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* USB: gadget: cdc-acm deadlock fixDavid Brownell2008-11-131-0/+4
| | | | | | | | | | | | | | | | | | | | This fixes a deadlock appearing with some USB peripheral drivers when running CDC ACM gadget code. The newish (2.6.27) CDC ACM event notification mechanism sends messages (IN to the host) which are short enough to fit in most FIFOs. That means that with some peripheral controller drivers (evidently not the ones used to verify the notification code!!) the completion callback can be issued before queue() returns. The deadlock would come because the completion callback and the event-issuing code shared a spinlock. Fix is trivial: drop that lock while queueing the message. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* saner FASYNC handling on file closeAl Viro2008-11-011-1/+0
| | | | | | | | | | | | | | As it is, all instances of ->release() for files that have ->fasync() need to remember to evict file from fasync lists; forgetting that creates a hole and we actually have a bunch that *does* forget. So let's keep our lives simple - let __fput() check FASYNC in file->f_flags and call ->fasync() there if it's been set. And lose that crap in ->release() instances - leaving it there is still valid, but we don't have to bother anymore. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* USB: Fix unneeded endpoint check in pxa27x_udcRobert Jarzmik2008-10-221-1/+1
| | | | | | | | | | | | | The request allocation code doesn't need to check if the endpoint is not NULL, as the only caller in include/linux/usb/gadget.h, usb_ep_alloc_request() needs the endpoint pointer to have a correct value to trigger the allocation code. Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb/gadget: fix kernel-doc warningRandy Dunlap2008-10-221-1/+1
| | | | | | | | | | | Fix kernel-doc warning, wrong parameter name listed: Warning(lin2627-g3-kdocfixes//drivers/usb/gadget/config.c:183): No description found for parameter 'match' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Acked-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: Fix debugfs_create_file's error checking method for usb/gadget/s3c2410_udcZhaolei2008-10-221-5/+2
| | | | | | | | | debugfs_create_file() returns NULL if an error occurs, returns -ENODEV when debugfs is not enabled in the kernel. Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb/fsl_qe_udc: clear data toggle on clear halt requestLi Yang2008-10-171-0/+4
| | | | | | | | Fix to comply with USB spec. Signed-off-by: Li Yang <leoli@freescale.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb/fsl_qe_udc: fix response to get status requestLi Yang2008-10-172-34/+68
| | | | | | | | | | | The original code didn't respond correctly to get status request on device and endpoint. Although normal operations can work without the fix. It is not compliant with USB spec chapter9 and fails USBCV ch9 tests. The patch fix this and a few style/typo problems. Signed-off-by: Li Yang <leoli@freescale.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* fsl_usb2_udc: Fix oops on probe failure.Will Newton2008-10-171-15/+17
| | | | | | | | | | | | | In some circumstances when fsl_udc_probe fails udc_controller is freed but the pointer remains non-NULL. fsl_udc_remove will then try and teardown the partly initialized and freed controller structure resulting in an oops. This patch ensures udc_controller is either NULL or fully initialized after fsl_udc_probe. Signed-off-by: Will Newton <will.newton@gmail.com> Acked-by: Li Yang <leoli@freescale.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* fsl_usb2_udc: Add a wmb before priming endpoint.Will Newton2008-10-171-0/+3
| | | | | | | | | | | | Add a wmb to fsl_queue_td before priming the endpoint. This ensures that the modifications to the QH are seen by the hardware. Added comment as suggested by Felipe Balbi. Signed-off-by: Will Newton <will.newton@gmail.com> Acked-by: Li Yang <leoli@freescale.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* fsl_usb2_udc: Make fsl_queue_td return type void.Will Newton2008-10-171-14/+5
| | | | | | | | | | fsl_queue_td always returns 0. Make it void and remove checks for non-zero return in callers. Signed-off-by: Will Newton <will.newton@gmail.com> Acked-by: Li Yang <leoli@freescale.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* fsl_usb2_udc: Uninline udc_reset_ep_queue.Will Newton2008-10-171-7/+3
| | | | | | | | | Uninline udc_reset_ep_queue and remove it's unused return value. Signed-off-by: Will Newton <will.newton@gmail.com> Acked-by: Li Yang <leoli@freescale.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* fsl_usb2_udc: Rename the arguments of the fsl_writel macro.Will Newton2008-10-171-4/+2
| | | | | | | | | | Rename the arguments of the fsl_writel macro to match their use. Remove a couple of unnecessary prototypes. Signed-off-by: Will Newton <will.newton@gmail.com> Acked-by: Li Yang <leoli@freescale.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* fsl_usb2_udc: Initialize spinlock earlier.Will Newton2008-10-171-1/+3
| | | | | | | | | | Move spinlock initialization earlier so we can turn shared irq handler debugging on safely. Signed-off-by: Will Newton <will.newton@gmail.com> Acked-by: Li Yang <leoli@freescale.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* fsl_usb2_udc: Clean up whitespace in /proc debugging output.Will Newton2008-10-171-17/+18
| | | | | | | | | | Missing spaces were causing the /proc debugging output to be rather unreadable. Signed-off-by: Will Newton <will.newton@gmail.com> Acked-by: Li Yang <leoli@freescale.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* fsl_usb2_udc: Clean up whitespace in errors and warnings.Will Newton2008-10-171-18/+18
| | | | | | | | | VDBG always outputs a trailing \n. Signed-off-by: Will Newton <will.newton@gmail.com> Acked-by: Li Yang <leoli@freescale.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* fsl_usb2_udc: Fix some sparse warnings and remove redundant code.Will Newton2008-10-172-38/+11
| | | | | | | | | | | | Fix some sparse "integer used as NULL pointer" warnings. Remove some unnecessary volatiles and static initialization. Remove some unused struct members and reorder to improve packing. Remove a few unneeded includes. Signed-off-by: Will Newton <will.newton@gmail.com> Acked-by: Li Yang <leoli@freescale.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* fsl_usb2_udc: Remove check for udc == NULL in dr_controller_setup.Will Newton2008-10-171-4/+0
| | | | | | | | | | Remove check for udc == NULL in dr_controller_setup. All callers of this function have already dereferenced udc at some point. Signed-off-by: Will Newton <will.newton@gmail.com> Acked-by: Li Yang <leoli@freescale.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* fsl_usb2_udc: Make dr_ep_setup function static.Will Newton2008-10-171-1/+2
| | | | | | | | | Make dr_ep_setup function static as it's never used outside this file. Signed-off-by: Will Newton <will.newton@gmail.com> Acked-by: Li Yang <leoli@freescale.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb gadget: cdc ethernet notification bugfixDavid Brownell2008-10-171-0/+7
| | | | | | | | | | | | | | | | Bugfix for the new CDC Ethernet code: as part of activating the network interface's USB link, make sure its link management code knows whether the interface is open or not. Without this fix, the link won't work right when it's brought up before the link is active ... because the initial notification it sends will have the wrong link state (down, not up). Makes it hard to bridge these links (on the host side), among other things. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: stable <stable@kernel.org> [2.6.27] Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: omap_udc: sync with OMAP treeTony Lindgren2008-10-172-1/+8
| | | | | | | | | | | | | Sync up USB parts of the omap_udc support in mainline with the OMAP tree. This patch addresses some OMAP2 differences ... there's another, with respect to the double-buffering issue with PIO-IN in omap_ep_setup() (which is now out of sync with the comments), but it's not clear right now how to address that. From: Tony Lindgren <tony@atomide.com> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: Fix s3c2410_udc usb speed handlingYauhen Kharuzhy2008-10-171-1/+1
| | | | | | | | | | | | | | | The new composite framework revealed a weakness in the s3c2410_udc driver gadget register function. Instead of checking if speed asked for was USB_LOW_SPEED upon usb_gadget_register() to deny service, it checked only for USB_FULL_SPEED, thus denying service to usb high speed capable gadgets (like g_ether). Signed-off-by: Yauhen Kharuzhy <jekhor@gmail.com> Cc: stable <stable@kernel.org> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb gadget: USB_GADGET_VBUS_DRAW Kconfig optionDavid Brownell2008-10-1710-15/+25
| | | | | | | | | | | | | | | | | | Offer a "how much VBUS power to request" configuration option for USB gadgets that aren't using board-specific customization of their gadget or (composite) configuration drivers. Also remove a couple pointless "depends on USB_GADGET" bits from the Kconfig text; booleans inside an "if USB_GADGET" will already have that dependency. Based on a patch from Justin Clacherty. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: Justin Clacherty <justin@redfish-group.com> Tested-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb: gadget: workaround storage command size issuesFelipe Balbi2008-10-171-4/+17
| | | | | | | | | | Try to workaround issues with bad SCSI implementations by ignoring the command size error. Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: g_printer: fix handling zero-length packetSangSu Park2008-10-171-2/+1
| | | | | | | | | | | | | g_printer doesn't have to check whether the data size is a multiple of MaxPacketSize, because device controller driver already make that check. Signed-off-by: SangSu Park<sangsu@gmail.com> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: David Brownell <david-b@pacbell.net> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb: add Freescale QE/CPM USB peripheral controller driverLi Yang2008-10-175-0/+3188
| | | | | | | | | | | | | | | Some of Freescale SoC chips have a QE or CPM co-processor which supports full speed USB. The driver adds device mode support of both QE and CPM USB controller to Linux USB gadget. The driver is tested with MPC8360 and MPC8272, and should work with other models having QE/CPM given minor tweaks. Signed-off-by: Xie Xiaobo <X.Xie@freescale.com> Signed-off-by: Li Yang <leoli@freescale.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: remove unused #include <version.h>Huang Weiyi2008-10-171-1/+0
| | | | | | | | | | | The driver(s) below do not use LINUX_VERSION_CODE nor KERNEL_VERSION. drivers/usb/gadget/pxa27x_udc.c This patch removes the said #include <version.h>. Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb gadget: defer obex enumerationDavid Brownell2008-10-171-7/+54
| | | | | | | | | | | | Some USB peripheral controller drivers support software control over the data pullup. Use those controls to prevent the OBEX function from enumerating until the userspace server has opened the /dev/ttyGS* node it will use to implement protocol chitchat with the USB host. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb gadget: cdc obex glueFelipe Balbi2008-10-174-2/+467
| | | | | | | | | | | | | The following patch introduces a new f_obex.c function driver. It allows userspace obex servers to use usb as transport layer for their messages. [ dbrownell@users.sourceforge.net: various fixes and cleanups ] Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb gadget: function activation/deactivationDavid Brownell2008-10-171-0/+64
| | | | | | | | | | | | | | | | Add a new mechanism to the composite gadget framework, letting functions deactivate (and reactivate) themselves. Think of it as a refcounted wrapper for the software pullup control. A key example of why to use this mechanism involves functions that require a userspace daemon. Those functions shuld use this new mechanism to prevent the gadget from enumerating until those daemons are activated. Without this mechanism, hosts would see devices that malfunction until the relevant daemons start. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: gadget: net2280: implement set_wedgeAlan Stern2008-10-172-6/+35
| | | | | | | | | | | This patch (as1132) implements the set_wedge() method for net2280. This method is necessary for strict USBCV compliance in g_file_storage. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> CC: David Brownell <david-b@pacbell.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: gadget: dummy_hcd: implement set_wedgeAlan Stern2008-10-171-6/+27
| | | | | | | | | | This patch (as1131) implements the set_wedge() method for dummy_hcd. This method is necessary for strict USBCV compliance in g_file_storage. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb: gadget Kconfig cleanupDavid Brownell2008-10-171-121/+144
| | | | | | | | | | This reorders the list of USB peripheral controller drivers so it's more common for the initial (default) value to be relevant: put the SOC integrated silicon up front, discrete stuff last. Alphabetize. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb gadget: link fixes for network gadgetDavid Brownell2008-10-165-145/+158
| | | | | | | | | | | | | | Change how the Ethernet/RNDIS gadget driver builds: don't use separate compilation, since it works poorly when key parts are library code (with init sections etc). Instead be as close as we can to "gcc --combine ...". This is a bit more complicated than most of the others because it had to resolve a few symbol collisions. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb gadget: link fixes for cdc composite gadgetDavid Brownell2008-10-163-6/+26
| | | | | | | | | | | Change how the CDC Composite gadget driver builds: don't use separate compilation, since it works poorly when key parts are library code (with init sections etc). Instead be as close as we can to "gcc --combine ...". Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb gadget: link fixes for storage gadgetDavid Brownell2008-10-162-2/+13
| | | | | | | | | | | Change how the file storage gadget driver builds: don't use separate compilation, since it works poorly when key parts are library code (with init sections etc). Instead be as close as we can to "gcc --combine ...". Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb gadget: link fixes for printer gadgetDavid Brownell2008-10-162-2/+15
| | | | | | | | | | | Change how the printer gadget driver builds: don't use separate compilation, since it works poorly when key parts are library code (with init sections etc). Instead be as close as we can to "gcc --combine ...". Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb gadget: link fixes for MIDI gadgetDavid Brownell2008-10-162-1/+16
| | | | | | | | | | | Change how the MIDI gadget driver builds: don't use separate compilation, since it works poorly when key parts are library code (with init sections etc). Instead be as close as we can to "gcc --combine ...". Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb gadget: link fixes for gadget zeroDavid Brownell2008-10-163-17/+36
| | | | | | | | | | | Change how the Gadget Zero driver builds: don't use separate compilation, since it works poorly when key parts are library code (with init sections etc). Instead be as close as we can to "gcc --combine ...". Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb gadget: link fixes for serial gadgetDavid Brownell2008-10-162-1/+19
| | | | | | | | | | | Change how the serial gadget driver builds: don't use separate compilation, since it works poorly when key parts are library code (with init sections etc). Instead be as close as we can to "gcc --combine ...". Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* device create: usb: convert device_create_drvdata to device_createGreg Kroah-Hartman2008-10-161-2/+2
| | | | | | | | Now that device_create() has been audited, rename things back to the original call to be sane. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: fsl_usb2_udc: fix VDBG() format stringPeter Korsgaard2008-09-231-1/+1
| | | | | | | | | | | | Fixes: drivers/usb/gadget/fsl_usb2_udc.c: In function 'dr_controller_setup': drivers/usb/gadget/fsl_usb2_udc.c:229: warning: format '%p' expects type 'void *', but argument 3 has type 'int' Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb gadget: fix omap_udc DMA regressionDavid Brownell2008-09-231-2/+2
| | | | | | | | | | | | This resolves another regression caused by the "use omap_read/write instead of __REG" patch: the hardware address used for DMA to/from the UDC became wrong. Bug noted by Russell King. Reported-by: Russell King <rmk@arm.linux.org.uk> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Acked-by: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* removed unused #include <linux/version.h>'sAdrian Bunk2008-08-232-2/+0
| | | | | | | | This patch lets the files using linux/version.h match the files that #include it. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* USB: Fix pxa27x_udc usb speed handling.Robert Jarzmik2008-08-211-1/+1
| | | | | | | | | | | | | | The new composite framework revealed a weakness in the pxa27x_udc driver gadget register function. Instead of checking if speed asked for was USB_LOW_SPEED upon usb_gadget_register() to deny service, it checked only for USB_FULL_SPEED, thus denying service to usb high speed capable gadgets (like g_ether). Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: Add MUSB and TUSB supportFelipe Balbi2008-08-141-0/+10
| | | | | | | | | | | | | This patch adds support for MUSB and TUSB controllers integrated into omap2430 and davinci. It also adds support for external tusb6010 controller. Cc: David Brownell <dbrownell@users.sourceforge.net> Cc: Tony Lindgren <tony@atomide.com> Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: omap_udc: fix compilation with debug enabledDmitry Baryshkov2008-08-141-2/+3
| | | | | | | Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com> Acked-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb gadget: issue notifications from ACM functionDavid Brownell2008-08-143-27/+235
| | | | | | | | | | | | | | | | | Update the CDC-ACM gadget code to support the peripheral-to-host notifications when the tty is opened or closed, or issues a BREAK. The serial framework code calls new generic hooks; right now only CDC-ACM uses those hooks. This resolves several REVISIT comments in the code. (Based on a patch from Felipe Balbi.) Note that this doesn't expose USB_CDC_CAP_BRK to the host, since this code still rejects USB_CDC_REQ_SEND_BREAK control requests for host-to-peripheral BREAK signaling (received via /dev/ttyGS*). Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: Felipe Balbi <felipe.balbi@nokia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb gadget: remove needless struct membersDavid Brownell2008-08-145-10/+0
| | | | | | | | This removes some unused members from the various USB functions. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: serial gadget: rx path data loss fixesDavid Brownell2008-08-141-90/+146
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Update RX path handling in new serial gadget code to cope better with RX blockage: queue every RX packet until its contents can safely be passed up to the ldisc. Most of the RX path work is now done in the RX tasklet, instead of just the final "push to ldisc" step. This addresses some cases of data loss: - A longstanding serial gadget bug: when tty_insert_flip_string() didn't copy the entire buffer, the rest of the characters were dropped! Now that packet stays queued until the rest of its data is pushed to the ldisc. - Another longstanding issue: in the unlikely case that an RX transfer returns data and also reports a fault, that data is no longer discarded. - In the recently added RX throttling logic: it needs to stop pushing data into the TTY layer, instead of just not submitting new USB read requests. When the TTY is throttled long enough, backpressure will eventually make the OUT endpoint NAK. Also: an #ifdef is removed (no longer necessary); and start switching to a better convention for debug messages (prefix them with tty name). Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb: gadget: protect gadget_chips.h from been included twiceFelipe Balbi2008-08-141-0/+6
| | | | | | | | | | | | Without it, we might have trouble when trying to write some composite gadget drivers. Cc: David Brownell <dbrownell@users.sourceforge.net> Cc: Greg KH <greg@kroah.com> Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com> Acked-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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