- remove board file for exynos
- remove legacy files which are not used anymore
- decouple ARCH_EXYNOS from PLAT_S5P
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Merge tag 'remove-nondt-exynos-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc
From Kukjin Kim:
cleanup and removing dead code for only support DT for exynos
- remove board file for exynos
- remove legacy files which are not used anymore
- decouple ARCH_EXYNOS from PLAT_S5P
* tag 'remove-nondt-exynos-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (35 commits)
ARM: EXYNOS: Remove remaining dead code after non-DT support removal
ARM: EXYNOS: Remove legacy L2X0 initialization
ARM: EXYNOS: Use exynos_init_io() as map_io callback
ARM: EXYNOS: Remove custom init_irq callbacks
ARM: EXYNOS: Remove mach/regs-usb-phy.h header
thermal: exynos: Support both EXYNOS4X12 SoCs
ARM: EXYNOS: Remove unused base addresses from mach/map.h header
ARM: EXYNOS: Remove mach/irqs.h header
ARM: EXYNOS: Select SPARSE_IRQ for Exynos
ARM: SAMSUNG: Make legacy MFC support code depend on SAMSUNG_ATAGS
ARM: EXYNOS: Remove mach/regs-gpio.h header
ARM: EXYNOS: Remove mach/gpio.h
ARM: EXYNOS: Remove setup-i2c0.c
ARM: EXYNOS: Do not select legacy Kconfig symbols any more
ARM: SAMSUNG: Include most of mach/ headers conditionally
ARM: EXYNOS: Decouple ARCH_EXYNOS from PLAT_S5P
USB: Check for ARCH_EXYNOS separately
platform: Check for ARCH_EXYNOS separately
ARM: SAMSUNG: Compile legacy IRQ and GPIO PM code only with ATAGS support
ARM: EXYNOS: Provide compatibility stubs for PM code in pm-core.h header
...
Conflicts:
arch/arm/mach-exynos/Kconfig
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
* New SoCs i.MX6 Sololite and Vybrid VF610 support
* imx5 and imx6 clock fixes and additions
* Update clock driver to use of_clk_init() function
* Refactor restart routine mxc_restart() to get it work for DT boot
as well
* Clean up mxc specific ulpi access ops
* imx defconfig updates
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Merge tag 'imx-soc-3.11' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/soc
From Shawn Guo:
imx soc changes for 3.11:
* New SoCs i.MX6 Sololite and Vybrid VF610 support
* imx5 and imx6 clock fixes and additions
* Update clock driver to use of_clk_init() function
* Refactor restart routine mxc_restart() to get it work for DT boot
as well
* Clean up mxc specific ulpi access ops
* imx defconfig updates
* tag 'imx-soc-3.11' of git://git.linaro.org/people/shawnguo/linux-2.6: (29 commits)
ARM: imx_v6_v7_defconfig: Enable Vybrid VF610
ARM: imx_v6_v7_defconfig: Enable imx-wm8962 by default
ARM: clk-imx6qdl: Add clko1 configuration for imx6qdl-sabresd
ARM: imx_v6_v7_defconfig: Enable PWM and backlight options
ARM: imx: Remove mxc specific ulpi access ops
ARM: imx: add initial support for VF610
ARM: imx: add VF610 clock support
ARM: imx_v6_v7_defconfig: enable parallel display
ARM: imx: clk: No need to initialize phandle struct
ARM: imx: irq-common: Include header to avoid sparse warning
ARM: imx: Enable mx6 solo-lite support
ARM: imx6: use common of_clk_init() call to initialize clocks
ARM: imx6q: call of_clk_init() to register fixed rate clocks
ARM: imx: imx_v6_v7_defconfig: Select CONFIG_DRM_IMX_TVE
ARM: i.MX6: clk: add different DualLite MLB clock config
ARM i.MX5: Add S/PDIF clocks
ARM i.MX53: Add SATA clock
ARM: imx6q: clk: add the eim_slow clock
ARM: imx: remove MLB PLL from pllv3
ARM: imx: disable pll8_mlb in mx6q_clks
...
Conflicts:
arch/arm/Kconfig.debug (simple add/add conflict)
Includes an update to 3.10-rc6
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
ARCH_EXYNOS is going to be excluded from PLAT_S5P, so it must be checked
separately in Exynos-related Kconfig entries.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
These updates are by Sergei Shtylyov to clean-up USB support
present for R8A7779/Marzen and then extend USB support coverage to
R8A7778/BOCK-W.
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Merge tag 'renesas-phy-rcar-usb-for-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc
From Simon Horman:
Renesas USB updates for v3.11
These updates are by Sergei Shtylyov to clean-up USB support
present for R8A7779/Marzen and then extend USB support coverage to
R8A7778/BOCK-W.
* tag 'renesas-phy-rcar-usb-for-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: BOCK-W: add USB support
ARM: shmobile: r8a7778: add USB support
phy-rcar-usb: add R8A7778 support
phy-rcar-usb: handle platform data
ARM: shmobile: Marzen: pass platform data to USB PHY device
phy-rcar-usb: add platform data
phy-rcar-usb: correct base address
ARM: shmobile: r8a7779: remove USB PHY 2nd memory resource
phy-rcar-usb: remove EHCI internal buffer setup
ARM: shmobile: r8a7779: setup EHCI internal buffer
ehci-platform: add pre_setup() method to platform data
ARM: shmobile: Marzen: move USB EHCI, OHCI, and PHY devices to R8A7779 code
Conflicts:
arch/arm/mach-shmobile/board-marzen.c
arch/arm/mach-shmobile/setup-r8a7778.c
Signed-off-by: Olof Johansson <olof@lixom.net>
Re-enable chipidea irq even if there's no role changing to do. This is
a problem since b183c19f ("USB: chipidea: re-order irq handling to avoid
unhandled irqs"); when it manifests, chipidea irq gets disabled for good.
Cc: stable@vger.kernel.org # v3.7
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Since usb phy code does return ERR_PTR() values, make sure that we don't
end up dereferencing them. This is a problem, for example, on platforms
that don't register a phy for chipidea since b7fa5c2a ("usb: phy: return
-ENXIO when PHY layer isn't enabled").
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The driver currently only supports R8A7779 SoC. Compared to it, R8A7778 USB-PHY
has extra register range containing two high-speed signal quality characteristic
control registers which should be set up during USB-PHY startup depending on
whether a ferrite bead is in use or not. So, we now handle an optional second
memory range in the driver's probe method, add the 'ferrite_bead' field to the
driver's platform data, and add an extra (optional) step to the USB-PHY startup
routine which sets up the extended registers.
Also mark in the driver's Kconfig section that R8A7778 is now supported and
generally clarify that section, uppercasing the word "phy" and also changing
the module name that got lost in the big driver rename, while at it...
The patch has been tested on the Marzen and BOCK-W boards.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Set the USBPCTRL0 register from the passed platform data in rcar_usb_phy_init();
don't reset it to 0 in rcar_usb_phy_shutdown() anymore as that does not make
sense. Also, don't allow the driver's probe to succeed when the platform data
are not supplied with a device.
The patch has been tested on the Marzen and BOCK-W boards.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
The memory region that is used by the driver overlaps EHCI and OHCI register
regions for absolutely no reason now -- fix it by adding offset of 0x800 to
the base address, changing the register #define's accordingly. This has extra
positive effect that we now can use devm_ioremap_resource()...
Note that the driver and the SoC code have to be in one patch to keep the code
bisectable...
The patch has been tested on the Marzen board.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Now that the EHCI internal buffer setup is done by the platform code, we can
remove such code from this driver as it never really belonged here. We also
no longer need the 2nd memory region now (2nd EHCI controller is simply missing
in e.g. R8A7778 SoC).
The patch has been tested on the Marzen and BOCK-W boards.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Sometimes there is a need to initialize some non-standard registers mapped to
the EHCI region before accessing the standard EHCI registers. Add pre_setup()
method with 'struct usb_hcd *' parameter to be called just before ehci_setup()
to the 'ehci-platform' driver's platform data for this purpose...
While at it, add the missing incomplete declaration of 'struct platform_device'
to <linux/usb/ehci_pdriver.h>...
The patch has been tested on the Marzen and BOCK-W boards.
Suggested-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Do not use uninitialised termios data to determine when to configure the
device at open.
This also prevents stack data from leaking to userspace in the OOM error
path.
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Do not use uninitialised termios data to determine when to configure the
device at open.
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Do not use uninitialised termios data to determine when to configure the
device at open.
This also prevents stack data from leaking to userspace.
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Per some ZTE Linux drivers I found for the AC2716, the following patch
moves most ZTE CDMA devices from option to zte_ev. The blacklist stuff
that option does is not required with zte_ev, because it doesn't
implement any of the send_setup hooks which the blacklist suppressed.
I did not move the 2718 over because I could not find any ZTE Linux
drivers for that device, nor even any Windows drivers.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The mode used by Windows for the Huawei E1820 will use the
same ff/ff/ff class codes for both serial and network
functions.
Reported-by: Graham Inggs <graham.inggs@uct.ac.za>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When configuring the port (e.g. set_termios) the port minor number
rather than the port number was used in the request (and they only
coincide for minor number 0).
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix regression introduced by commit 143d9d9616 ("USB: serial: add
tiocmiwait subdriver operation") which made the ioctl operation return
ENODEV rather than ENOIOCTLCMD when a subdriver TIOCMIWAIT
implementation is missing.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The register access to enable hardware flow control depends on the
device port number and not the port minor number.
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove the no longer used endpoint-array access completely.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The outcont_endpoints array was indexed using the port minor number
(which can be greater than the array size) rather than the device port
number.
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove bogus port-number check in open and close, which prevented this
driver from being used with a minor number different from zero.
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The Option GTM681W uses a qualcomm chip and can be
served by the qcserial device driver.
Signed-off-by: Richard Weinberger <richard@nod.at>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The patch adds a new HIDCOM device and does not affect other devices
driven by the cypress_M8 module. Changes are:
- add VendorID ProductID to device tables
- skip unstable speed check because FRWD uses 115200bps
- skip reset at probe which is an issue workaround for this
particular device.
Signed-off-by: Robert Butora <robert.butora.fi@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch adds some code that inadvertently got left out of commit
c1fdb68e3d (USB: EHCI: changes related
to qh_refresh()). The calls to qh_refresh() and qh_link_periodic()
were taken out of qh_schedule(); therefore it is necessary to call
these routines manually after calling qh_schedule().
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-and-tested-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Increase the current arbitrary limit for isocronous packet size to a
value large enough to account for USB 3.0 super bandwidth streams,
bMaxBurst (0~15 allowed, 1~16 packets)
bmAttributes (bit 1:0, mult 0~2, 1~3 packets)
so the size max for one USB 3 isocronous transfer is
1024 byte * 16 * 3 = 49152 byte
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Federico Manzan <f.manzan@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The control-message timeout is specified in milliseconds and should not
depend on HZ.
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The control and bulk-message timeouts are specified in milliseconds and
should not depend on HZ.
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The bulk-message timeout is specified in milliseconds and should not
depend on HZ.
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The control-message timeout is specified in milliseconds and should not
depend on HZ.
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix regression introduced by commit 0eafe4de1a ("USB: serial: mos7840:
add support for MCS7810 devices") which used stack-allocated buffers for
control messages.
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The read_mos_reg function is called with stack-allocated buffers, which
must not be used for control messages.
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The first and second interrupt-in urbs are swapped for some Treo/Kyocera
devices, but the urb context was never updated with the new port.
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch reverts commit 3e619d0415
(USB: EHCI: fix bug in scheduling periodic split transfers). The
commit was valid -- it fixed a real bug -- but the periodic scheduler
in ehci-hcd is in such bad shape (especially the part that handles
split transactions) that fixing one bug is very likely to cause
another to surface. That's what happened in this case; the result was
choppy and noisy playback on certain 24-bit audio devices.
The only real fix will be to rewrite this entire section of code. My
next project...
This fixes https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1136110.
Thanks to Tim Richardson for extra testing and feedback, and to Joseph
Salisbury and Tyson Tan for tracking down the original source of the
problem.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: Joseph Salisbury <joseph.salisbury@canonical.com>
CC: Tim Richardson <tim@tim-richardson.net>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Hi Greg,
Here's four xHCI bug fixes that should be queued for 3.10.
The first two are generic bug fixes, and have been in my queue for a while
because I've been doing the OPW internship coordination. I suspect you'll be
seeing more pull requests from me now that the intern selection process is
almost over. :)
The last two patches fix a nasty kernel crash on resume from S3 for TI hosts
that have the compliance mode quirk. Tony has confirmed that the patches fix
the issue on the effected systems.
All four patches are marked for stable.
Sarah Sharp
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Merge tag 'for-usb-linus-2013-05-24' of git://git.kernel.org/pub/scm/linux/kernel/git/sarah/xhci into usb-linus
Sarah writes:
xhci: Misc bug fixes for 3.10.
Hi Greg,
Here's four xHCI bug fixes that should be queued for 3.10.
The first two are generic bug fixes, and have been in my queue for a while
because I've been doing the OPW internship coordination. I suspect you'll be
seeing more pull requests from me now that the intern selection process is
almost over. :)
The last two patches fix a nasty kernel crash on resume from S3 for TI hosts
that have the compliance mode quirk. Tony has confirmed that the patches fix
the issue on the effected systems.
All four patches are marked for stable.
Sarah Sharp
Since highmem PIO URB handling was introduced in:
8e8a551 usb: musb: host: Handle highmem in PIO mode
when a URB is being handled it may happen that the static use_sg flag
was set by a previous URB with buffer in highmem. This leads to error
in handling the present URB.
Fix this by making the use_sg flag URB specific.
Cc: stable <stable@vger.kernel.org> # 3.7+
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com>
Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
we never allocate a TRB pool for physical endpoints
0 and 1 so trying to free it (a invalid TRB pool pointer)
will lead us in a warning while removing dwc3.ko module.
In order to fix the situation, all we have to do is skip
dwc3_free_trb_pool() for physical endpoints 0 and 1 just
as we while deleting endpoints from the endpoints list.
Cc: stable@vger.kernel.org
Signed-off-by: George Cherian <george.cherian@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
If the glue layer is removed first (core layer later),
it deletes the phy device first, then the core device.
But at core's removal, it still uses PHY's resources, it may
cause kernel's oops. It is much like the problem
Paul Zimmerman reported at:
http://marc.info/?l=linux-usb&m=136547502011472&w=2.
Besides, it is reasonable the PHY is deleted at last as
the controller is the PHY's user.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
If the glue layer is removed first (core layer later),
it deletes the phy device first, then the core device.
But at core's removal, it still uses PHY's resources, it may
cause kernel's oops. It is much like the problem
Paul Zimmerman reported at:
http://marc.info/?l=linux-usb&m=136547502011472&w=2.
Besides, it is reasonable the PHY is deleted at last as
the controller is the PHY's user.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Some xHCI hosts contain a "redriver" from TI that silently drops port
status connect changes if the port slips into Compliance Mode. If the
port slips into compliance mode while the host is in D0, there will not
be a port status change event. If the port slips into compliance mode
while the host is in D3, the host will not send a PME. This includes
when the system is suspended (S3) or hibernated (S4).
If this happens when the system is in S3/S4, there is nothing software
can do. Other port status change events that would normally cause the
host to wake the system from S3/S4 may also be lost. This includes
remote wakeup, disconnects and connects on other ports, and overrcurrent
events. A decision was made to _NOT_ disable system suspend/hibernate
on these systems, since users are unlikely to enable wakeup from S3/S4
for the xHCI host.
Software can deal with this issue when the system is in S0. A work
around was put in to poll the port status registers for Compliance Mode.
The xHCI driver will continue to poll the registers while the host is
runtime suspended. Unfortunately, that means we can't allow the PCI
device to go into D3cold, because power will be removed from the host,
and the config space will read as all Fs.
Disable D3cold in the xHCI PCI runtime suspend function.
This patch should be backported to kernels as old as 3.2, that
contain the commit 71c731a296 "usb: host:
xhci: Fix Compliance Mode on SN65LVPE502CP Hardware"
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: Huang Ying <ying.huang@intel.com>
Cc: stable@vger.kernel.org
Commit 71c731a2 (usb: host: xhci: Fix Compliance Mode on SN65LVPE502CP
Hardware) was a workaround for systems using the SN65LVPE502CP,
controller, but it introduced a bug in resume from hibernate.
The fix created a timer, comp_mode_recovery_timer, which is deleted from
a timer list when xhci_suspend() is called. However, the hibernate image,
including the timer list containing the comp_mode_recovery_timer, had
already been saved before the timer was deleted.
Upon resume from hibernate, the list containing the comp_mode_recovery_timer
is restored from the image saved to disk, and xhci_resume(), assuming that
the timer had been deleted by xhci_suspend(), makes a call to
compliance_mode_recoery_timer_init(), which creates a new instance of the
comp_mode_recovery_timer and attempts to place it into the same list in which
it is already active, thus corrupting the list during the list_add() call.
At this point, a call trace is emitted indicating the list corruption.
Soon afterward, the system locks up, the watchdog times out, and the
ensuing NMI crashes the system.
The problem did not occur when resuming from suspend. In suspend, the
image in RAM remains exactly as it was when xhci_suspend() deleted the
comp_mode_recovery_timer, so there is no problem when xhci_resume()
creates a new instance of this timer and places it in the still empty
list.
This patch avoids the problem by deleting the timer in xhci_resume()
when resuming from hibernate. Now xhci_resume() can safely make the
call to create a new instance of this timer, whether returning from
suspend or hibernate.
Thanks to Alan Stern for his help with understanding the problem.
[Sarah reworked this patch to cover the case where the xHCI restore
register operation fails, and (temp & STS_SRE) is true (and we re-init
the host, including re-init for the compliance mode), but hibernate is
false. The original patch would have caused list corruption in this
case.]
This patch should be backported to kernels as old as 3.2, that
contain the commit 71c731a296 "usb: host:
xhci: Fix Compliance Mode on SN65LVPE502CP Hardware"
Signed-off-by: Tony Camuso <tcamuso@redhat.com>
Tested-by: Tony Camuso <tcamuso@redhat.com>
Acked-by: Don Zickus <dzickus@redhat.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@vger.kernel.org
If for whatever reason we fall into fail path in xhci_mem_init()
before bw table gets initialized we may access the uninitialized lists
in xhci_mem_cleanup().
Check for bw table before traversing lists in cleanup routine.
This patch should be backported to kernels as old as 3.2, that contain
the commit 839c817ce6 "xhci: Store
information about roothubs and TTs."
Reported-by: Sergey Dyasly <dserrg@gmail.com>
Tested-by: Sergey Dyasly <dserrg@gmail.com>
Signed-off-by: Vladimir Murzin <murzin.v@gmail.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@vger.kernel.org
It is possible that we fail on xhci_mem_init, just before doing
the INIT_LIST_HEAD, and calling xhci_mem_cleanup.
Problem is that, the list_for_each_entry_safe macro, assumes
list heads are initialized (not NULL), and dereferences their 'next'
pointer, causing a kernel panic if this is not yet initialized.
Let's protect from that by moving inits to the beginning.
This patch should be backported to kernels as old as 3.2, that
contain the commit 9574323c39 "xHCI: test
USB2 software LPM".
Signed-off-by: Sergio Aguirre <sergio.a.aguirre.rodriguez@intel.com>
Acked-by: David Cohen <david.a.cohen@intel.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@vger.kernel.org
Here are a number of tiny USB bugfixes / new device ids for 3.10-rc2
The majority of these are USB gadget fixes, but they are all small.
Other than that, some USB host controller fixes, and USB serial driver
fixes for problems reported with them.
Also hopefully a fixed up USB_OTG Kconfig dependancy, that one seems to
be almost impossible to get right for all of the different platforms
these days.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg Kroah-Hartman:
"Here are a number of tiny USB bugfixes / new device ids for 3.10-rc2
The majority of these are USB gadget fixes, but they are all small.
Other than that, some USB host controller fixes, and USB serial driver
fixes for problems reported with them.
Also hopefully a fixed up USB_OTG Kconfig dependancy, that one seems
to be almost impossible to get right for all of the different
platforms these days."
* tag 'usb-3.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (56 commits)
USB: cxacru: potential underflow in cxacru_cm_get_array()
USB: ftdi_sio: Add support for Newport CONEX motor drivers
USB: option: add device IDs for Dell 5804 (Novatel E371) WWAN card
usb: ohci: fix goto wrong tag in err case
usb: isp1760-if: fix memleak when platform_get_resource fail
usb: ehci-s5p: fix memleak when fallback to pdata
USB: serial: clean up chars_in_buffer
USB: ti_usb_3410_5052: fix chars_in_buffer overhead
USB: io_ti: fix chars_in_buffer overhead
USB: ftdi_sio: fix chars_in_buffer overhead
USB: ftdi_sio: clean up get_modem_status
USB: serial: add generic wait_until_sent implementation
USB: serial: add wait_until_sent operation
USB: set device dma_mask without reference to global data
USB: Blacklisted Cinterion's PLxx WWAN Interface
usb: option: Add Telewell TW-LTE 4G
USB: EHCI: remove bogus #error
USB: reset resume quirk needed by a hub
USB: usb-stor: realtek_cr: Fix compile error
usb, chipidea: fix link error when USB_EHCI_HCD is a module
...
The value of "offd" comes off the instance->rcv_buf[] and we used it as
the offset into an array. The problem is that we check the upper bound
but not for negative values.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
devm_ioremap_resource does sanity checks on the given resource. No need to
duplicate this in the driver.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
devm_ioremap_resource does sanity checks on the given resource. No need to
duplicate this in the driver.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
devm_ioremap_resource does sanity checks on the given resource. No need to
duplicate this in the driver.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
devm_ioremap_resource does sanity checks on the given resource. No need to
duplicate this in the driver.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Arnd Bergmann