Commit Graph

2817 Commits

Author SHA1 Message Date
Lad, Prabhakar 7a3cc46184 usb: gadget: function: f_hid: fix sparse warning
this patch fixes following sparse warning:
f_hid.c:572:30: warning: symbol 'f_hidg_fops' was not declared. Should it be static?

Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-02-23 09:21:22 -06:00
Felipe Balbi 9ec36f7fe2 usb: gadget: function: phonet: balance usb_ep_disable calls
f_phonet's ->set_alt() method will call usb_ep_disable()
potentially on an endpoint which is already disabled. That's
something the gadget/function driver must guarantee that it's
always balanced.

In order to balance the calls, just make sure the endpoint
was enabled before by means of checking the validity of
driver_data.

Reported-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-02-23 00:18:52 -06:00
Linus Torvalds b11a278397 Merge branch 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kconfig updates from Michal Marek:
 "Yann E Morin was supposed to take over kconfig maintainership, but
  this hasn't happened.  So I'm sending a few kconfig patches that I
  collected:

   - Fix for missing va_end in kconfig
   - merge_config.sh displays used if given too few arguments
   - s/boolean/bool/ in Kconfig files for consistency, with the plan to
     only support bool in the future"

* 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  kconfig: use va_end to match corresponding va_start
  merge_config.sh: Display usage if given too few arguments
  kconfig: use bool instead of boolean for type definition attributes
2015-02-19 10:36:45 -08:00
Linus Torvalds c6b1de1b64 Merge branch 'debugfs_automount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull debugfs patches from Al Viro:
 "debugfs patches, mostly to make it possible for something like tracefs
  to be transparently automounted on given directory in debugfs.

  New primitive in there is debugfs_create_automount(name, parent, func,
  arg), which creates a directory and makes its ->d_automount() return
  func(arg).  Another missing primitive was debugfs_create_file_size() -
  open-coded in quite a few places.  Dave's patch adds it and converts
  the open-code instances to calling it"

* 'debugfs_automount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  debugfs: Provide a file creation function that also takes an initial size
  new primitive: debugfs_create_automount()
  debugfs: split end_creating() into success and failure cases
  debugfs: take mode-dependent parts of debugfs_get_inode() into callers
  fold debugfs_mknod() into callers
  fold debugfs_create() into caller
  fold debugfs_mkdir() into caller
  debugfs_mknod(): get rid useless arguments
  fold debugfs_link() into caller
  debugfs: kill __create_file()
  debugfs: split the beginning and the end of __create_file() off
  debugfs_{mkdir,create,link}(): get rid of redundant argument
2015-02-17 15:18:19 -08:00
Linus Torvalds 18656782a8 ARM: SoC driver updates
These are changes for drivers that are intimately tied to some SoC
 and for some reason could not get merged through the respective
 subsystem maintainer tree.
 
 This time around, much of this is for at91, with the bulk of it being syscon
 and udc drivers.
 
 Also, there's:
 - coupled cpuidle support for Samsung Exynos4210
 - Renesas 73A0 common-clk work
 - of/platform changes to tear down DMA mappings on device destruction
 - a few updates to the TI Keystone knav code
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Merge tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Olof Johansson:
 "These are changes for drivers that are intimately tied to some SoC and
  for some reason could not get merged through the respective subsystem
  maintainer tree.

  This time around, much of this is for at91, with the bulk of it being
  syscon and udc drivers.

  Also, there's:
   - coupled cpuidle support for Samsung Exynos4210
   - Renesas 73A0 common-clk work
   - of/platform changes to tear down DMA mappings on device destruction
   - a few updates to the TI Keystone knav code"

* tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (26 commits)
  cpuidle: exynos: add coupled cpuidle support for exynos4210
  ARM: EXYNOS: apply S5P_CENTRAL_SEQ_OPTION fix only when necessary
  soc: ti: knav_qmss_queue: change knav_range_setup_acc_irq to static
  soc: ti: knav_qmss_queue: makefile tweak to build as dynamic module
  pcmcia: at91_cf: depend on !ARCH_MULTIPLATFORM
  soc: ti: knav_qmss_queue: export API calls for use by user driver
  of/platform: teardown DMA mappings on device destruction
  usb: gadget: at91_udc: Allocate udc instance
  usb: gadget: at91_udc: Update DT binding documentation
  usb: gadget: at91_udc: Rework for multi-platform kernel support
  usb: gadget: at91_udc: Simplify probe and remove functions
  usb: gadget: at91_udc: Remove non-DT handling code
  usb: gadget: at91_udc: Document DT clocks and clock-names property
  usb: gadget: at91_udc: Drop uclk clock
  usb: gadget: at91_udc: Fix clock names
  mfd: syscon: Add Atmel SMC binding doc
  mfd: syscon: Add atmel-smc registers definition
  mfd: syscon: Add Atmel Matrix bus DT binding documentation
  mfd: syscon: Add atmel-matrix registers definition
  clk: shmobile: fix sparse NULL pointer warning
  ...
2015-02-17 09:38:59 -08:00
David Howells e59b4e9187 debugfs: Provide a file creation function that also takes an initial size
Provide a file creation function that also takes an initial size so that the
caller doesn't have to set i_size, thus meaning that we don't have to call
deal with ->d_inode in the callers.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-02-17 12:21:51 -05:00
Linus Torvalds e29876723f USB patches for 3.20-rc1
Here's the big pull request for the USB driver tree for 3.20-rc1.
 
 Nothing major happening here, just lots of gadget driver updates, new
 device ids, and a bunch of cleanups.
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB patches from Greg KH:
 "Here's the big pull request for the USB driver tree for 3.20-rc1.

  Nothing major happening here, just lots of gadget driver updates, new
  device ids, and a bunch of cleanups.

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'usb-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (299 commits)
  usb: musb: fix device hotplug behind hub
  usb: dwc2: Fix a bug in reading the endpoint directions from reg.
  staging: emxx_udc: fix the build error
  usb: Retry port status check on resume to work around RH bugs
  Revert "usb: Reset USB-3 devices on USB-3 link bounce"
  uhci-hub: use HUB_CHAR_*
  usb: kconfig: replace PPC_OF with PPC
  ehci-pci: disable for Intel MID platforms (update)
  usb: gadget: Kconfig: use bool instead of boolean
  usb: musb: blackfin: remove incorrect __exit_p()
  USB: fix use-after-free bug in usb_hcd_unlink_urb()
  ehci-pci: disable for Intel MID platforms
  usb: host: pci_quirks: joing string literals
  USB: add flag for HCDs that can't receive wakeup requests (isp1760-hcd)
  USB: usbfs: allow URBs to be reaped after disconnection
  cdc-acm: kill unnecessary messages
  cdc-acm: add sanity checks
  usb: phy: phy-generic: Fix USB PHY gpio reset
  usb: dwc2: fix USB core dependencies
  usb: renesas_usbhs: fix NULL pointer dereference in dma_release_channel()
  ...
2015-02-15 10:24:55 -08:00
Linus Torvalds 7796c11c72 xilinx usb2 gadget: get rid of incredibly annoying compile warning
This one was driving me mad, with several lines of warnings during the
allmodconfig build for a single bogus pointer cast.  The warning was so
verbose due to the indirect macro expansion explanation, and the whole
thing was just for a debug printout.

The bogus pointer-to-integer cast was pointless anyway, so just remove
it, and use '%p' to show the pointer.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-02-11 10:52:56 -08:00
Christoph Jaeger 8333d3cd06 usb: gadget: Kconfig: use bool instead of boolean
Keyword 'boolean' for type definition attributes is considered
deprecated and, therefore, should not be used anymore.

See http://lkml.kernel.org/r/cover.1418003065.git.cj@linux.com
See http://lkml.kernel.org/r/1419108071-11607-1-git-send-email-cj@linux.com

Signed-off-by: Christoph Jaeger <cj@linux.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-02-02 14:58:10 -06:00
Peter Chen 3f6dd4feda usb: udc-core: add is_selfpowered sys entry
The user can read it through sys entry.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-29 10:35:48 -06:00
Peter Chen 716013b0ab usb: gadget: pch_udc: set value for common is_selfpowered
Set value for common is_selfpowered.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-29 10:35:36 -06:00
Peter Chen d618c368ef usb: gadget: atmel_usba_udc: set value for common is_selfpowered
Set value for common is_selfpowered.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-29 10:35:32 -06:00
Peter Chen d4a1c47946 usb: gadget: net2272: use common is_selfpowered
Delete private selfpowered variable, and use common one.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-29 10:35:27 -06:00
Peter Chen b3764dd1a3 usb: gadget: s3c2410_udc: set value for common is_selfpowered
Set value for common is_selfpowered.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-29 10:35:23 -06:00
Peter Chen c8678d9f28 usb: gadget: net2280: use common is_selfpowered
Delete private selfpowered variable, and use common one.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-29 10:35:18 -06:00
Peter Chen 0bcff9eaa8 usb: gadget: r8a66597-udc: set value for common is_selfpowered
Set value for common is_selfpowered.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-29 10:35:13 -06:00
Peter Chen 58ae8e0b14 usb: gadget: omap_udc: set value for common is_selfpowered
Set value for common is_selfpowered.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-29 10:35:04 -06:00
Peter Chen 4651fcf329 usb: gadget: fsl_udc_core: set value for common is_selfpowered
fsl udc core assumes itself always self powered, so set is_selfpowered
is 1.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-29 10:34:25 -06:00
Peter Chen d60d939221 usb: gadget: lpc32xx_udc: use common is_selfpowered
Delete private selfpowered variable, and use common one.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-29 10:34:18 -06:00
Peter Chen 5d9cb6afc4 usb: gadget: dummy_hcd: set value for common is_selfpowered
Set value for common is_selfpowered.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-29 10:33:01 -06:00
Peter Chen 4605437e33 usb: gadget: bdc_udc: set value for common is_selfpowered
Set value for common is_selfpowered.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-29 10:32:54 -06:00
Peter Chen 7301971f50 usb: gadget: at91_udc: use common is_selfpowered
Delete private selfpowered variable, and use common one.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-29 10:32:45 -06:00
Andrzej Pietrasiewicz 578d0b6b61 usb: gadget: uvc: comments for iterating over streaming hierarchy
The purpose of the functions and their parametrs might not be obvious
to the reader, so explain it.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27 10:00:27 -06:00
Andrzej Pietrasiewicz 727968357e usb: gadget: uvc: use explicit type instead of void *
The first parameter of __uvcg_iter_strm_cls() is always used in
the context of struct uvcg_streaming_header, so change the
function prototype accordingly.

Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27 10:00:21 -06:00
Laurent Pinchart 7ef077a8ad usb: isp1760: Move driver from drivers/usb/host/ to drivers/usb/isp1760/
Now that this is DRD, it doesn't make sense to keep it under
drivers/usb/host.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27 09:39:38 -06:00
Laurent Pinchart 0316ca6319 usb: isp1760: Add device controller support
The ISP1761 is a dual-mode host and device controller backward
compatible on the host side with the ISP1760. Add support for the device
controller.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27 09:39:35 -06:00
Asaf Vertz 9fdd84d23c usb: gadget: zero: fix format string warnings
Fixed the following warnings (reported by cppcheck):
[drivers/usb/gadget/function/f_sourcesink.c:1217]: (warning) %d in format string (no. 1)
requires 'int' but the argument type is 'unsigned int'.
[drivers/usb/gadget/function/f_sourcesink.c:1261]: (warning) %d in format string (no. 1)
requires 'int' but the argument type is 'unsigned int'.
[drivers/usb/gadget/function/f_sourcesink.c:1305]: (warning) %d in format string (no. 1)
requires 'int' but the argument type is 'unsigned int'.
[drivers/usb/gadget/function/f_sourcesink.c:1349]: (warning) %d in format string (no. 1)
requires 'int' but the argument type is 'unsigned int'.
[drivers/usb/gadget/function/f_sourcesink.c:1393]: (warning) %d in format string (no. 1)
requires 'int' but the argument type is 'unsigned int'.
[drivers/usb/gadget/function/f_sourcesink.c:1437]: (warning) %d in format string (no. 1)
requires 'int' but the argument type is 'unsigned int'.
[drivers/usb/gadget/function/f_sourcesink.c:1476]: (warning) %d in format string (no. 1)
requires 'int' but the argument type is 'unsigned int'.
[drivers/usb/gadget/function/f_sourcesink.c:1520]: (warning) %d in format string (no. 1)
requires 'int' but the argument type is 'unsigned int'.
[drivers/usb/gadget/function/f_sourcesink.c:1564]: (warning) %d in format string (no. 1)
requires 'int' but the argument type is 'unsigned int'.
[drivers/usb/gadget/function/f_sourcesink.c:1608]: (warning) %d in format string (no. 1)
requires 'int' but the argument type is 'unsigned int'

Reviewed-by: Amit Virdi <amit.virdi@st.com>
Signed-off-by: Asaf Vertz <asaf.vertz@tandemg.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27 09:34:59 -06:00
Robert Baldyga 5e33f6fdf7 usb: gadget: ffs: add eventfd notification about ffs events
Add eventfd which notifies userspace about ep0 events and AIO completion
events. It simplifies using of FunctionFS with event loop, because now
we need to poll on single file (instead of polling on ep0 and eventfd's
supplied to AIO layer).

FunctionFS eventfd is not triggered if another eventfd is supplied to
AIO layer (in AIO request). It can be useful, for example, when we want
to handle AIO transations for chosen endpoint in separate thread.

Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27 09:34:59 -06:00
Mario Schuknecht acba23fec5 usb: gadget: f_fs: Fix loop variable
Use if-loop variable 'epfile' instead of start variable 'epfiles'. Now the
correct endpoint file name is stored.

Signed-off-by: Mario Schuknecht <mario.schuknecht@dresearch-fe.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27 09:34:59 -06:00
Mario Schuknecht df6738d0d2 usb: gadget: Fix os desc test
USB vendor type is encoded in field bmRequestType. Make test USB_TYPE_VENDOR
with bRequestType instead of bRequest.

Signed-off-by: Mario Schuknecht <mario.schuknecht@dresearch-fe.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27 09:34:58 -06:00
Sergei Shtylyov d906d61cf8 usb: dummy_hcd: use HUB_CHAR_*
Fix  using the  bare numbers to set the 'wHubCharacteristics' field of the Hub
Descriptor while the values are #define'd in <linux/usb/ch11.h>.

Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-19 12:56:38 -06:00
Andrzej Pietrasiewicz 06ab8b04d2 usb: gadget: uvc: preserve the address passed to kfree()
__uvcg_fill_strm() called from __uvcg_iter_stream_cls()
might have advanced the "data" even if __uvcg_iter_stream_cls()
returns an error, so use a backup copy as an argument to kfree().

Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-19 12:54:22 -06:00
Andy Shevchenko 27f387059b usb: gadget: ethernet: re-use %pM specifier to print MAC
Instead of custom approach the patch converts code to use %pM specifier to
print MAC.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-19 12:53:32 -06:00
Dan Carpenter 3c4c733ca9 usb: gadget: uvc: cleanup UVCG_FRAME_ATTR macro
1) Change "conv" an "vnoc" to "to_cpu_endian" to "to_little_endian".
2) No need to check the "limit" because that is already handled in
   kstrtoXX so delete that parameter along with the check.
3) By using a "bits" parameter, we can combine the "uxx" parameter and
   the "str2u" parameters.
4) The kstrtou##bits() conversion does not need to be done under the
   mutex so move it to the start of the function.
5) Change the name of "identity_conv" to "noop_conversion".

Acked-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-19 12:53:31 -06:00
Dan Carpenter c5b2dc68a7 usb: gadget: uvc: memory leak in uvcg_frame_make()
We need to add a kfree(h) on an error path.

Acked-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-19 12:53:31 -06:00
Dan Carpenter ceeb010ba2 usb: gadget: uvc: remove an impossible condition
"num" is a u32 so "(num > 0xFFFFFFFF)" is never true.  Also the range
is already checked in kstrtou32().

Acked-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-19 12:53:31 -06:00
Dan Carpenter df90f83819 usb: gadget: uvc: fix some error codes
We're basically saying ERR_CAST(NULL) and PTR_ERR(NULL) here, which is
nonsensical.

Acked-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-19 10:10:19 -06:00
Felipe Balbi d1fc4440d7 Linux 3.19-rc5
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Merge tag 'v3.19-rc5' into next

Linux 3.19-rc5

Conflicts:
	drivers/usb/dwc2/gadget.c
	drivers/usb/gadget/udc/bdc/bdc_ep.c
2015-01-19 09:57:20 -06:00
Robert Baldyga 18d6b32fca usb: gadget: f_fs: add "no_disconnect" mode
Since we can compose gadgets from many functions, there is the problem
related to gadget breakage while FunctionFS daemon being closed. FFS
function is userspace code so there is no way to know when it will close
files (it doesn't matter what is the reason of this situation, it can
be daemon logic, program breakage, process kill or any other). So when
we have another function in gadget which, for example, sends some amount
of data, does some software update or implements some real-time functionality,
we may want to keep the gadget connected despite FFS function is no longer
functional.

We can't just remove one of functions from gadget since it has been
enumerated, so the only way to keep entire gadget working is to make
broken FFS function deactivated but still visible to host. For this
purpose this patch introduces "no_disconnect" mode. It can be enabled
by setting mount option "no_disconnect=1", and results with defering
function disconnect to the moment of reopen ep0 file or filesystem
unmount. After closing all endpoint files, FunctionFS is set to state
FFS_DEACTIVATED.

When ffs->state == FFS_DEACTIVATED:
- function is still bound and visible to host,
- setup requests are automatically stalled,
- transfers on other endpoints are refused,
- epfiles, except ep0, are deleted from the filesystem,
- opening ep0 causes the function to be closed, and then FunctionFS
  is ready for descriptors and string write,
- altsetting change causes the function to be closed - we want to keep
  function alive until another functions are potentialy used, altsetting
  change means that another configuration is being selected or USB cable
  was unplugged, which indicates that we don't need to stay longer in
  FFS_DEACTIVATED state
- unmounting of the FunctionFS instance causes the function to be closed.

Tested-by: David Cohen <david.a.cohen@linux.intel.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-15 09:41:50 -06:00
kbuild test robot f093a2d465 usb: gadget: uvc: to_uvcg_control_header() can be static
drivers/usb/gadget/function/uvc_configfs.c:46:28: sparse: symbol 'to_uvcg_control_header' was not declared. Should it be static?
drivers/usb/gadget/function/uvc_configfs.c:138:25: sparse: symbol 'uvcg_control_header_type' was not declared. Should it be static?
drivers/usb/gadget/function/uvc_configfs.c:164:6: sparse: symbol 'uvcg_control_header_drop' was not declared. Should it be static?
drivers/usb/gadget/function/uvc_configfs.c:721:20: sparse: symbol 'to_uvcg_format' was not declared. Should it be static?
drivers/usb/gadget/function/uvc_configfs.c:798:30: sparse: symbol 'to_uvcg_streaming_header' was not declared. Should it be static?
drivers/usb/gadget/function/uvc_configfs.c:950:25: sparse: symbol 'uvcg_streaming_header_type' was not declared. Should it be static?
drivers/usb/gadget/function/uvc_configfs.c:976:6: sparse: symbol 'uvcg_streaming_header_drop' was not declared. Should it be static?
drivers/usb/gadget/function/uvc_configfs.c:1020:19: sparse: symbol 'to_uvcg_frame' was not declared. Should it be static?
drivers/usb/gadget/function/uvc_configfs.c:1265:25: sparse: symbol 'uvcg_frame_type' was not declared. Should it be static?
drivers/usb/gadget/function/uvc_configfs.c:1315:6: sparse: symbol 'uvcg_frame_drop' was not declared. Should it be static?
drivers/usb/gadget/function/uvc_configfs.c:1338:26: sparse: symbol 'to_uvcg_uncompressed' was not declared. Should it be static?
drivers/usb/gadget/function/uvc_configfs.c:1548:25: sparse: symbol 'uvcg_uncompressed_type' was not declared. Should it be static?
drivers/usb/gadget/function/uvc_configfs.c:1586:6: sparse: symbol 'uvcg_uncompressed_drop' was not declared. Should it be static?
drivers/usb/gadget/function/uvc_configfs.c:1610:19: sparse: symbol 'to_uvcg_mjpeg' was not declared. Should it be static?
drivers/usb/gadget/function/uvc_configfs.c:1761:25: sparse: symbol 'uvcg_mjpeg_type' was not declared. Should it be static?
drivers/usb/gadget/function/uvc_configfs.c:1793:6: sparse: symbol 'uvcg_mjpeg_drop' was not declared. Should it be static?

Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-15 09:41:49 -06:00
Ricardo Ribalda Delgado fc12c68b4f usb: gadget: net2280: Dont use 0 as NULL pointer
Fix sparse warning

Fixes: cb442ee159 (usb: gadget: udc: net2280: Re-enable dynamic debug messages)
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-15 09:41:49 -06:00
Peter Chen c76abecc42 usb: gadget: u_uac1: fix one code style problem
Fix one code style problem.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-15 09:41:48 -06:00
Peter Chen 3703cfe782 usb: gadget: uac1: struct gaudio is useless for struct f_uac1_opts
Since we call gaudio_cleanup at f_audio_free, the f_uac1_opts
doesn't need to use gaudio any more.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-15 09:41:48 -06:00
Boris Brezillon a5514d142e usb: gadget: at91_udc: Allocate udc instance
Allocate udc structure instead of relying on the statically declared
object.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2015-01-15 14:53:23 +01:00
Boris Brezillon f0bceab4e3 usb: gadget: at91_udc: Rework for multi-platform kernel support
cpu_is_at91xxx are a set of macros defined in mach/cpu.h and are here used
to detect the SoC we are booting on.
Use compatible string + a caps structure to replace those cpu_is_xxx tests.

Remove all mach and asm headers (which are now unused).

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2015-01-15 14:52:07 +01:00
Boris Brezillon 422cde259a usb: gadget: at91_udc: Simplify probe and remove functions
Make use of devm_ functions to simplify probe and remove code.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2015-01-15 14:52:06 +01:00
Boris Brezillon 9f00fc1dae usb: gadget: at91_udc: Remove non-DT handling code
Since non-DT board support has been removed from the at91 architecture we
can safely remove non-DT handling code.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2015-01-15 14:52:06 +01:00
Boris Brezillon 9aa0216550 usb: gadget: at91_udc: Drop uclk clock
Now that at91 system clocks forward set_rate request to their parent we
can remove the uclk clock and directly call clk_set_rate on fclk.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2015-01-15 14:35:13 +01:00
Boris Brezillon 7923540385 usb: gadget: at91_udc: Fix clock names
The driver is requesting clock by their global name (those declared in the
clk_lookup list), but this only works with !CCF kernels.

Now that all SoCs have moved to CCF, fix the driver to use local names
(hclk and pclk).

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2015-01-15 14:35:13 +01:00
Greg Kroah-Hartman 06087cb42d usb: fixes for v3.19-rc5
Just three fixes this time. An oops fix in ep_write() from gadgetfs,
 another oops for the Atmel UDC when unloading a gadget driver and
 the fix for PHY deferred probing.
 
 Signed-off-by: Felipe Balbi <balbi@ti.com>
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Merge tag 'fixes-for-v3.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus

Felipe writes:

usb: fixes for v3.19-rc5

Just three fixes this time. An oops fix in ep_write() from gadgetfs,
another oops for the Atmel UDC when unloading a gadget driver and
the fix for PHY deferred probing.

Signed-off-by: Felipe Balbi <balbi@ti.com>

Conflicts:
	drivers/usb/phy/phy.c
2015-01-12 10:51:04 -08:00