB pointer, without checking whether it's pointing to the link TRB.

When the completion event arrives, if the command TRB is pointing to the link
TRB, the check against the command ring dequeue pointer in
handle_cmd_in_cmd_wait_list() fails, so the completion inside the command does
not get signaled.

The patch below fixes the timeout problem for me.

This should be queued for the 2.6.35 and 2.6.36 stable trees.

Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@kernel.org
2010-11-19 16:23:07 -08:00
Dirk Brandewie 4f68384369 USB: ce4100: Add support for CE4100 EHCI IP block to EHCI driver
This patch adds support for the EHCI IP block present on the Intel
CE4100.

Signed-off-by: Dirk Brandewie <dirk.brandewie@gmail.com>
CC: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-17 13:37:00 -08:00
Michal Nazarewicz aa02f172ac usb: gadget: g_fs: Fix compilation warning
This commit fixes warning in f_fs.c introduced by "usb:
gadget: f_fs: remove custom printk() wrappers":

In file included from drivers/usb/gadget/g_ffs.c:64:
drivers/usb/gadget/f_fs.c:30:1: warning: "pr_fmt" redefined

Signed-off-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-17 13:24:46 -08:00
Arnd Bergmann 451a3c24b0 BKL: remove extraneous #include <smp_lock.h>
The big kernel lock has been removed from all these files at some point,
leaving only the #include.

Remove this too as a cleanup.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-11-17 08:59:32 -08:00
Alan Stern c08512c761 USB: improve uses of usb_mark_last_busy
This patch (as1434) cleans up the uses of usb_mark_last_busy() in
usbcore.  The function will be called when a device is resumed and
whenever a usage count is decremented.  A call that was missing from
the hub driver is added: A hub is used whenever one of its ports gets
suspended (this prevents hubs from suspending immediately after their
last child).

In addition, the call to disable autosuspend support for new devices
by default is moved from usb_detect_quirks() (where it doesn't really
belong) into usb_new_device() along with all the other runtime-PM
initializations.  Finally, an extra pm_runtime_get_noresume() is added
to prevent new devices from autosuspending while they are being
registered.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-16 14:04:22 -08:00
Alan Stern fcc4a01eb8 USB: use the runtime-PM autosuspend implementation
This patch (as1428) converts USB over to the new runtime-PM core
autosuspend framework.  One slightly awkward aspect of the conversion
is that USB devices will now have two suspend-delay attributes: the
old power/autosuspend file and the new power/autosuspend_delay_ms
file.  One expresses the delay time in seconds and the other in
milliseconds, but otherwise they do the same thing.  The old attribute
can be deprecated and then removed eventually.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-16 14:03:41 -08:00
Ming Lei 6ddf27cdbc USB: make usb_mark_last_busy use pm_runtime_mark_last_busy
Since the runtime-PM core already defines a .last_busy field in
device.power, this patch uses it to replace the .last_busy field
defined in usb_device and uses pm_runtime_mark_last_busy to implement
usb_mark_last_busy.

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-16 14:02:54 -08:00
Alan Stern 045cac6b3b USB: use sysfs_merge_group for power attributes
This patch (as1426) makes use of the new sysfs_merge_group() and
sysfs_unmerge_group() routines to simplify the handling of power
attributes for USB devices.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-16 14:02:00 -08:00
Ming Lei 63defa73c8 USB: use the no_callbacks flag for interfaces
Call pm_runtime_no_callbacks to set no_callbacks flag for USB
interfaces.  Since interfaces cannot be power-managed separately from
their parent devices, there's no reason for the runtime-PM core to
invoke any callbacks for them.

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-16 14:02:00 -08:00
Toshiharu Okada f646cf9452 USB device driver of Topcliff PCH
This patch adds the USB device driver of EG20T(Topcliff) PCH.

EG20T PCH is the platform controller hub that is going to be used in
Intel's upcoming general embedded platform. All IO peripherals in
EG20T PCH are actually devices sitting on AMBA bus.
EG20T PCH has USB device I/F. Using this I/F, it is able to access system
devices connected to USB device.

Signed-off-by: Toshiharu Okada <toshiharu-linux@dsn.okisemi.com>
Acked-by: Michał Nazarewicz <m.nazarewicz@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-16 13:57:25 -08:00
Michal Nazarewicz d8df0b611c usb: gadget: f_fs: remove custom printk() wrappers
This commit removes custom printk() wrappers from the f_fs.c
file.  They served little purpose above what pr_*() family of
macros provides.  Only FVDBG() has been left but renamed to
pr_vdebug() to match other uses.

Signed-off-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-16 13:55:19 -08:00
Michal Nazarewicz 5ab54cf7ac usb: gadget: FunctionFS: fix typos and coding style
This commit changes FunctionFS as to make it more compliant
with coding style as well as fixes several typos.

Signed-off-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-16 13:54:46 -08:00
Joe Perches cc7e6056f4 drivers/usb/gadget: Remove unnecessary semicolons
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-16 13:54:18 -08:00
Joe Perches ce7eb32fc2 drivers/usb/host/uhci-hcd.c: Remove unnecessary casts of pci_get_drvdata
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-16 13:54:18 -08:00
Deepak Sikri c8c38de9d8 USB host: Adding USB ehci & ohci support for spear platform
This patch adds support for ehci and ohci controller in the SPEAr platform.

Changes since V2:
added clear_tt_buffer_complete in ehci_spear_hc_driver

Signed-off-by: Deepak Sikri <deepak.sikri@st.com>
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-16 13:53:29 -08:00
Alan Stern 02e2c51ba3 USB: EHCI: fix obscure race in ehci_endpoint_disable
This patch (as1435) fixes an obscure and unlikely race in ehci-hcd.
When an async URB is unlinked, the corresponding QH is removed from
the async list.  If the QH's endpoint is then disabled while the URB
is being given back, ehci_endpoint_disable() won't find the QH on the
async list, causing it to believe that the QH has been lost.  This
will lead to a memory leak at best and quite possibly to an oops.

The solution is to trust usbcore not to lose track of endpoints.  If
the QH isn't on the async list then it doesn't need to be taken off
the list, but the driver should still wait for the QH to become IDLE
before disabling it.

In theory this fixes Bugzilla #20182.  In fact the race is so rare
that it's not possible to tell whether the bug is still present.
However, adding delays and making other changes to force the race
seems to show that the patch works.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
CC: David Brownell <david-b@pacbell.net>
CC: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-16 13:36:41 -08:00
Josh Wu b488095186 USB: gadget: AT91: fix typo in atmel_usba_udc driver
compile fix for bug introduced by 969affff54)

Signed-off-by: Josh Wu <josh.wu@atmel.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-16 13:36:41 -08:00
Axel Lin f52022b53b USB: isp1362-hcd - fix section mismatch warning
Fix section mismatch warning by using "__devinit" annotation for isp1362_probe.

WARNING: drivers/usb/host/isp1362-hcd.o(.data+0x0): Section mismatch in reference from the variable isp1362_driver to the function .init.text:isp1362_probe()
The variable isp1362_driver references
the function __init isp1362_probe()
If the reference is valid then annotate the
variable with __init* or __refdata (see linux/init.h) or name the variable:
*_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console,

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-16 13:36:41 -08:00
Andiry Xu 3d091a6f70 USB: EHCI: AMD periodic frame list table quirk
On AMD SB700/SB800/Hudson-2/3 platforms, USB EHCI controller may read/write
to memory space not allocated to USB controller if there is longer than
normal latency on DMA read encountered. In this condition the exposure will
be encountered only if the driver has following format of Periodic Frame
List link pointer structure:

For any idle periodic schedule, the Frame List link pointers that have the
T-bit set to 1 intending to terminate the use of frame list link pointer
as a physical memory pointer.

Idle periodic schedule Frame List Link pointer shoule be in the following
format to avoid the issue:

Frame list link pointer should be always contains a valid pointer to a
inactive QHead with T-bit set to 0.

Signed-off-by: Andiry Xu <andiry.xu@amd.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-16 13:36:40 -08:00
Jeff Garzik f281233d3e SCSI host lock push-down
Move the mid-layer's ->queuecommand() invocation from being locked
with the host lock to being unlocked to facilitate speeding up the
critical path for drivers who don't need this lock taken anyway.

The patch below presents a simple SCSI host lock push-down as an
equivalent transformation.  No locking or other behavior should change
with this patch.  All existing bugs and locking orders are preserved.

Additionally, add one parameter to queuecommand,
	struct Scsi_Host *
and remove one parameter from queuecommand,
	void (*done)(struct scsi_cmnd *)

Scsi_Host* is a convenient pointer that most host drivers need anyway,
and 'done' is redundant to struct scsi_cmnd->scsi_done.

Minimal code disturbance was attempted with this change.  Most drivers
needed only two one-line modifications for their host lock push-down.

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Acked-by: James Bottomley <James.Bottomley@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-11-16 13:33:23 -08:00
Greg Kroah-Hartman 491acf0032 Staging: Merge 2.6.37-rc2 into staging-next
This was necessary in order  to resolve some conflicts that happened
between -rc1 and -rc2 with the following files:
	drivers/staging/bcm/Bcmchar.c
	drivers/staging/intel_sst/intel_sst_app_interface.c

All should be resolved now.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-16 10:44:50 -08:00
Greg Kroah-Hartman 3d96587514 USB: OTG: langwell_otg: fix up some sysfs attribute permissions
They should not be writable by any user.

Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Hao Wu <hao.wu@intel.com>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Alek Du <alek.du@intel.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-15 14:04:15 -08:00
Greg Kroah-Hartman e24d7ace4e USB: misc: usbsevseg: fix up some sysfs attribute permissions
They should not be writable by any user.

Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Harrison Metzger <harrisonmetz@gmail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-15 14:04:15 -08:00
Greg Kroah-Hartman 48f115470e USB: misc: usbled: fix up some sysfs attribute permissions
They should not be writable by any user.

Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-15 14:04:15 -08:00
Greg Kroah-Hartman d489a4b392 USB: misc: trancevibrator: fix up a sysfs attribute permission
It should not be writable by any user.

Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Sam Hocevar <sam@zoy.org>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-15 14:04:15 -08:00
Greg Kroah-Hartman c990600d34 USB: misc: cypress_cy7c63: fix up some sysfs attribute permissions
They should not be writable by any user.

Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oliver Bock <bock@tfh-berlin.de>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-15 14:04:14 -08:00
Greg Kroah-Hartman d9624e75f6 USB: storage: sierra_ms: fix sysfs file attribute
A non-writable sysfs file shouldn't have writable attributes.

Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Kevin Lloyd <klloyd@sierrawireless.com>
Cc: Matthew Dharm <mdharm-usb@one-eyed-alien.net>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-15 14:04:14 -08:00
Greg Kroah-Hartman 723b991a62 USB: ehci: fix debugfs 'lpm' permissions
The permissions for the lpm debugfs file is incorrect, this fixes it.

Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Alek Du <alek.du@intel.com>
Cc: Jacob Pan <jacob.jun.pan@intel.com>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-15 14:04:14 -08:00
Greg Kroah-Hartman e502ac5e1e USB: atm: ueagle-atm: fix up some permissions on the sysfs files
Some of the sysfs files had the incorrect permissions.  Some didn't make
sense at all (writable for a file that you could not write to?)

Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Matthieu Castet <castet.matthieu@free.fr>
Cc: Stanislaw Gruszka <stf_xl@wp.pl>
Cc: Damien Bergamini <damien.bergamini@free.fr>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-15 14:04:13 -08:00
Greg Kroah-Hartman 3cf7f0c07d Merge branch 'for-usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sarah/xhci into usb-linus
* 'for-usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sarah/xhci:
  xhci: Fix command ring replay after resume.
  xHCI: fix wMaxPacketSize mask
  xHCI: release spinlock when setup interrupt
  xhci: Remove excessive printks with shared IRQs.
2010-11-15 14:00:32 -08:00
Sarah Sharp 898213200c xhci: Fix command ring replay after resume.
Andiry's xHCI bus suspend patch introduced the possibly of a host
controller replaying old commands on the command ring, if the host
successfully restores the registers after a resume.

After a resume from suspend, the xHCI driver must restore the registers,
including the command ring pointer.  I had suggested that Andiry set the
command ring pointer to the current command ring dequeue pointer, so that
the driver wouldn't have to zero the command ring.

Unfortunately, setting the command ring pointer to the current dequeue
pointer won't work because the register assumes the pointer is 64-byte
aligned, and TRBs on the command ring are 16-byte aligned.  The lower
seven bits will always be masked off, leading to the written pointer being
up to 3 TRBs behind the intended pointer.

Here's a log excerpt.  On init, the xHCI driver places a vendor-specific
command on the command ring:

[  215.750958] xhci_hcd 0000:01:00.0: Vendor specific event TRB type = 48
[  215.750960] xhci_hcd 0000:01:00.0: NEC firmware version 30.25
[  215.750962] xhci_hcd 0000:01:00.0: Command ring deq = 0x3781e010 (DMA)

When we resume, the command ring dequeue pointer to be written should have
been 0x3781e010.  Instead, it's 0x3781e000:

[  235.557846] xhci_hcd 0000:01:00.0: // Setting command ring address to 0x3781e001
[  235.557848] xhci_hcd 0000:01:00.0: `MEM_WRITE_DWORD(3'b000, 64'hffffc900100bc038, 64'h3781e001, 4'hf);
[  235.557850] xhci_hcd 0000:01:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc900100bc020, 32'h204, 4'hf);
[  235.557866] usb usb9: root hub lost power or was reset

(I can't see the results of this bug because the xHCI restore always fails
on this box, and the xHCI driver re-allocates everything.)

The fix is to zero the command ring and put the software and hardware
enqueue and dequeue pointer back to the beginning of the ring.  We do this
before the system suspends, to be paranoid and prevent the BIOS from
starting the host without clearing the command ring pointer, which might
cause the host to muck with stale memory.  (The pointer isn't required to
be in the suspend power well, but it could be.)  The command ring pointer
is set again after the host resumes.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Tested-by: Andiry Xu <andiry.xu@amd.com>
2010-11-15 13:34:02 -08:00
Tejun Heo 75f1dc0d07 block: check bdev_read_only() from blkdev_get()
bdev read-only status can be queried using bdev_read_only() and may
change while the device is being opened.  Enforce it by checking it
from blkdev_get() after open succeeds.

This makes bdev_read_only() check in open_bdev_exclusive() and
fsg_lun_open() unnecessary.  Drop them.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: linux-usb@vger.kernel.org
2010-11-13 11:55:17 +01:00
Linus Torvalds 00dad7fa99 Merge branch 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
* 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (28 commits)
  Revert "USB: xhci: Use GFP_ATOMIC under spin_lock"
  USB: ohci-jz4740: Fix spelling in MODULE_ALIAS
  UWB: Return UWB_RSV_ALLOC_NOT_FOUND rather than crashing on NULL dereference if kzalloc fails
  usb: core: fix information leak to userland
  usb: misc: iowarrior: fix information leak to userland
  usb: misc: sisusbvga: fix information leak to userland
  usb: subtle increased memory usage in u_serial
  USB: option: fix when the driver is loaded incorrectly for some Huawei devices.
  USB: xhci: Use GFP_ATOMIC under spin_lock
  usb: gadget: goku_udc: add registered flag bit, fixing build
  USB: ehci/mxc: compile fix
  USB: Fix FSL USB driver on non Open Firmware systems
  USB: the development of the usb tree is now in git
  usb: musb: fail unaligned DMA transfers on v1.8 and above
  USB: ftdi_sio: add device IDs for Milkymist One JTAG/serial
  usb.h: fix ioctl kernel-doc info
  usb: musb: gadget: kill duplicate code in musb_gadget_queue()
  usb: musb: Fix handling of spurious SESSREQ
  usb: musb: fix kernel oops when loading musb_hdrc module for the 2nd time
  USB: musb: blackfin: push clkin value to platform resources
  ...
2010-11-12 17:13:28 -08:00
Andiry Xu dc07c91b9b xHCI: fix wMaxPacketSize mask
USB2.0 spec 9.6.6 says: For all endpoints, bit 10..0 specify the maximum
packet size(in bytes).

So the wMaxPacketSize mask should be 0x7ff rather than 0x3ff.

This patch should be queued for the stable tree.  The bug in
xhci_endpoint_init() was present as far back as 2.6.31, and the bug in
xhci_get_max_esit_payload() was present when the function was introduced
in 2.6.34.

Reported-by: Sander Eikelenboom <linux@eikelenboom.it>
Signed-off-by: Andiry Xu <andiry.xu@amd.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@kernel.org
2010-11-11 10:47:08 -08:00
Andiry Xu 74bb844af8 xHCI: release spinlock when setup interrupt
Jiri Slaby reports spinlock is held while calling kmalloc(GFP_KERNEL)
and request_irq() in xhci_resume().

Release the spinlock when setup interrupt.

Reported-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andiry Xu <andiry.xu@amd.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
2010-11-11 10:36:51 -08:00
Sarah Sharp 241b652f19 xhci: Remove excessive printks with shared IRQs.
If the xHCI host controller shares an interrupt line with another device,
the xHCI driver needs to check if the interrupt was generated by its
hardware.  Unfortunately, the user will see a ton of "Spurious interrupt."
lines if the other hardware interrupts often.  Lawrence found his dmesg
output cluttered with this output when the xHCI host shared an interrupt
with his i915 hardware.

Remove the warning, as sharing an interrupt is a normal thing.

This should be applied to the 2.6.36 stable tree.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Reported-by: Lawrence Rust <lvr@softsystem.co.uk>
Cc: stable@kernel.org
2010-11-11 10:32:32 -08:00
Greg Kroah-Hartman 868719752d Revert "USB: xhci: Use GFP_ATOMIC under spin_lock"
This reverts commit ef821ae70f.

The correct thing to do is to drop the spinlock, not change
the GFP flag here.

Thanks to Sarah for pointing out I shouldn't have taken this patch in
the first place.

Cc: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: David Sterba <dsterba@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-11 09:41:02 -08:00
Stefan Weil 1c0a38038e USB: ohci-jz4740: Fix spelling in MODULE_ALIAS
platfrom -> platform

Cc: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Reviewed-by: Jesper Juhl <jj@chaosbits.net>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-11 07:14:07 -08:00
Vasiliy Kulikov 886ccd4520 usb: core: fix information leak to userland
Structure usbdevfs_connectinfo is copied to userland with padding byted
after "slow" field uninitialized.  It leads to leaking of contents of
kernel stack memory.

Signed-off-by: Vasiliy Kulikov <segooon@gmail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-11 07:14:07 -08:00
Vasiliy Kulikov eca67aaeeb usb: misc: iowarrior: fix information leak to userland
Structure iowarrior_info is copied to userland with padding byted
between "serial" and "revision" fields uninitialized.  It leads to
leaking of contents of kernel stack memory.

Signed-off-by: Vasiliy Kulikov <segooon@gmail.com>
Cc: stable <stable@kernel.org>
Acked-by: Kees Cook <kees.cook@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-11 07:14:07 -08:00
Vasiliy Kulikov 5dc92cf1d0 usb: misc: sisusbvga: fix information leak to userland
Structure sisusb_info is copied to userland with "sisusb_reserved" field
uninitialized.  It leads to leaking of contents of kernel stack memory.

Signed-off-by: Vasiliy Kulikov <segooon@gmail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-11 07:14:06 -08:00
Jim Sung 28609d4083 usb: subtle increased memory usage in u_serial
OK, the USB gadget serial driver actually has a couple of problems.  On
gs_open(), it always allocates and queues an additional QUEUE_SIZE (16)
worth of requests, so with a loop like this:

    i=1 ; while echo $i > /dev/ttyGS0 ; do let i++ ; done

eventually we run into OOM (Out of Memory).

Technically, it is not a leak as everything gets freed up when the USB
connection is broken, but not on gs_close().

With a USB device/gadget controller driver that has limited resources
(e.g., Marvell has a this MAX_XDS_FOR_TR_CALLS of 64 for transmit and
receive), so even after 4

    stty -F /dev/ttyGS0

we cannot transmit anymore.  We can still receive (not necessarily
reliably) as now we have 16 * 4 = 64 descriptors/buffers ready, but the
device is otherwise not usable.

Signed-off-by: Jim Sung <jsung@syncadence.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-11 07:03:48 -08:00
ma rui 58c0d9d701 USB: option: fix when the driver is loaded incorrectly for some Huawei devices.
When huawei datacard with PID 0x14AC is insterted into Linux system, the
present kernel will load the "option" driver to all the interfaces. But
actually, some interfaces run as other function and do not need "option"
driver.

In this path, we modify the id_tables, when the PID is 0x14ac ,VID is
0x12d1, Only when the interface's Class is 0xff,Subclass is 0xff, Pro is
0xff, it does need "option" driver.

Signed-off-by: ma rui <m00150988@huawei.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-11 07:01:48 -08:00
David Sterba ef821ae70f USB: xhci: Use GFP_ATOMIC under spin_lock
coccinelle check scripts/coccinelle/locks/call_kern.cocci found that
in drivers/usb/host/xhci.c an allocation with GFP_KERNEL is done
with locks held:

xhci_resume
  spin_lock_irq(xhci->lock)
    xhci_setup_msix
      kmalloc(GFP_KERNEL)

Change it to GFP_ATOMIC.

Signed-off-by: David Sterba <dsterba@suse.cz>
CC: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-11 06:59:14 -08:00
Andy Whitcroft 4b4cd731b0 usb: gadget: goku_udc: add registered flag bit, fixing build
The commit below cleaned up error handling, in part by introducing a
registered flag bit.  This however was not added to the device
structure leding to build failures:

  commit 319feaabb6
  Author: Dan Carpenter <error27@gmail.com>
  Date:   Tue Oct 5 18:55:34 2010 +0200

    usb: gadget: goku_udc: Fix error path

Add the missing registered flag bit.

Signed-off-by: Andy Whitcroft <apw@canonical.com>
Acked-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-11 06:57:24 -08:00
Uwe Kleine-König 724c85251f USB: ehci/mxc: compile fix
Commit
	65fd427 (USB: ehci tdi : let's tdi_reset set host mode)

broke the build using ARM's mx51_defconfig:

 	  CC      drivers/usb/host/ehci-hcd.o
 	In file included from drivers/usb/host/ehci-hcd.c:1166:
 	drivers/usb/host/ehci-mxc.c: In function 'ehci_mxc_drv_probe':
 	drivers/usb/host/ehci-mxc.c:192: error: 'ehci' undeclared (first use in this function)
 	drivers/usb/host/ehci-mxc.c:192: error: (Each undeclared identifier is reported only once
 	drivers/usb/host/ehci-mxc.c:192: error: for each function it appears in.)
 	drivers/usb/host/ehci-mxc.c:117: warning: unused variable 'temp'
 	make[3]: *** [drivers/usb/host/ehci-hcd.o] Error 1
 	make[2]: *** [drivers/usb/host/ehci-hcd.o] Error 2
 	make[1]: *** [sub-make] Error 2
 	make: *** [all] Error 2

Fix it together with the warning about the unused variable and use
msleep instead of mdelay as requested by Alan Stern.

Cc: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Tested-by: Nguyen Dinh-R00091 <R00091@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-11 06:56:17 -08:00
Marc Kleine-Budde 018b97d084 USB: Fix FSL USB driver on non Open Firmware systems
Commit 126512e3f2 added support for FSL's USB
controller on powerpc. In this commit the Open Firmware code was selected
and compiled unconditionally.

This breaks on ARM systems from FSL which use the same driver (.i.e. the i.MX
series), because ARM don't have OF support (yet). This patch fixes the problem
by only selecting the OF code on systems with Open Firmware support.

Reported-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Compile-Tested-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-11 06:55:35 -08:00
Alexey Charkov ad78acafee usb: Add support for VIA VT8500 and compatibles in EHCI HCD
VIA and WonderMedia Systems-on-Chip feature a standard EHCI host
controller. This adds necessary glue to use the standard driver
with these systems.

Signed-off-by: Alexey Charkov <alchark@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-11 06:24:54 -08:00
Tatyana Brokhman 8be8a9d3d1 usb: dummy_hcd code simplification
Take handling of the control requests out from dummy_timer to a different
function.

Signed-off-by: Tatyana Brokhman <tlinder@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-11 06:19:35 -08:00
Michal Nazarewicz b73af61e32 USB: gadget: f_mass_storage: code style clean ups
This commit is purely style clean ups.

Signed-off-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-11 05:58:49 -08:00
Michal Nazarewicz 00cb636ed8 USB: gadget: f_mass_storage: remove needless complete()
This commit removes call to the complete() function done in
fsg_unbind() which was never needed there but was a leftover
form file_storage.c.

Signed-off-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-11 05:58:49 -08:00
Michal Nazarewicz fe52f7922c USB: gadget: f_mass_storage: drop START_TRANSFER() macro
This commit drops START_TRANSFER_OR() and START_TRANSFER()
macros with a pair of nice inline functions which are actually
more readable and easier to use.

Signed-off-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-11 05:58:49 -08:00
Michal Nazarewicz 1ccd7923fe USB: gadget: f_mass_storage: use ?: instead of a macro
This commit removes an "OR" macro defined in Mass Storage
Function in favour of a two argument version of "?:" operator
(which is a GCC extension).

Signed-off-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-11 05:58:48 -08:00
Rahul Ruikar 17a936117c USB: gadget: f_mass_storage: put_device() in error recovery
This commit fixes an issue with error recovery after
device_register() fails in Mass Storage Function.  The device
needs to be put to avoid resource leakage.

Signed-off-by: Rahul Ruikar <rahul.ruikar@gmail.com>
[mina86@mina86.com: updated commit message]
Signed-off-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-11 05:58:48 -08:00
Michal Nazarewicz d9385b6352 USB: gadget: file_storage: put_device() in error recovery
This commit fixes some issues with File-backed Storage Gadget
error recovery when registering LUN's devices.

First of all, when device_register() fails the device still
needs to be put.  However, because lun_release() decreases
fsg->ref reference counter the counter must be incremented
beforehand.

Second of all, after any of the device_create_file()s fails,
device_unregister() is called which in turn (indirectly) calls
lun_release() which decrements fsg->ref.  So, again, the
reference counter must be incremented beforehand.

Lastly, if the first or the second device_create_file()
succeeds, the files are never removed.  To fix it,
device_remove_file() needs to be called.  This is done by
simply marking LUN as registered prior to creating files so
that fsg_unbind() can handle removing files.

Signed-off-by: Michal Nazarewicz <mina86@mina86.com>
Reported-by: Rahul Ruikar <rahul.ruikar@gmail.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-11 05:58:48 -08:00
Marek Belisko 78bff3c65d USB: gadget: composite: Typo fix.
Signed-off-by: Marek Belisko <marek.belisko@gmail.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-11 05:57:55 -08:00
Julia Lawall 8b455561d2 USB: gadget: amd5536udc.c: delete double assignment
Delete successive assignments to the same location.

A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
expression i;
@@

*i = ...;
 i = ...;
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-by: Thomas Dahlmann <dahlmann.thomas@arcor.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-11 05:51:15 -08:00
Uwe Kleine-König 06c3859fc9 usb: gadget/imx-udc: remove usage of deprecated symbol USBD_INT0
Since v2.6.34-rc2~66^2~5^2~47 USBD_INT0 is deprecated in favour of
MX1_USBD_INT0.  So use the new name.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-11 05:51:15 -08:00
Bill Pemberton f7043ecbb3 USB: ssu100: remove max_packet_size calculation
The max_packet_size logic is taken from ftdi_sio, but it's not needed
for this device.  This also makes proces_read_urb simpler.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-11 05:51:15 -08:00
Alejandro R. Sedeño 16618c20e1 Staging: beceem: Move ZTE TU25's USB id to the beceem module
Signed-off-by: Alejandro R. Sedeño <asedeno@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-10 16:28:30 -08:00
Christoph Hellwig 02e031cbc8 block: remove REQ_HARDBARRIER
REQ_HARDBARRIER is dead now, so remove the leftovers.  What's left
at this point is:

 - various checks inside the block layer.
 - sanity checks in bio based drivers.
 - now unused bio_empty_barrier helper.
 - Xen blockfront use of BLKIF_OP_WRITE_BARRIER - it's dead for a while,
   but Xen really needs to sort out it's barrier situaton.
 - setting of ordered tags in uas - dead code copied from old scsi
   drivers.
 - scsi different retry for barriers - it's dead and should have been
   removed when flushes were converted to FS requests.
 - blktrace handling of barriers - removed.  Someone who knows blktrace
   better should add support for REQ_FLUSH and REQ_FUA, though.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2010-11-10 14:54:09 +01:00
Greg Kroah-Hartman 5c4dd2242a Merge branch 'musb-v2.6.37-rc2' of git://gitorious.org/usb/usb into work-linus 2010-11-09 09:28:51 -08:00
Anand Gadiyar 6e16edfe62 usb: musb: fail unaligned DMA transfers on v1.8 and above
The Inventra DMA engine in version 1.8 and later of the MUSB
controller cannot handle DMA addresses that are not aligned
to a 4 byte boundary. It ends up ignoring the last two bits
programmed in the DMA_ADDR register. This is a deliberate
design change in the controller and is documented in the
programming guide.

Earlier versions of the controller could handle these
accesses just fine.

Fail dma_channel_program if we see an unaligned address when
using the newer controllers, so that the caller can carry out
the transfer using PIO mode.
(Current callers already have this backup path in place).

Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
Tested-by: Ming Lei <tom.leiming@gmail.com>
Cc: Ajay Kumar Gupta <ajay.gupta@ti.com>
Cc: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-11-09 10:24:35 +02:00
Sebastien Bourdeauducq 7fea0f714f USB: ftdi_sio: add device IDs for Milkymist One JTAG/serial
Add the USB IDs for the Milkymist One FTDI-based JTAG/serial adapter
(http://projects.qi-hardware.com/index.php/p/mmone-jtag-serial-cable/)
to the ftdi_sio driver and disable the first serial channel (used as
JTAG from userspace).

Signed-off-by: Sebastien Bourdeauducq <sebastien@milkymist.org>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-08 12:28:32 -08:00
Sergei Shtylyov 0739702105 usb: musb: gadget: kill duplicate code in musb_gadget_queue()
musb_gadget_queue() checks for '!req->buf' condition twice:
in the second case the code is both duplicated and unreachable
as the first check returns early.

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-11-08 09:29:55 +02:00
Linus Torvalds 4b4a2700f4 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (41 commits)
  inet_diag: Make sure we actually run the same bytecode we audited.
  netlink: Make nlmsg_find_attr take a const nlmsghdr*.
  fib: fib_result_assign() should not change fib refcounts
  netfilter: ip6_tables: fix information leak to userspace
  cls_cgroup: Fix crash on module unload
  memory corruption in X.25 facilities parsing
  net dst: fix percpu_counter list corruption and poison overwritten
  rds: Remove kfreed tcp conn from list
  rds: Lost locking in loop connection freeing
  de2104x: fix panic on load
  atl1 : fix panic on load
  netxen: remove unused firmware exports
  caif: Remove noisy printout when disconnecting caif socket
  caif: SPI-driver bugfix - incorrect padding.
  caif: Bugfix for socket priority, bindtodev and dbg channel.
  smsc911x: Set Ethernet EEPROM size to supported device's size
  ipv4: netfilter: ip_tables: fix information leak to userland
  ipv4: netfilter: arp_tables: fix information leak to userland
  cxgb4vf: remove call to stop TX queues at load time.
  cxgb4: remove call to stop TX queues at load time.
  ...
2010-11-05 15:25:48 -07:00
Heikki Krogerus 19aab56c7f usb: musb: Fix handling of spurious SESSREQ
Rely on VBUS being valid on top off B device.

Signed-off-by: Heikki Krogerus <heikki.krogerus@nokia.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-11-05 14:17:35 +02:00
Ming Lei b212091474 usb: musb: fix kernel oops when loading musb_hdrc module for the 2nd time
musb driver still may write MUSB_DEVCTL register after clock is disabled
in musb_platform_exit, which may cause the kernel oops[1] when musb_hdrc
module is loaded for the 2nd time.

The patch fixes the kernel oops in this case.

[1] kernel oops when loading musb_hdrc module for the 2nd time

[   93.380279] musb_hdrc: version 6.0, musb-dma, otg (peripheral+host), debug=5
[   93.387847] bus: 'platform': add driver musb_hdrc
[   93.388153] bus: 'platform': driver_probe_device: matched device musb_hdrc with driver musb_hdrc
[   93.388183] bus: 'platform': really_probe: probing driver musb_hdrc with device musb_hdrc
[   93.405090] HS USB OTG: revision 0x33, sysconfig 0x2010, sysstatus 0x1, intrfsel 0x1, simenable  0x0
[   93.405364] musb_hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, bulk combine, bulk split, HB-ISO Rx, HB-ISO Tx, SoftConn)
[   93.405395] musb_hdrc: MHDRC RTL version 1.400
[   93.405426] musb_hdrc: setup fifo_mode 3
[   93.405456] musb_hdrc: 7/31 max ep, 3648/16384 memory
[   93.405487] musb_core_init 1524: musb_hdrc: hw_ep 0shared, max 64
[   93.405487] musb_core_init 1524: musb_hdrc: hw_ep 1tx, doublebuffer, max 512
[   93.405517] musb_core_init 1533: musb_hdrc: hw_ep 1rx, doublebuffer, max 512
[   93.405548] musb_core_init 1524: musb_hdrc: hw_ep 2tx, max 512
[   93.405578] musb_core_init 1533: musb_hdrc: hw_ep 2rx, max 512
[   93.405578] musb_core_init 1524: musb_hdrc: hw_ep 3shared, max 256
[   93.405609] musb_core_init 1524: musb_hdrc: hw_ep 4shared, max 256
[   93.405853] musb_platform_try_idle 133: b_idle inactive, for idle timer for 7 ms
[   93.405944] device: 'gadget': device_add
[   93.406921] PM: Adding info for No Bus:gadget
[   93.406951] musb_init_controller 2136: OTG mode, status 0, dev80
[   93.407379] musb_do_idle 51: musb_do_idle: state=1
[   93.408233] musb_hdrc musb_hdrc: USB OTG mode controller at fa0ab000 using DMA, IRQ 92
[   93.416656] driver: 'musb_hdrc': driver_bound: bound to device 'musb_hdrc'
[   93.416687] bus: 'platform': really_probe: bound device musb_hdrc to driver musb_hdrc
[  124.486938] bus: 'platform': remove driver musb_hdrc
[  124.490509] twl4030_usb twl4030_usb: twl4030_phy_suspend
[  124.491424] device: 'gadget': device_unregister
[  124.491424] PM: Removing info for No Bus:gadget
[  124.495269]  gadget: musb_gadget_release
[  124.498992] driver: 'musb_hdrc': driver_release
[  129.569366] musb_hdrc: version 6.0, musb-dma, otg (peripheral+host), debug=5
[  129.576934] bus: 'platform': add driver musb_hdrc
[  129.577209] bus: 'platform': driver_probe_device: matched device musb_hdrc with driver musb_hdrc
[  129.577239] bus: 'platform': really_probe: probing driver musb_hdrc with device musb_hdrc
[  129.592651] twl4030_usb twl4030_usb: twl4030_phy_resume
[  129.592681] Unhandled fault: external abort on non-linefetch (0x1028) at 0xfa0ab404
[  129.600830] Internal error: : 1028 [#1]
[  129.604858] last sysfs file: /sys/devices/platform/i2c_omap.3/i2c-3/i2c-dev/i2c-3/dev
[  129.613067] Modules linked in: musb_hdrc(+) [last unloaded: musb_hdrc]
[  129.619964] CPU: 0    Not tainted  (2.6.36-next-20101021+ #372)
[  129.626281] PC is at musb_platform_init+0xb0/0x1c8 [musb_hdrc]
[  129.632415] LR is at mark_held_locks+0x64/0x94
[  129.637084] pc : [<bf032198>]    lr : [<c00ad7c4>]    psr: 20000013
[  129.637084] sp : c6d5fcb0  ip : c6d5fc38  fp : c6d5fcd4
[  129.649139] r10: c6e72180  r9 : fa0ab000  r8 : c05612e8
[  129.654602] r7 : 0000005c  r6 : c0559cc8  r5 : c6e72180  r4 : c0561548
[  129.661468] r3 : 04d60047  r2 : fa0ab000  r1 : c07169d8  r0 : 00000000
[  129.668304] Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
[  129.675811] Control: 10c5387d  Table: 86e4c019  DAC: 00000015
[  129.681823] Process insmod (pid: 554, stack limit = 0xc6d5e2f0)
[  129.688049] Stack: (0xc6d5fcb0 to 0xc6d60000)
[  129.692626] fca0:                                     fa0ab000 c0555c54 c6d5fcd4 c0561548
[  129.701202] fcc0: 00000003 c05612e0 c6d5fe04 c6d5fcd8 bf03140c bf0320f4 c6d5fd9c c6d5fce8
[  129.709808] fce0: c015cb94 c041448c c06d9d10 ffffffff c6d5fd14 c6d5fd00 c00adbec c6d5fd40
[  129.718383] fd00: c015d478 c6d5fdb0 c6d5fd24 c00a9d18 c6d5e000 60000013 bf02a4ac c05612bc
[  129.726989] fd20: c0414fb4 c00a9cf0 c6d5fd54 c6d5fd38 c015bbdc c0244280 c6e8b7b0 c7929330
[  129.735565] fd40: c6d5fdb0 c6d5fdb0 c6d5fd7c c6e7227c c015c010 c015bb90 c015c2ac c6d5fdb0
[  129.744171] fd60: c7929330 c6d5fdb0 c7929330 c6e8b7b0 c6d5fd9c 00000000 c7929330 c6e8b7b0
[  129.752746] fd80: c6d5fdb0 00000000 00000001 00000000 c6d5fde4 c6d5fda0 c015d478 c015cb74
[  129.761322] fda0: c056138c 00000000 c6d5fdcc c6d5fdb8 c7929330 00000000 c056138c c05612e8
[  129.769927] fdc0: 00000000 c05612f0 c0c5d62c c06f6e00 c73217c0 00000000 c6d5fdf4 c05612e8
[  129.778503] fde0: c05612e8 bf02a2e4 c0c5d62c c06f6e00 c73217c0 00000000 c6d5fe14 c6d5fe08
[  129.787109] fe00: c029a398 bf0311c8 c6d5fe4c c6d5fe18 c0299120 c029a384 c7919140 22222222
[  129.795684] fe20: c6d5fe4c c05612e8 c056131c bf02a2e4 c0299278 c06f6e00 c73217c0 00000000
[  129.804290] fe40: c6d5fe6c c6d5fe50 c0299314 c0299020 00000000 c6d5fe70 bf02a2e4 c0299278
[  129.812866] fe60: c6d5fe94 c6d5fe70 c02987d4 c0299284 c7825060 c78c6618 00000000 bf02a2e4
[  129.821441] fe80: c06e4c98 00000000 c6d5fea4 c6d5fe98 c0298ea4 c0298778 c6d5fedc c6d5fea8
[  129.830047] fea0: c0297f84 c0298e8c bf02716c 000b9008 bf02a2e4 bf02a2d0 000b9008 bf02a2e4
[  129.838623] fec0: 00000000 c06f6e00 bf031000 00000000 c6d5fefc c6d5fee0 c0299614 c0297ec0
[  129.847229] fee0: bf02a2d0 000b9008 bf02a388 00000000 c6d5ff0c c6d5ff00 c029a868 c02995a8
[  129.855804] ff00: c6d5ff24 c6d5ff10 c029a88c c029a818 0010281c 000b9008 c6d5ff34 c6d5ff28
[  129.864410] ff20: bf03104c c029a878 c6d5ff7c c6d5ff38 c00463dc bf03100c 00000000 00000000
[  129.872985] ff40: 00000000 0010281c 000b9008 bf02a388 00000000 0010281c 000b9008 bf02a388
[  129.881591] ff60: 00000000 c00521c8 c6d5e000 00000000 c6d5ffa4 c6d5ff80 c00bb9b8 c00463ac
[  129.890167] ff80: c00adc88 c00ada68 00097e8e bebbfcf4 0010281c 00000080 00000000 c6d5ffa8
[  129.898742] ffa0: c0052000 c00bb908 00097e8e bebbfcf4 402c9008 0010281c 000b9008 bebbfe5a
[  129.907348] ffc0: 00097e8e bebbfcf4 0010281c 00000080 00000014 bebbfcf4 bebbfe06 0000005b
[  129.915924] ffe0: bebbf9a0 bebbf990 0001a108 40263ec0 60000010 402c9008 011b0000 0000007c
[  129.924499] Backtrace:
[  129.927185] [<bf0320e8>] (musb_platform_init+0x0/0x1c8 [musb_hdrc]) from [<bf03140c>] (musb_probe+0x250/0xf2c [musb_hdrc])
[  129.938781]  r6:c05612e0 r5:00000003 r4:c0561548
[  129.943695] [<bf0311bc>] (musb_probe+0x0/0xf2c [musb_hdrc]) from [<c029a398>] (platform_drv_probe+0x20/0x24)
[  129.954040] [<c029a378>] (platform_drv_probe+0x0/0x24) from [<c0299120>] (driver_probe_device+0x10c/0x264)
[  129.964172] [<c0299014>] (driver_probe_device+0x0/0x264) from [<c0299314>] (__driver_attach+0x9c/0xa0)
[  129.973968] [<c0299278>] (__driver_attach+0x0/0xa0) from [<c02987d4>] (bus_for_each_dev+0x68/0x94)
[  129.983367]  r7:c0299278 r6:bf02a2e4 r5:c6d5fe70 r4:00000000
[  129.989349] [<c029876c>] (bus_for_each_dev+0x0/0x94) from [<c0298ea4>] (driver_attach+0x24/0x28)
[  129.998565]  r7:00000000 r6:c06e4c98 r5:bf02a2e4 r4:00000000
[  130.004547] [<c0298e80>] (driver_attach+0x0/0x28) from [<c0297f84>] (bus_add_driver+0xd0/0x274)
[  130.013671] [<c0297eb4>] (bus_add_driver+0x0/0x274) from [<c0299614>] (driver_register+0x78/0x158)
[  130.023101] [<c029959c>] (driver_register+0x0/0x158) from [<c029a868>] (platform_driver_register+0x5c/0x60)
[  130.033325]  r7:00000000 r6:bf02a388 r5:000b9008 r4:bf02a2d0
[  130.039276] [<c029a80c>] (platform_driver_register+0x0/0x60) from [<c029a88c>] (platform_driver_probe+0x20/0xa8)
[  130.050018] [<c029a86c>] (platform_driver_probe+0x0/0xa8) from [<bf03104c>] (musb_init+0x4c/0x54 [musb_hdrc])
[  130.060424]  r5:000b9008 r4:0010281c
[  130.064239] [<bf031000>] (musb_init+0x0/0x54 [musb_hdrc]) from [<c00463dc>] (do_one_initcall+0x3c/0x1c0)
[  130.074218] [<c00463a0>] (do_one_initcall+0x0/0x1c0) from [<c00bb9b8>] (sys_init_module+0xbc/0x1d0)
[  130.083709] [<c00bb8fc>] (sys_init_module+0x0/0x1d0) from [<c0052000>] (ret_fast_syscall+0x0/0x3c)
[  130.093109]  r7:00000080 r6:0010281c r5:bebbfcf4 r4:00097e8e
[  130.099090] Code: 0a000046 e3a01001 e12fff33 e59520e4 (e5923404)
[  130.105621] ---[ end trace 1d0bd69deb79164d ]---

Cc: Ajay Kumar Gupta <ajay.gupta@ti.com>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: Anand Gadiyar <gadiyar@ti.com>
Cc: stable@kernel.org
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-11-05 14:16:32 +02:00
Bob Liu 9c7564620f USB: musb: blackfin: push clkin value to platform resources
In order to not touch the driver file for different xtal usage,
push the clkin value to board file and calculate the register
value instead of hardcoding it.

Signed-off-by: Bob Liu <lliubbo@gmail.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-11-05 14:13:32 +02:00
Bob Liu 68f64714dc USB: musb: blackfin: fix dynamic device<->host changing
We need to restart the timer in order to recognize USB devices in
host-only mode.

Signed-off-by: Bob Liu <lliubbo@gmail.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-11-05 14:12:22 +02:00
Bob Liu 1e393c6eec USB: musb: blackfin: pm: make it work
Split the USB MMR init steps out into a helper func that both the platform
init and the resume code may call.

Then while suspending, the gpio_vrsel will change from high to low which
will generate a wakeup event and resume the system immediately, so we need
to manually drive it low before we sleep.

Signed-off-by: Bob Liu <lliubbo@gmail.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-11-05 14:10:57 +02:00
Bob Liu 32d5dc9520 USB: musb: pm: don't rely fully on clock support
Since clock support is optional across processors, don't make the whole
musb pm paths depend upon it.  Just conditionalize the clock accesses.

Signed-off-by: Bob Liu <lliubbo@gmail.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-11-05 14:08:15 +02:00
Ian Jeffray 5d726f5add USB: musb: blackfin: fix musb_read_txhubport() definition
The new MUSB power code needs musb_read_txhubport() to
return a value (so stub it as 0 like the other Blackfin
hub funcs).

Signed-off-by: Ian Jeffray <ian@jeffray.co.uk>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-11-05 13:59:32 +02:00
Ming Lei 31c9909b51 USB: musb: gadget: fix MUSB_TXMAXP and MUSB_RXMAXP configuration
Commit 9f445cb29918dc488b7a9a92ef018599cce33df7[USB: musb: disable
double buffering for older RTL versions] tries to disable double
buffer mode by writing endpoint hw max packet size to TXMAP/RXMAP.

First the approach can break full speed and cause overflow problems.
We should always set those registers with the actual max packet size
from endpoint descriptor.

Second, the problem describe by commit 9f445cb299
was caused by musb gadget driver; nothing to do with RTL revision as
originaly suspected.

The real fix to the problem is to always use actual max packet
size from endpoint descriptor to config TXMAP/RXMAP registers.

Cc: Cliff Cai <cliff.cai@analog.com>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Anand Gadiyar <gadiyar@ti.com>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: stable@kernel.org
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-11-05 13:56:17 +02:00
Grazvydas Ignotas 120d074c58 usb: musb: don't leave PHY enabled on shutdown()
Some actions like musb_platform_exit are only performed on module
removal and not on shutdown, which results in PHY being left enabled
on reboot at least. This is sometimes causing strange failures after
reboot (observed on OMAP3 pandora board), when DEVCTL does not report
VBUS state correctly due to unknown reasons (possibly because of
communication issues between musb IP and PHY). Running
musb_platform_exit before reset seems to resolve that issue.

Move some exit code from musb_remove() to musb_shutdown() so that it
is performed on both module removal and shutdown/reset. Also convert
the host check so that it doesn't need #ifdef.

Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-11-05 13:48:09 +02:00
Rahul Ruikar e2c3404523 usb: musb: musb_gadget: fix resource leakage in error path
In function musb_gadget_setup() call put_device()
when device_register() fails.

Signed-off-by: Rahul Ruikar <rahul.ruikar@gmail.com>
Acked-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-11-05 13:43:14 +02:00
Ming Lei 9001d80df9 usb: musb: gadget: fix dma mode 0 in double buffer Rx case
1, In Rx double buffer case, FIFO may have two packets, so
rxstate should be called to unload fifo if RXPKTRDY is set
even the current request has not been completed.

2, Commit 633ba7876b96ec339ef685357e2f7c60b5a8ce85
introduces autoclear to support double buffer in dma mode 0,
so remove clearing RXPKTRDY manually for dma mode 0.

3, Commit c7af6b29ffeffbeb28caf39e5b2ce29b11807c7d may break
dma mode 1 for non-doublebuffer endpoint, fix it.

With this patch, either usbtest #5 or g_file_storage(writing
file to device in usb host) or g_ether have been tested OK in
double buffer case(using fifo mode 3). Also, this patch has
been verified that single buffer case can't be broken.

Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Anand Gadiyar <gadiyar@ti.com>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2010-11-05 13:42:31 +02:00
Paul Mundt 63c8455222 usb: ehci-hcd: Add support for SuperH EHCI.
This adds a trivial stub for supporting EHCI mode of the on-chip
SH USB host controllers.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-11-01 17:03:27 -04:00
Paul Mundt 9cc5639680 usb: ohci-sh: Set IRQ as shared.
The SH USB interface has both OHCI and EHCI modes that share the
same interrupt. Flag the OHCI IRQ as shared in preparation for EHCI
support.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-11-01 17:01:27 -04:00
Uwe Kleine-König b595076a18 tree-wide: fix comment/printk typos
"gadget", "through", "command", "maintain", "maintain", "controller", "address",
"between", "initiali[zs]e", "instead", "function", "select", "already",
"equal", "access", "management", "hierarchy", "registration", "interest",
"relative", "memory", "offset", "already",

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-11-01 15:38:34 -04:00
Dmitry Artamonow 315daea948 USB: gadget: fix ethernet gadget crash in gether_setup
Crash is triggered by commit e6484930d7 ("net: allocate tx queues in
register_netdevice"), which moved tx netqueue creation into register_netdev.
So now calling netif_stop_queue() before register_netdev causes an oops.
Move netif_stop_queue() after net device registration to fix crash.

Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru>
Signed-off-by: Denis Kirjanov <dkirjanov@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-11-01 09:33:53 -07:00
Linus Torvalds 1840897ab5 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (34 commits)
  b43: Fix warning at drivers/mmc/core/core.c:237 in mmc_wait_for_cmd
  mac80211: fix failure to check kmalloc return value in key_key_read
  libertas: Fix sd8686 firmware reload
  ath9k: Fix incorrect access of rate flags in RC
  netfilter: xt_socket: Make tproto signed in socket_mt6_v1().
  stmmac: enable/disable rx/tx in the core with a single write.
  net: atarilance - flags should be unsigned long
  netxen: fix kdump
  pktgen: Limit how much data we copy onto the stack.
  net: Limit socket I/O iovec total length to INT_MAX.
  USB: gadget: fix ethernet gadget crash in gether_setup
  fib: Fix fib zone and its hash leak on namespace stop
  cxgb3: Fix panic in free_tx_desc()
  cxgb3: fix crash due to manipulating queues before registration
  8390: Don't oops on starting dev queue
  dccp ccid-2: Stop polling
  dccp: Refine the wait-for-ccid mechanism
  dccp: Extend CCID packet dequeueing interface
  dccp: Return-value convention of hc_tx_send_packet()
  igbvf: fix panic on load
  ...
2010-10-29 14:17:12 -07:00
Linus Torvalds b77d643ced Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus: (46 commits)
  ftrace/MIPS: Enable C Version of recordmcount
  ftrace/MIPS: Add module support for C version of recordmcount
  ftrace/MIPS: Add MIPS64 support for C version of recordmcount
  MIPS: Make TASK_SIZE reflect proper size for both 32 and 64 bit processes.
  MIPS: Allow UserLocal on MIPS_R1 processors
  MIPS: Honor L2 bypass bit
  MIPS: Add BMIPS CP0 register definitions
  MIPS: Add BMIPS processor types to Kconfig
  MIPS: Decouple BMIPS CPU support from bcm47xx/bcm63xx SoC code
  MIPS: Add support for hardware performance events (mipsxx)
  MIPS: Perf-events: Add callchain support
  MIPS: add support for hardware performance events (skeleton)
  MIPS: add support for software performance events
  MIPS: define local_xchg from xchg_local to atomic_long_xchg
  MIPS: AR7: Add support for Titan (TNETV10xx) SoC variant
  MIPS: AR7: Initialize GPIO earlier
  MIPS: Add platform device and Kconfig for Octeon USB EHCI / OHCI
  USB: Add EHCI and OHCH glue for OCTEON II SOCs.
  MIPS: Octeon: Add register definitions for EHCI / OHCI USB glue logic.
  MIPS: Octeon: Apply CN63XXP1 errata workarounds.
  ...
2010-10-29 11:13:10 -07:00
David Daney 1643accdaa USB: Add EHCI and OHCH glue for OCTEON II SOCs.
The OCTEON II SOC has USB EHCI and OHCI controllers connected directly
to the internal I/O bus.  This patch adds the necessary 'glue' logic
to allow ehci-hcd and ohci-hcd drivers to work on OCTEON II.

The OCTEON normally runs big-endian, and the ehci/ohci internal
registers have host endianness, so we need to select
USB_EHCI_BIG_ENDIAN_MMIO.

The ehci and ohci blocks share a common clocking and PHY
infrastructure.  Initialization of the host controller and PHY clocks
is common between the two and is factored out into the
octeon2-common.c file.

Setting of USB_ARCH_HAS_OHCI and USB_ARCH_HAS_EHCI is done in
arch/mips/Kconfig in a following patch.

Signed-off-by: David Daney <ddaney@caviumnetworks.com>
To: linux-usb@vger.kernel.org
To: dbrownell@users.sourceforge.net
Patchwork: http://patchwork.linux-mips.org/patch/1675/
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-10-29 19:08:44 +01:00
Al Viro fc14f2fef6 convert get_sb_single() users
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-29 04:16:28 -04:00
Felipe Balbi e7944d820b usb: otg: twl4030-usb: switch over to defines in twl.h
use the new definitions on twl header for code
consistency.

Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2010-10-29 00:28:51 +02:00
Dmitry Artamonow 349f6c5c5d USB: gadget: fix ethernet gadget crash in gether_setup
Crash is triggered by commit e6484930d7 ("net: allocate tx queues in
register_netdevice"), which moved tx netqueue creation into register_netdev.
So now calling netif_stop_queue() before register_netdev causes an oops.
Move netif_stop_queue() after net device registration to fix crash.

Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-10-28 11:47:52 -07:00
Al Viro 12ba8d1e92 fix braino in fs: do not assign default i_ino in new_inode
usbfs_get_inode() is something completely different...

Bogosity introduced by commit 85fe4025c6 ("fs: do not assign default
i_ino in new_inode").

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-10-26 20:25:45 -07:00
Linus Torvalds 426e1f5cec Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (52 commits)
  split invalidate_inodes()
  fs: skip I_FREEING inodes in writeback_sb_inodes
  fs: fold invalidate_list into invalidate_inodes
  fs: do not drop inode_lock in dispose_list
  fs: inode split IO and LRU lists
  fs: switch bdev inode bdi's correctly
  fs: fix buffer invalidation in invalidate_list
  fsnotify: use dget_parent
  smbfs: use dget_parent
  exportfs: use dget_parent
  fs: use RCU read side protection in d_validate
  fs: clean up dentry lru modification
  fs: split __shrink_dcache_sb
  fs: improve DCACHE_REFERENCED usage
  fs: use percpu counter for nr_dentry and nr_dentry_unused
  fs: simplify __d_free
  fs: take dcache_lock inside __d_path
  fs: do not assign default i_ino in new_inode
  fs: introduce a per-cpu last_ino allocator
  new helper: ihold()
  ...
2010-10-26 17:58:44 -07:00
Christoph Hellwig 85fe4025c6 fs: do not assign default i_ino in new_inode
Instead of always assigning an increasing inode number in new_inode
move the call to assign it into those callers that actually need it.
For now callers that need it is estimated conservatively, that is
the call is added to all filesystems that do not assign an i_ino
by themselves.  For a few more filesystems we can avoid assigning
any inode number given that they aren't user visible, and for others
it could be done lazily when an inode number is actually needed,
but that's left for later patches.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-25 21:26:11 -04:00
Linus Torvalds 7b6181e068 Merge branch 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6
* 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6: (163 commits)
  omap: complete removal of machine_desc.io_pg_offst and .phys_io
  omap: UART: fix wakeup registers for OMAP24xx UART2
  omap: Fix spotty MMC voltages
  ASoC: OMAP4: MCPDM: Remove unnecessary include of plat/control.h
  serial: omap-serial: fix signess error
  OMAP3: DMA: Errata i541: sDMA FIFO draining does not finish
  omap: dma: Fix buffering disable bit setting for omap24xx
  omap: serial: Fix the boot-up crash/reboot without CONFIG_PM
  OMAP3: PM: fix scratchpad memory accesses for off-mode
  omap4: pandaboard: enable the ehci port on pandaboard
  omap4: pandaboard: Fix the init if CONFIG_MMC_OMAP_HS is not set
  omap4: pandaboard: remove unused hsmmc definition
  OMAP: McBSP: Remove null omap44xx ops comment
  OMAP: McBSP: Swap CLKS source definition
  OMAP: McBSP: Fix CLKR and FSR signal muxing
  OMAP2+: clock: reduce the amount of standard debugging while disabling unused clocks
  OMAP: control: move plat-omap/control.h to mach-omap2/control.h
  OMAP: split plat-omap/common.c
  OMAP: McBSP: implement functional clock switching via clock framework
  OMAP: McBSP: implement McBSP CLKR and FSR signal muxing via mach-omap2/mcbsp.c
  ...

Fixed up trivial conflicts in arch/arm/mach-omap2/
{board-zoom-peripherals.c,devices.c} as per Tony
2010-10-25 13:46:56 -07:00
Linus Torvalds 1dfd166e93 Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (110 commits)
  sh: i2c-sh7760: Replase from ctrl_* to __raw_*
  sh: clkfwk: Shuffle around to match the intc split up.
  sh: clkfwk: modify for_each_frequency end condition
  sh: fix clk_get() error handling
  sh: clkfwk: Fix fault in frequency iterator.
  sh: clkfwk: Add a helper for rate rounding by divisor ranges.
  sh: clkfwk: Abstract rate rounding helper.
  sh: clkfwk: support clock remapping.
  sh: pci: Convert to upper/lower_32_bits() helpers.
  sh: mach-sdk7786: Add support for the FPGA SRAM.
  sh: Provide a generic SRAM pool for tiny memories.
  sh: pci: Support secondary FPGA-driven PCIe clocks on SDK7786.
  sh: pci: Support slot 4 routing on SDK7786.
  sh: Fix up PMB locking.
  sh: mach-sdk7786: Add support for fpga gpios.
  sh: use pr_fmt for clock framework, too.
  sh: remove name and id from struct clk
  sh: free-without-alloc fix for sh_mobile_lcdcfb
  sh: perf: Set up perf_max_events.
  sh: perf: Support SH-X3 hardware counters.
  ...

Fix up trivial conflicts (perf_max_events got removed) in arch/sh/kernel/perf_event.c
2010-10-25 07:51:49 -07:00
Linus Torvalds 229aebb873 Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (39 commits)
  Update broken web addresses in arch directory.
  Update broken web addresses in the kernel.
  Revert "drivers/usb: Remove unnecessary return's from void functions" for musb gadget
  Revert "Fix typo: configuation => configuration" partially
  ida: document IDA_BITMAP_LONGS calculation
  ext2: fix a typo on comment in ext2/inode.c
  drivers/scsi: Remove unnecessary casts of private_data
  drivers/s390: Remove unnecessary casts of private_data
  net/sunrpc/rpc_pipe.c: Remove unnecessary casts of private_data
  drivers/infiniband: Remove unnecessary casts of private_data
  drivers/gpu/drm: Remove unnecessary casts of private_data
  kernel/pm_qos_params.c: Remove unnecessary casts of private_data
  fs/ecryptfs: Remove unnecessary casts of private_data
  fs/seq_file.c: Remove unnecessary casts of private_data
  arm: uengine.c: remove C99 comments
  arm: scoop.c: remove C99 comments
  Fix typo configue => configure in comments
  Fix typo: configuation => configuration
  Fix typo interrest[ing|ed] => interest[ing|ed]
  Fix various typos of valid in comments
  ...

Fix up trivial conflicts in:
	drivers/char/ipmi/ipmi_si_intf.c
	drivers/usb/gadget/rndis.c
	net/irda/irnet/irnet_ppp.c
2010-10-24 13:41:39 -07:00
Linus Torvalds 5f05647dd8 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1699 commits)
  bnx2/bnx2x: Unsupported Ethtool operations should return -EINVAL.
  vlan: Calling vlan_hwaccel_do_receive() is always valid.
  tproxy: use the interface primary IP address as a default value for --on-ip
  tproxy: added IPv6 support to the socket match
  cxgb3: function namespace cleanup
  tproxy: added IPv6 support to the TPROXY target
  tproxy: added IPv6 socket lookup function to nf_tproxy_core
  be2net: Changes to use only priority codes allowed by f/w
  tproxy: allow non-local binds of IPv6 sockets if IP_TRANSPARENT is enabled
  tproxy: added tproxy sockopt interface in the IPV6 layer
  tproxy: added udp6_lib_lookup function
  tproxy: added const specifiers to udp lookup functions
  tproxy: split off ipv6 defragmentation to a separate module
  l2tp: small cleanup
  nf_nat: restrict ICMP translation for embedded header
  can: mcp251x: fix generation of error frames
  can: mcp251x: fix endless loop in interrupt handler if CANINTF_MERRF is set
  can-raw: add msg_flags to distinguish local traffic
  9p: client code cleanup
  rds: make local functions/variables static
  ...

Fix up conflicts in net/core/dev.c, drivers/net/pcmcia/smc91c92_cs.c and
drivers/net/wireless/ath/ath9k/debug.c as per David
2010-10-23 11:47:02 -07:00
Linus Torvalds 5cc1035062 Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (141 commits)
  USB: mct_u232: fix broken close
  USB: gadget: amd5536udc.c: fix error path
  USB: imx21-hcd - fix off by one resource size calculation
  usb: gadget: fix Kconfig warning
  usb: r8a66597-udc: Add processing when USB was removed.
  mxc_udc: add workaround for ENGcm09152 for i.MX35
  USB: ftdi_sio: add device ids for ScienceScope
  USB: musb: AM35x: Workaround for fifo read issue
  USB: musb: add musb support for AM35x
  USB: AM35x: Add musb support
  usb: Fix linker errors with CONFIG_PM=n
  USB: ohci-sh - use resource_size instead of defining its own resource_len macro
  USB: isp1362-hcd - use resource_size instead of defining its own resource_len macro
  USB: isp116x-hcd - use resource_size instead of defining its own resource_len macro
  USB: xhci: Fix compile error when CONFIG_PM=n
  USB: accept some invalid ep0-maxpacket values
  USB: xHCI: PCI power management implementation
  USB: xHCI: bus power management implementation
  USB: xHCI: port remote wakeup implementation
  USB: xHCI: port power management implementation
  ...

Manually fix up (non-data) conflict: the SCSI merge gad renamed the
'hw_sector_size' member to 'physical_block_size', and the USB tree
brought a new use of it.
2010-10-22 20:30:48 -07:00
Linus Torvalds 73ecf3a6e3 Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6: (49 commits)
  serial8250: ratelimit "too much work" error
  serial: bfin_sport_uart: speed up sport RX sample rate to be 3% faster
  serial: abstraction for 8250 legacy ports
  serial/imx: check that the buffer is non-empty before sending it out
  serial: mfd: add more baud rates support
  jsm: Remove the uart port on errors
  Alchemy: Add UART PM methods.
  8250: allow platforms to override PM hook.
  altera_uart: Don't use plain integer as NULL pointer
  altera_uart: Fix missing prototype for registering an early console
  altera_uart: Fixup type usage of port flags
  altera_uart: Make it possible to use Altera UART and 8250 ports together
  altera_uart: Add support for different address strides
  altera_uart: Add support for getting mapbase and IRQ from resources
  altera_uart: Add support for polling mode (IRQ-less)
  serial: Factor out uart_poll_timeout() from 8250 driver
  serial: mark the 8250 driver as maintained
  serial: 8250: Don't delay after transmitter is ready.
  tty: MAINTAINERS: add drivers/serial/jsm/ as maintained driver
  vcs: invoke the vt update callback when /dev/vcs* is written to
  ...
2010-10-22 19:59:04 -07:00
Linus Torvalds 092e0e7e52 Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
* 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl:
  vfs: make no_llseek the default
  vfs: don't use BKL in default_llseek
  llseek: automatically add .llseek fop
  libfs: use generic_file_llseek for simple_attr
  mac80211: disallow seeks in minstrel debug code
  lirc: make chardev nonseekable
  viotape: use noop_llseek
  raw: use explicit llseek file operations
  ibmasmfs: use generic_file_llseek
  spufs: use llseek in all file operations
  arm/omap: use generic_file_llseek in iommu_debug
  lkdtm: use generic_file_llseek in debugfs
  net/wireless: use generic_file_llseek in debugfs
  drm: use noop_llseek
2010-10-22 10:52:56 -07:00
Linus Torvalds 79f14b7c56 Merge branch 'vfs' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
* 'vfs' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl: (30 commits)
  BKL: remove BKL from freevxfs
  BKL: remove BKL from qnx4
  autofs4: Only declare function when CONFIG_COMPAT is defined
  autofs: Only declare function when CONFIG_COMPAT is defined
  ncpfs: Lock socket in ncpfs while setting its callbacks
  fs/locks.c: prepare for BKL removal
  BKL: Remove BKL from ncpfs
  BKL: Remove BKL from OCFS2
  BKL: Remove BKL from squashfs
  BKL: Remove BKL from jffs2
  BKL: Remove BKL from ecryptfs
  BKL: Remove BKL from afs
  BKL: Remove BKL from USB gadgetfs
  BKL: Remove BKL from autofs4
  BKL: Remove BKL from isofs
  BKL: Remove BKL from fat
  BKL: Remove BKL from ext2 filesystem
  BKL: Remove BKL from do_new_mount()
  BKL: Remove BKL from cgroup
  BKL: Remove BKL from NTFS
  ...
2010-10-22 10:52:01 -07:00
Johan Hovold 92ca0dc5ee USB: mct_u232: fix broken close
Fix regression introduced by commit
f26788da3b (USB: serial: refactor generic
close) which broke driver close().

This driver uses non-standard semantics for the read urb which makes the
generic close function fail to kill it (the read urb is actually an
interrupt urb and therefore bulk_in size is zero).

Reported-by: Eric Shattow "Eprecocious" <lucent@gmail.com>
Tested-by: Eric Shattow "Eprecocious" <lucent@gmail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-10-22 10:22:19 -07:00
Rahul Ruikar f34c25ed78 USB: gadget: amd5536udc.c: fix error path
In function udc_probe() call put_device() when device_register() fails.

Signed-off-by: Rahul Ruikar <rahul.ruikar@gmail.com>
Acked-by: Thomas Dahlmann <dahlmann.thomas@arcor.de>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-10-22 10:22:19 -07:00
Axel Lin e581c8c8a9 USB: imx21-hcd - fix off by one resource size calculation
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Tested-by: Jon Povey <Jon.Povey@racelogic.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-10-22 10:22:18 -07:00
Felipe Contreras bd68826897 usb: gadget: fix Kconfig warning
warning: (USB_MUSB_HDRC_HCD && USB_SUPPORT && USB_MUSB_HDRC &&
(USB_MUSB_HOST || USB_MUSB_OTG) && USB_GADGET_MUSB_HDRC || USB_MUSB_OTG
&& <choice> && USB && USB_GADGET && PM && EXPERIMENTAL) selects USB_OTG
which has unmet direct dependencies (USB_GADGET_OMAP && ARCH_OMAP_OTG &&
USB_OHCI_HCD)

This doesn't seem to happen on 2.6.36-rc8, but still doesn't make sense
to keep this duplicated config that is already defined in usb/core.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-10-22 10:22:18 -07:00
Yusuke Goda e576a7a96a usb: r8a66597-udc: Add processing when USB was removed.
When USB was removed, this patch prepares for the next insertion.

Signed-off-by: Yusuke Goda <yusuke.goda.sx@renesas.com>
Acked-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-10-22 10:22:18 -07:00
Eric Bénard 69cb1ec4ce mxc_udc: add workaround for ENGcm09152 for i.MX35
this patch gives the possibility to workaround bug ENGcm09152
on i.MX35 when the hardware workaround is also implemented on
the board.
It covers the workaround described on page 25 of the following Errata :
http://cache.freescale.com/files/dsp/doc/errata/IMX35CE.pdf

Signed-off-by: Eric Bénard <eric@eukrea.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-10-22 10:22:17 -07:00
Greg Kroah-Hartman 0f266abd70 USB: ftdi_sio: add device ids for ScienceScope
This adds the requested device ids to the ftdi_sio driver.

Reported-by: Ewan Bingham <ewan@auc.co.uk>
Cc: Kuba Ober <kuba@mareimbrium.org>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-10-22 10:22:17 -07:00
Ajay Kumar Gupta 843bb1d0ff USB: musb: AM35x: Workaround for fifo read issue
AM35x supports only 32bit read operations so we need to have
workaround for 8bit and 16bit read operations.

Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-10-22 10:22:17 -07:00
Ajay Kumar Gupta eb83092c2b USB: musb: add musb support for AM35x
AM35x has musb interface and uses CPPI4.1 DMA engine.
Current patch supports only PIO mode. DMA support can be
added later once basic CPPI4.1 DMA patch is accepted.

Also added USB_MUSB_AM35X which is required to differentiate musb ips
between OMAP3x and AM35x. This config would be used to for below
purposes,
        - Select am35x.c instead of omap2430.c for compilation
          at drivers/usb/musb directory. Please note there are
          significant differneces in these two files as musb ip
          in quite different on AM35x.

	  Please note that in multi omap configuration only omap2430.c
	  file will get compiled and we would require to select only
	  AM35x based board config to compile am35x.c

        - Select workaround codes applicable for AM35x musb issues.
          one such workaround is for bytewise read issue on AM35x.

Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-10-22 10:22:16 -07:00