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path: root/drivers/usb
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2012-07-16usb-storage: revert commit afff07e61a52 (Add 090c:1000 to unusal-devs)Alan Stern
commit 0070513b5e005161a7a7fd9a3f48f982b41eb094 upstream. This patch (as1560) reverts commit afff07e61a5243e14ee3f0a272a0380cd744a8a3 (usb-storage: Add 090c:1000 to unusal-devs). It is no longer needed, because usb-storage now tells the sd driver to try READ CAPACITY(10) before READ CAPACITY(16) for every USB mass-storage device. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Acked-by: Hans de Goede <hdegoede@redhat.com> CC: Matthew Dharm <mdharm-usb@one-eyed-alien.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-16SCSI & usb-storage: add try_rc_10_first flagAlan Stern
commit 6a0bdffa0073857870a4ed1b4489762146359eb4 upstream. Several bug reports have been received recently for USB mass-storage devices that don't handle READ CAPACITY(16) commands properly. They report bogus sizes, in some cases becoming unusable as a result. The bugs were triggered by commit 09b6b51b0b6c1b9bb61815baf205e4d74c89ff04 (SCSI & usb-storage: add flags for VPD pages and REPORT LUNS), which caused usb-storage to stop overriding the SCSI level reported by devices. By default, the sd driver will try READ CAPACITY(16) first for any device whose level is above SCSI_SPC_2. It seems likely that any device large enough to require the use of READ CAPACITY(16) (i.e., 2 TB or more) would be able to handle READ CAPACITY(10) commands properly. Indeed, I don't know of any devices that don't handle READ CAPACITY(10) properly. Therefore this patch (as1559) adds a new flag telling the sd driver to try READ CAPACITY(10) before READ CAPACITY(16), and sets this flag for every USB mass-storage device. If a device really is larger than 2 TB, sd will fall back to READ CAPACITY(16) just as it used to. This fixes Bugzilla #43391. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Acked-by: Hans de Goede <hdegoede@redhat.com> CC: "James E.J. Bottomley" <JBottomley@parallels.com> CC: Matthew Dharm <mdharm-usb@one-eyed-alien.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-16USB: CP210x Add 10 Device IDsCraig Shelley
commit 3fcc8f96829776cf181918461923d1e3bbb831a2 upstream. This patch adds 10 device IDs for CP210x based devices from the following manufacturers: Timewave Clipsal Festo Link Instruments Signed-off-by: Craig Shelley <craig@microtron.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-16USB: option: Add USB ID for Novatel Ovation MC551Forest Bond
commit 065b07e7a14676f4138ce4619d229c0be5a74230 upstream. This device is also known as the Verizon USB551L. Signed-off-by: Forest Bond <forest.bond@rapidrollout.com> Acked-by: Dan Williams <dcbw@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-16USB: option: add id for Cellient MEN-200Dmitry Shmygov
commit 1e2c4e59d2b8797973471b4a287a43eac12a0f40 upstream. Add vendor and product ID to option.c driver for Cellient MEN-200 EVDO Rev.B 450MHz data module. http://cellient.com Signed-off-by: Dmitry Shmygov <shmygov@rambler.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-22USB: fix gathering of interface associationsDaniel Mack
commit b3a3dd074f7053ef824ad077e5331b52220ceba1 upstream. TEAC's UD-H01 (and probably other devices) have a gap in the interface number allocation of their descriptors: Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 220 bNumInterfaces 3 [...] Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 [...] Interface Association: bLength 8 bDescriptorType 11 bFirstInterface 2 bInterfaceCount 2 bFunctionClass 1 Audio bFunctionSubClass 0 bFunctionProtocol 32 iFunction 4 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 0 [...] Once a configuration is selected, usb_set_configuration() walks the known interfaces of a given configuration and calls find_iad() on each of them to set the interface association pointer the interface is included in. The problem here is that the loop variable is taken for the interface number in the comparison logic that gathers the association. Which is fine as long as the descriptors are sane. In the case above, however, the logic gets out of sync and the interface association fields of all interfaces beyond the interface number gap are wrong. Fix this by passing the interface's bInterfaceNumber to find_iad() instead. Signed-off-by: Daniel Mack <zonque@gmail.com> Reported-by: bEN <ml_all@circa.be> Reported-by: Ivan Perrone <ivanperrone@hotmail.com> Tested-by: ivan perrone <ivanperrone@hotmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-22USB: serial: Enforce USB driver and USB serial driver matchBjørn Mork
commit 954c3f8a5f1b7716be9eee978b3bc85bae92d7c8 upstream. We need to make sure that the USB serial driver we find matches the USB driver whose probe we are currently executing. Otherwise we will end up with USB serial devices bound to the correct serial driver but wrong USB driver. An example of such cross-probing, where the usbserial_generic USB driver has found the sierra serial driver: May 29 18:26:15 nemi kernel: [ 4442.559246] usbserial_generic 4-4:1.0: Sierra USB modem converter detected May 29 18:26:20 nemi kernel: [ 4447.556747] usbserial_generic 4-4:1.2: Sierra USB modem converter detected May 29 18:26:25 nemi kernel: [ 4452.557288] usbserial_generic 4-4:1.3: Sierra USB modem converter detected sysfs view of the same problem: bjorn@nemi:~$ ls -l /sys/bus/usb/drivers/sierra/ total 0 --w------- 1 root root 4096 May 29 18:23 bind lrwxrwxrwx 1 root root 0 May 29 18:23 module -> ../../../../module/usbserial --w------- 1 root root 4096 May 29 18:23 uevent --w------- 1 root root 4096 May 29 18:23 unbind bjorn@nemi:~$ ls -l /sys/bus/usb-serial/drivers/sierra/ total 0 --w------- 1 root root 4096 May 29 18:23 bind lrwxrwxrwx 1 root root 0 May 29 18:23 module -> ../../../../module/sierra -rw-r--r-- 1 root root 4096 May 29 18:23 new_id lrwxrwxrwx 1 root root 0 May 29 18:32 ttyUSB0 -> ../../../../devices/pci0000:00/0000:00:1d.7/usb4/4-4/4-4:1.0/ttyUSB0 lrwxrwxrwx 1 root root 0 May 29 18:32 ttyUSB1 -> ../../../../devices/pci0000:00/0000:00:1d.7/usb4/4-4/4-4:1.2/ttyUSB1 lrwxrwxrwx 1 root root 0 May 29 18:32 ttyUSB2 -> ../../../../devices/pci0000:00/0000:00:1d.7/usb4/4-4/4-4:1.3/ttyUSB2 --w------- 1 root root 4096 May 29 18:23 uevent --w------- 1 root root 4096 May 29 18:23 unbind bjorn@nemi:~$ ls -l /sys/bus/usb/drivers/usbserial_generic/ total 0 lrwxrwxrwx 1 root root 0 May 29 18:33 4-4:1.0 -> ../../../../devices/pci0000:00/0000:00:1d.7/usb4/4-4/4-4:1.0 lrwxrwxrwx 1 root root 0 May 29 18:33 4-4:1.2 -> ../../../../devices/pci0000:00/0000:00:1d.7/usb4/4-4/4-4:1.2 lrwxrwxrwx 1 root root 0 May 29 18:33 4-4:1.3 -> ../../../../devices/pci0000:00/0000:00:1d.7/usb4/4-4/4-4:1.3 --w------- 1 root root 4096 May 29 18:33 bind lrwxrwxrwx 1 root root 0 May 29 18:33 module -> ../../../../module/usbserial --w------- 1 root root 4096 May 29 18:22 uevent --w------- 1 root root 4096 May 29 18:33 unbind bjorn@nemi:~$ ls -l /sys/bus/usb-serial/drivers/generic/ total 0 --w------- 1 root root 4096 May 29 18:33 bind lrwxrwxrwx 1 root root 0 May 29 18:33 module -> ../../../../module/usbserial -rw-r--r-- 1 root root 4096 May 29 18:33 new_id --w------- 1 root root 4096 May 29 18:22 uevent --w------- 1 root root 4096 May 29 18:33 unbind So we end up with a mismatch between the USB driver and the USB serial driver. The reason for the above is simple: The USB driver probe will succeed if *any* registered serial driver matches, and will use that serial driver for all serial driver functions. This makes ref counting go wrong. We count the USB driver as used, but not the USB serial driver. This may result in Oops'es as demonstrated by Johan Hovold <jhovold@gmail.com>: [11811.646396] drivers/usb/serial/usb-serial.c: get_free_serial 1 [11811.646443] drivers/usb/serial/usb-serial.c: get_free_serial - minor base = 0 [11811.646460] drivers/usb/serial/usb-serial.c: usb_serial_probe - registering ttyUSB0 [11811.646766] usb 6-1: pl2303 converter now attached to ttyUSB0 [11812.264197] USB Serial deregistering driver FTDI USB Serial Device [11812.264865] usbcore: deregistering interface driver ftdi_sio [11812.282180] USB Serial deregistering driver pl2303 [11812.283141] pl2303 ttyUSB0: pl2303 converter now disconnected from ttyUSB0 [11812.283272] usbcore: deregistering interface driver pl2303 [11812.301056] USB Serial deregistering driver generic [11812.301186] usbcore: deregistering interface driver usbserial_generic [11812.301259] drivers/usb/serial/usb-serial.c: usb_serial_disconnect [11812.301823] BUG: unable to handle kernel paging request at f8e7438c [11812.301845] IP: [<f8e38445>] usb_serial_disconnect+0xb5/0x100 [usbserial] [11812.301871] *pde = 357ef067 *pte = 00000000 [11812.301957] Oops: 0000 [#1] PREEMPT SMP [11812.301983] Modules linked in: usbserial(-) [last unloaded: pl2303] [11812.302008] [11812.302019] Pid: 1323, comm: modprobe Tainted: G W 3.4.0-rc7+ #101 Dell Inc. Vostro 1520/0T816J [11812.302115] EIP: 0060:[<f8e38445>] EFLAGS: 00010246 CPU: 1 [11812.302130] EIP is at usb_serial_disconnect+0xb5/0x100 [usbserial] [11812.302141] EAX: f508a180 EBX: f508a180 ECX: 00000000 EDX: f8e74300 [11812.302151] ESI: f5050800 EDI: 00000001 EBP: f5141e78 ESP: f5141e58 [11812.302160] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 [11812.302170] CR0: 8005003b CR2: f8e7438c CR3: 34848000 CR4: 000007d0 [11812.302180] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 [11812.302189] DR6: ffff0ff0 DR7: 00000400 [11812.302199] Process modprobe (pid: 1323, ti=f5140000 task=f61e2bc0 task.ti=f5140000) [11812.302209] Stack: [11812.302216] f8e3be0f f8e3b29c f8e3ae00 00000000 f513641c f5136400 f513641c f507a540 [11812.302325] f5141e98 c133d2c1 00000000 00000000 f509c400 f513641c f507a590 f5136450 [11812.302372] f5141ea8 c12f0344 f513641c f507a590 f5141ebc c12f0c67 00000000 f507a590 [11812.302419] Call Trace: [11812.302439] [<c133d2c1>] usb_unbind_interface+0x51/0x190 [11812.302456] [<c12f0344>] __device_release_driver+0x64/0xb0 [11812.302469] [<c12f0c67>] driver_detach+0x97/0xa0 [11812.302483] [<c12f001c>] bus_remove_driver+0x6c/0xe0 [11812.302500] [<c145938d>] ? __mutex_unlock_slowpath+0xcd/0x140 [11812.302514] [<c12f0ff9>] driver_unregister+0x49/0x80 [11812.302528] [<c1457df6>] ? printk+0x1d/0x1f [11812.302540] [<c133c50d>] usb_deregister+0x5d/0xb0 [11812.302557] [<f8e37c55>] ? usb_serial_deregister+0x45/0x50 [usbserial] [11812.302575] [<f8e37c8d>] usb_serial_deregister_drivers+0x2d/0x40 [usbserial] [11812.302593] [<f8e3a6e2>] usb_serial_generic_deregister+0x12/0x20 [usbserial] [11812.302611] [<f8e3acf0>] usb_serial_exit+0x8/0x32 [usbserial] [11812.302716] [<c1080b48>] sys_delete_module+0x158/0x260 [11812.302730] [<c110594e>] ? mntput+0x1e/0x30 [11812.302746] [<c145c3c3>] ? sysenter_exit+0xf/0x18 [11812.302746] [<c107777c>] ? trace_hardirqs_on_caller+0xec/0x170 [11812.302746] [<c145c390>] sysenter_do_call+0x12/0x36 [11812.302746] Code: 24 02 00 00 e8 dd f3 20 c8 f6 86 74 02 00 00 02 74 b4 8d 86 4c 02 00 00 47 e8 78 55 4b c8 0f b6 43 0e 39 f8 7f a9 8b 53 04 89 d8 <ff> 92 8c 00 00 00 89 d8 e8 0e ff ff ff 8b 45 f0 c7 44 24 04 2f [11812.302746] EIP: [<f8e38445>] usb_serial_disconnect+0xb5/0x100 [usbserial] SS:ESP 0068:f5141e58 [11812.302746] CR2: 00000000f8e7438c Fix by only evaluating serial drivers pointing back to the USB driver we are currently probing. This still allows two or more drivers to match the same device, running their serial driver probes to sort out which one to use. Signed-off-by: Bjørn Mork <bjorn@mork.no> Reviewed-by: Felipe Balbi <balbi@ti.com> Tested-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-22USB: serial: sierra: Add support for Sierra Wireless AirCard 320U modemTom Cassidy
commit 19a3dd1575e954e8c004413bee3e12d3962f2525 upstream. Add support for Sierra Wireless AirCard 320U modem Signed-off-by: Tomas Cassidy <tomas.cassidy@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-22usb: cdc-acm: fix devices not unthrottled on openOtto Meta
commit 6c4707f3f8c44ec18282e1c014c80e1c257042f9 upstream. Currently CDC-ACM devices stay throttled when their TTY is closed while throttled, stalling further communication attempts after the next open. Unthrottling during open/activate got lost starting with kernel 3.0.0 and this patch reintroduces it. Signed-off-by: Otto Meta <otto.patches@sister-shadow.de> Acked-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-22USB: cdc-wdm: Add Vodafone/Huawei K5005 supportBjørn Mork
commit de102ef41f24a4c251c4a3838796bb27557d4d93 upstream. Tested-by: Thomas Schäfer <tschaefer@t-online.de> Signed-off-by: Bjørn Mork <bjorn@mork.no> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-22USB: add NO_D3_DURING_SLEEP flag and revert 151b61284776be2Alan Stern
commit c2fb8a3fa25513de8fedb38509b1f15a5bbee47b upstream. This patch (as1558) fixes a problem affecting several ASUS computers: The machine crashes or corrupts memory when going into suspend if the ehci-hcd driver is bound to any controllers. Users have been forced to unbind or unload ehci-hcd before putting their systems to sleep. After extensive testing, it was determined that the machines don't like going into suspend when any EHCI controllers are in the PCI D3 power state. Presumably this is a firmware bug, but there's nothing we can do about it except to avoid putting the controllers in D3 during system sleep. The patch adds a new flag to indicate whether the problem is present, and avoids changing the controller's power state if the flag is set. Runtime suspend is unaffected; this matters only for system suspend. However as a side effect, the controller will not respond to remote wakeup requests while the system is asleep. Hence USB wakeup is not functional -- but of course, this is already true in the current state of affairs. A similar patch has already been applied as commit 151b61284776be2d6f02d48c23c3625678960b97 (USB: EHCI: fix crash during suspend on ASUS computers). The patch supersedes that one and reverts it. There are two differences: The old patch added the flag at the USB level; this patch adds it at the PCI level. The old patch applied to all chipsets with the same vendor, subsystem vendor, and product IDs; this patch makes an exception for a known-good system (based on DMI information). Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Tested-by: Dâniel Fraga <fragabr@gmail.com> Tested-by: Andrey Rahmatullin <wrar@wrar.name> Tested-by: Steven Rostedt <rostedt@goodmis.org> Reviewed-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-22USB: ftdi-sio: Add support for RT Systems USB-RTS01 serial adapterEvan McNabb
commit e00a54d772210d450e5c1a801534c3c8a448549f upstream. Add support for RT Systems USB-RTS01 USB to Serial adapter: http://www.rtsystemsinc.com/Photos/USBRTS01.html Tested by controlling Icom IC-718 amateur radio transceiver via hamlib. Signed-off-by: Evan McNabb <evan@mcnabbs.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-22USB: serial: cp210x: add Optris MS Pro usb idMikko Tuumanen
commit 5bbfa6f427c1d7244a5ee154ab8fa37265a5e049 upstream. Signed-off-by: Mikko Tuumanen <mikko.tuumanen@qemsoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-22USB: fix PS3 EHCI systemsRicardo Martins
commit 4f7a67e2dd49fbfba002c453bc24bf00e701cc71 upstream. After commit aaa0ef289afe9186f81e2340114ea413eef0492a "PS3 EHCI QH read work-around", Terratec Grabby (em28xx) stopped working with AMD Geode LX 800 (USB controller AMD CS5536). Since this is a PS3 only fix, the following patch adds a conditional block around it. Signed-off-by: Ricardo Martins <rasm@fe.up.pt> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-22usb: musb_gadget: fix crash caused by dangling pointerGrazvydas Ignotas
commit 08f75bf14fadaa81fe362d5acda9b77b113dd0a2 upstream. usb_ep_ops.disable must clear external copy of the endpoint descriptor, otherwise musb crashes after loading/unloading several gadget modules in a row: Unable to handle kernel paging request at virtual address bf013730 pgd = c0004000 [bf013730] *pgd=8f26d811, *pte=00000000, *ppte=00000000 Internal error: Oops: 7 [#1] Modules linked in: g_cdc [last unloaded: g_file_storage] CPU: 0 Not tainted (3.2.17 #647) PC is at musb_gadget_enable+0x4c/0x24c LR is at _raw_spin_lock_irqsave+0x4c/0x58 [<c027c030>] (musb_gadget_enable+0x4c/0x24c) from [<bf01b760>] (gether_connect+0x3c/0x19c [g_cdc]) [<bf01b760>] (gether_connect+0x3c/0x19c [g_cdc]) from [<bf01ba1c>] (ecm_set_alt+0x15c/0x180 [g_cdc]) [<bf01ba1c>] (ecm_set_alt+0x15c/0x180 [g_cdc]) from [<bf01ecd4>] (composite_setup+0x85c/0xac4 [g_cdc]) [<bf01ecd4>] (composite_setup+0x85c/0xac4 [g_cdc]) from [<c027b744>] (musb_g_ep0_irq+0x844/0x924) [<c027b744>] (musb_g_ep0_irq+0x844/0x924) from [<c027a97c>] (musb_interrupt+0x79c/0x864) [<c027a97c>] (musb_interrupt+0x79c/0x864) from [<c027aaa8>] (generic_interrupt+0x64/0x7c) [<c027aaa8>] (generic_interrupt+0x64/0x7c) from [<c00797cc>] (handle_irq_event_percpu+0x28/0x178) ... Signed-off-by: Grazvydas Ignotas <notasas@gmail.com> Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-22usb: musb: davinci: Fix build breakageJon Povey
commit 6594b2d7b1ef8260e6e36ddc96bd37a40e39ba80 upstream. This appears to have been broken by commit 5cfb19ac604a68c030b245561f575c2d1bac1d49 (ARM: davinci: streamline sysmod access) For now, fix by hardcoding USB_PHY_CTRL and DM355_DEEPSLEEP Tested on DM365 with defconfig changes. Signed-off-by: Jon Povey <jon.povey@racelogic.co.uk> Acked-by: Sekhar Nori <nsekhar@ti.com> CC: Felipe Balbi <balbi@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-22USB: mct_u232: Fix incorrect TIOCMSET returnAlan Cox
commit 1aa3c63cf0a79153ee13c8f82e4eb6c40b66a161 upstream. The low level helper returns 1 on success. The ioctl should however return 0. As this is the only user of the helper return, make the helper return 0 or an error code. Resolves-bug: https://bugzilla.kernel.org/show_bug.cgi?id=43009 Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-22USB: qcserial: Add Sierra Wireless device IDsBjørn Mork
commit c41444ccfa33a1c20efa319e554cb531576e64a2 upstream. Some additional IDs found in the BSD/GPL licensed out-of-tree GobiSerial driver from Sierra Wireless. Signed-off-by: Bjørn Mork <bjorn@mork.no> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-22USB: mos7840: Fix compilation of usb serial driverTony Zelenoff
commit b9c87663eead64c767e72a373ae6f8a94bead459 upstream. The __devinitconst section can't be referenced from usb_serial_device structure. Thus removed it as it done in other mos* device drivers. Error itself: WARNING: drivers/usb/serial/mos7840.o(.data+0x8): Section mismatch in reference from the variable moschip7840_4port_device to the variable .devinit.rodata:id_table The variable moschip7840_4port_device references the variable __devinitconst id_table [v2] no attach now Signed-off-by: Tony Zelenoff <antonz@parallels.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-22usb-storage: Add 090c:1000 to unusal-devsHans de Goede
commit afff07e61a5243e14ee3f0a272a0380cd744a8a3 upstream. This device gives a bogus answer to get_capacity(16): [ 8628.278614] scsi 8:0:0:0: Direct-Access USB 2.0 USB Flash Drive 1100 PQ: 0 ANSI: 4 [ 8628.279452] sd 8:0:0:0: Attached scsi generic sg4 type 0 [ 8628.280338] sd 8:0:0:0: [sdd] 35747322042253313 512-byte logical blocks: (18.3 EB/15.8 EiB) So set the quirk flag to avoid using get_capacity(16) with it: [11731.386014] usb-storage 2-1.6:1.0: Quirks match for vid 090c pid 1000: 80000 [11731.386075] scsi9 : usb-storage 2-1.6:1.0 [11731.386172] usbcore: registered new interface driver usb-storage [11731.386175] USB Mass Storage support registered. [11732.387394] scsi 9:0:0:0: Direct-Access USB 2.0 USB Flash Drive 1100 PQ: 0 ANSI: 4 [11732.388462] sd 9:0:0:0: Attached scsi generic sg3 type 0 [11732.389432] sd 9:0:0:0: [sdc] 7975296 512-byte logical blocks: (4.08 GB/3.80 GiB) Which makes the capacity look a lot more sane :) Signed-off-by: Hans de Goede <hdegoede@redhat.com> Tested-by: Simon Raffeiner <sturmflut@lieberbiber.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-22xHCI: Increase the timeout for controller save/restore state operationAndiry Xu
commit 622eb783fe6ff4c1baa47db16c3a5db97f9e6e50 upstream. When system software decides to power down the xHC with the intent of resuming operation at a later time, it will ask xHC to save the internal state and restore it when resume to correctly recover from a power event. Two bits are used to enable this operation: Save State and Restore State. xHCI spec 4.23.2 says software should "Set the Controller Save/Restore State flag in the USBCMD register and wait for the Save/Restore State Status flag in the USBSTS register to transition to '0'". However, it does not define how long software should wait for the SSS/RSS bit to transition to 0. Currently the timeout is set to 1ms. There is bug report (https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1002697) indicates that the timeout is too short for ASMedia ASM1042 host controller to save/restore the state successfully. Increase the timeout to 10ms helps to resolve the issue. This patch should be backported to stable kernels as old as 2.6.37, that contain the commit 5535b1d5f8885695c6ded783c692e3c0d0eda8ca "USB: xHCI: PCI power management implementation" Signed-off-by: Andiry Xu <andiry.xu@gmail.com> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Cc: Ming Lei <ming.lei@canonical.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-22xhci: Don't free endpoints in xhci_mem_cleanup()Takashi Iwai
commit 32f1d2c536d0c26c5814cb0e6a0606c42d02fac1 upstream. This patch fixes a few issues introduced in the recent fix [f8a9e72d: USB: fix resource leak in xhci power loss path] - The endpoints listed in bw table are just links and each entry is an array member of dev->eps[]. But the commit above adds a kfree() call to these instances, and thus it results in memory corruption. - It clears only the first entry of rh_bw[], but there can be multiple ports. - It'd be safer to clear the list_head of ep as well, not only removing from the list, as it's checked in xhci_discover_or_reset_device(). This patch should be backported to kernels as old as 3.2, that contain the commit 839c817ce67178ca3c7c7ad534c571bba1e69ebe "xhci: Store information about roothubs and TTs." Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Reviewed-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-22xhci: Fix invalid loop check in xhci_free_tt_info()Takashi Iwai
commit 46ed8f00d8982e49f8fe2c1a9cea192f640cb3ba upstream. xhci_free_tt_info() may access the invalid memory when it removes the last entry but the list is not empty. Then tt_next reaches to the list head but it still tries to check the tt_info of that entry. This patch fixes the bug and cleans up the messy code by rewriting with a simple list_for_each_entry_safe(). This patch should be backported to kernels as old as 3.2, that contain the commit 839c817ce67178ca3c7c7ad534c571bba1e69ebe "xhci: Store information about roothubs and TTs." Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Reviewed-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-22USB: option: fix port-data abuseJohan Hovold
commit 4273f9878b0a8271df055e3c8f2e7f08c6a4a2f4 upstream. Commit 8b4c6a3ab596961b78465 ("USB: option: Use generic USB wwan code") moved option port-data allocation to usb_wwan_startup but still cast the port data to the old struct... Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-22USB: option: fix memory leakJohan Hovold
commit b9c3aab315b51f81649a0d737c4c73783fbd8de0 upstream. Fix memory leak introduced by commit 383cedc3bb435de7a2 ("USB: serial: full autosuspend support for the option driver") which allocates usb-serial data but never frees it. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-22USB: option: add more YUGA device ids说不得
commit 0ef0be15fd2564767f114c249fc4af704d8e16f4 upstream. Signed-off-by: gavin zhu <gavin.zhu@qq.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-22USB: option: Updated Huawei K4605 has better idAndrew Bird
commit 42ca7da1c2363dbef4ba1b6917c4c02274b6a5e2 upstream. Later firmwares for this device now have proper subclass and protocol info so we can identify it nicely without needing to use the blacklist. I'm not removing the old 0xff matching as there may be devices in the field that still need that. Signed-off-by: Andrew Bird <ajb@spheresystems.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-22USB: option: Add Vodafone/Huawei K5005 supportBjørn Mork
commit 4cbbb039a9719fb3bba73d255c6a95bc6dc6428b upstream. Tested-by: Thomas Schäfer <tschaefer@t-online.de> Signed-off-by: Bjørn Mork <bjorn@mork.no> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-01usbcore: enable USB2 LPM if port suspend failsAndiry Xu
commit c3e751e4f4754793bb52bd5ae30e9cc027edbb12 upstream. USB2 LPM is disabled when device begin to suspend and enabled after device is resumed. That's because USB spec does not define the transition from U1/U2 state to U3 state. If usb_port_suspend() fails, usb_port_resume() is never called, and USB2 LPM is disabled in this situation. Enable USB2 LPM if port suspend fails. This patch should be backported to kernels as old as 3.2, that contain the commit 65580b4321eb36f16ae8b5987bfa1bb948fc5112 "xHCI: set USB2 hardware LPM". Signed-off-by: Andiry Xu <andiry.xu@gmail.com> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-01USB: fix resource leak in xhci power loss pathOliver Neukum
commit f8a9e72d125f4e00ec529ba67b674321a1f3bf31 upstream. Some more data structures must be freed and counters reset if an XHCI controller has lost power. The failure to do so renders some chips inoperative after a certain number of S4 cycles. This patch should be backported to kernels as old as 3.2, that contain the commits c29eea621900f18287d50519f72cb9113746d75a "xhci: Implement HS/FS/LS bandwidth checking." and commit 839c817ce67178ca3c7c7ad534c571bba1e69ebe "xhci: Implement HS/FS/LS bandwidth checking." Signed-off-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-01xhci: Add new short TX quirk for Fresco Logic host.Sarah Sharp
commit 1530bbc6272d9da1e39ef8e06190d42c13a02733 upstream. Sergio reported that when he recorded audio from a USB headset mic plugged into the USB 3.0 port on his ASUS N53SV-DH72, the audio sounded "robotic". When plugged into the USB 2.0 port under EHCI on the same laptop, the audio sounded fine. The device is: Bus 002 Device 004: ID 046d:0a0c Logitech, Inc. Clear Chat Comfort USB Headset The problem was tracked down to the Fresco Logic xHCI host controller not correctly reporting short transfers on isochronous IN endpoints. The driver would submit a 96 byte transfer, the device would only send 88 or 90 bytes, and the xHCI host would report the transfer had a "successful" completion code, with an untransferred buffer length of 8 or 6 bytes. The successful completion code and non-zero untransferred length is a contradiction. The xHCI host is supposed to only mark a transfer as successful if all the bytes are transferred. Otherwise, the transfer should be marked with a short packet completion code. Without the EHCI bus trace, we wouldn't know whether the xHCI driver should trust the completion code or the untransferred length. With it, we know to trust the untransferred length. Add a new xHCI quirk for the Fresco Logic host controller. If a transfer is reported as successful, but the untransferred length is non-zero, print a warning. For the Fresco Logic host, change the completion code to COMP_SHORT_TX and process the transfer like a short transfer. This should be backported to stable kernels that contain the commit f5182b4155b9d686c5540a6822486400e34ddd98 "xhci: Disable MSI for some Fresco Logic hosts." That commit was marked for stable kernels as old as 2.6.36. Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Reported-by: Sergio Correia <lists@uece.net> Tested-by: Sergio Correia <lists@uece.net> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-01xhci: Reset reserved command ring TRBs on cleanup.Sarah Sharp
commit 33b2831ac870d50cc8e01c317b07fb1e69c13fe1 upstream. When the xHCI driver needs to clean up memory (perhaps due to a failed register restore on resume from S3 or resume from S4), it needs to reset the number of reserved TRBs on the command ring to zero. Otherwise, several resume cycles (about 30) with a UAS device attached will continually increment the number of reserved TRBs, until all command submissions fail because there isn't enough room on the command ring. This patch should be backported to kernels as old as 2.6.32, that contain the commit 913a8a344ffcaf0b4a586d6662a2c66a7106557d "USB: xhci: Change how xHCI commands are handled." Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-01usb-xhci: Handle COMP_TX_ERR for isoc tdsHans de Goede
commit 9c745995ae5c4ff787f34a359de908facc11ee00 upstream. While testing unplugging an UVC HD webcam with usb-redirection (so through usbdevfs), my userspace usb-redir code was getting a value of -1 in iso_frame_desc[n].status, which according to Documentation/usb/error-codes.txt is not a valid value. The source of this -1 is the default case in xhci-ring.c:process_isoc_td() adding a kprintf there showed the value of trb_comp_code to be COMP_TX_ERR in this case, so this patch adds handling for that completion code to process_isoc_td(). This was observed and tested with the following xhci controller: 1033:0194 NEC Corporation uPD720200 USB 3.0 Host Controller (rev 04) Note: I also wonder if setting frame->status to -1 (-EPERM) is the best we can do, but since I cannot come up with anything better I've left that as is. This patch should be backported to kernels as old as 2.6.36, which contain the commit 04e51901dd44f40a5a385ced897f6bca87d5f40a "USB: xHCI: Isochronous transfer implementation". Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-01xhci: Avoid dead ports when CONFIG_USB_XHCI_HCD=nSarah Sharp
commit 51c9e6c7732b67769c0a514d31f505e49fa82dd4 upstream. If the user chooses to say "no" to CONFIG_USB_XHCI_HCD on a system with an Intel Panther Point chipset, the PCI quirks code or the EHCI driver will switch the ports over to the xHCI host, but the xHCI driver will never load. The ports will be powered off and seem "dead" to the user. Fix this by only switching the ports over if CONFIG_USB_XHCI_HCD is either compiled in, or compiled as a module. This patch should be backported to stable kernels as old as 3.0, that contain commit 69e848c2090aebba5698a1620604c7dccb448684 "Intel xhci: Support EHCI/xHCI port switching." Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Reported-by: Eric Anholt <eric.anholt@intel.com> Reported-by: David Bein <d.bein@f5.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-01xHCI: keep track of ports being resumed and indicate in hub_status_dataAndiry Xu
commit f370b9968a220a3d79d870dd7dee674cc0ff3d10 upstream. This commit adds a bit-array to xhci bus_state for keeping track of which ports are undergoing a resume transition. If any of the bits are set when xhci_hub_status_data() is called, the routine will return a non-zero value even if no ports have any status changes pending. This will allow usbcore to handle races between root-hub suspend and port wakeup. This patch should be backported to kernels as old as 3.4, that contain the commit 879d38e6bc36d73b0ac40ec9b0d839fda9fa8b1a "USB: fix race between root-hub suspend and remote wakeup". Signed-off-by: Andiry Xu <andiry.xu@amd.com> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Cc: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-01xhci: Add Lynx Point to list of Intel switchable hosts.Sarah Sharp
commit 1c12443ab8eba71a658fae4572147e56d1f84f66 upstream. The upcoming Intel Lynx Point chipset includes an xHCI host controller that can have ports switched from the EHCI host controller, just like the Intel Panther Point xHCI host. This time, ports from both EHCI hosts can be switched to the xHCI host controller. The PCI config registers to do the port switching are in the exact same place in the xHCI PCI configuration registers, with the same semantics. Hooray for shipping patches for next-gen hardware before the current gen hardware is even available for purchase! This patch should be backported to stable kernels as old as 3.0, that contain commit 69e848c2090aebba5698a1620604c7dccb448684 "Intel xhci: Support EHCI/xHCI port switching." Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-01usb: add USB_QUIRK_RESET_RESUME for M-Audio 88esSteffen Müller
commit 166cb70e97bd83d7ae9bbec6ae59a178fd9bb823 upstream. Tested-by: Steffen Müller <steffen.mueller@radio-frei.de> Signed-off-by: Steffen Müller <steffen.mueller@radio-frei.de> Signed-off-by: Stefan Seyfried <seife+kernel@b1-systems.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-01usb: gadget: fsl_udc_core: dTD's next dtd pointer need to be updated once ↵Peter Chen
written commit 4d0947dec4db1224354e2f6f00ae22ce38e62a43 upstream. dTD's next dtd pointer need to be updated once CPU writes it, or this request may not be handled by controller, then host will get NAK from device forever. This problem occurs when there is a request is handling, we need to add a new request to dTD list, if this new request is added before the current one is finished, the new request is intended to added as next dtd pointer at current dTD, but without wmb(), the dTD's next dtd pointer may not be updated when the controller reads it. In that case, the controller will still get Terminate Bit is 1 at dTD's next dtd pointer, that means there is no next request, then this new request is missed by controller. Signed-off-by: Peter Chen <peter.chen@freescale.com> Acked-by: Li Yang <leoli@freescale.com> Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-01USB: serial: ti_usb_3410_5052: Add support for the FRI2 serial consoleDarren Hart
commit 975dc33b82cb887d75a29b1e3835c8eb063a8e99 upstream. The Kontron M2M development board, also known as the Fish River Island II, has an optional daughter card providing access to the PCH_UART (EG20T) via a ti_usb_3410_5052 uart to usb chip. http://us.kontron.com/products/systems+and+platforms/m2m/m2m+smart+services+developer+kit.html Signed-off-by: Darren Hart <dvhart@linux.intel.com> CC: Al Borchers <alborchers@steinerpoint.com> CC: Peter Berger <pberger@brimson.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-01USB: Remove races in devio.cHuajun Li
commit 4e09dcf20f7b5358615514c2ec8584b248ab8874 upstream. There exist races in devio.c, below is one case, and there are similar races in destroy_async() and proc_unlinkurb(). Remove these races. cancel_bulk_urbs() async_completed() ------------------- ----------------------- spin_unlock(&ps->lock); list_move_tail(&as->asynclist, &ps->async_completed); wake_up(&ps->wait); Lead to free_async() be triggered, then urb and 'as' will be freed. usb_unlink_urb(as->urb); ===> refer to the freed 'as' Signed-off-by: Huajun Li <huajun.li.lee@gmail.com> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Oncaphillis <oncaphillis@snafu.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-01USB: ohci-at91: add a reset function to fix race conditionNicolas Ferre
commit 07e4e556eff4938eb2edf2591de3aa7d7fb82b52 upstream. A possible race condition appears because we are not initializing the ohci->regs before calling usb_hcd_request_irqs(). We move the call to ohci_init() in hcd->driver->reset() instead of hcd->driver->start() to fix this. This was experienced when we share the same IRQ line between OHCI and EHCI controllers. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Tested-by: Christian Eggers <christian.eggers@kathrein.de> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-01USB: gpio_vbus: provide an appropriate debounce intervalShinya Kuribayashi
commit 934ccec4da14dc0586dfe08b36166364bdd2181b upstream. In commit c2344f13b59e007d782a3e591ebc551bc583a8b7 (USB: gpio_vbus: add delayed vbus_session calls, 2009-01-24), usb_gadget_vbus_connect() and ...disconnect() were extracted from the interrupt handler, so to allow vbus_session handlers to deal with msleep() calls. This patch takes the approach one step further. USB2.0 specification (7.1.7.3 Connect and Disconnect Signaling) says that the USB system software (shall) provide a debounce interval with a minimum duration of 100 ms, which ensures that the electrical and mechanical connection is stable before software attempts to reset the attached device. Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi.px@renesas.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-01USB: EHCI: OMAP: Finish ehci omap phy reset cycle before adding hcd.Russ Dill
commit 3aa2ae74ba630ec9b98736d64aea8e4cb490861d upstream. 'ARM: OMAP3: USB: Fix the EHCI ULPI PHY reset issue' (1fcb57d0f) created a regression with Beagleboard xM if booting the kernel after running 'usb start' under u-boot. Finishing the reset before calling 'usb_add_hcd' fixes the regression. This is most likely due to usb_add_hcd calling the driver's reset and init functions which expect the hardware to be up and running. Signed-off-by: Russ Dill <Russ.Dill@ti.com> Acked-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-01USB: ehci-platform: remove update_deviceHauke Mehrtens
commit 8377c94f627f7943da9a7eefdb21fd2e9e7ec629 upstream. The update_device callback is not needed and the function used here is from the pci ehci driver. Without this patch we get a compile error if ehci-platform is compiled without ehci-pci. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-01usb: usbtest: two super speed fixes for usbtestPaul Zimmerman
commit 6a23ccd216b6a8ba2c67a9f9d8969b4431ad2920 upstream. bMaxPacketSize0 field for super speed is a power of 2, not a count. The size itself is always 512. Max packet size for a super speed bulk endpoint is 1024, so allocate the urb size in halt_simple() accordingly. Signed-off-by: Paul Zimmerman <paulz@synopsys.com> Acked-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-01usb-storage: unusual_devs entry for Yarvik PMP400 MP4 playerAlan Stern
commit df767b71e5816692134d59c0c17e0f77cd73333d upstream. This patch (as1553) adds an unusual_dev entrie for the Yarvik PMP400 MP4 music player. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Reported-by: Jesse Feddema <jdfeddema@gmail.com> Tested-by: Jesse Feddema <jdfeddema@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-01usb-serial: ftdi_sio: fix oops during autosuspendAlan Stern
commit 5cbe61c5aff0a8ada691eb8b07dbfb55c303f640 upstream. This patch (as1550) fixes a bug in the usb-serial core that affects the ftdi_sio driver and most likely others as well. The core implements suspend and resume routines, but it doesn't store pointers to those routines in the usb_driver structures that it registers, even though it does set those drivers' supports_autosuspend flag. The end result is that when one of these devices is autosuspended, we try to call through a NULL pointer. The patch fixes the problem by setting the suspend and resume method pointers to the appropriate routines in the USB serial core, along with the supports_autosuspend field, in each driver as it is registered. This should be back-ported to all the stable kernels that have the new usb_serial_register_drivers() interface. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Reported-and-tested-by: Frank Schäfer <schaefer.frank@gmx.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-01USB: ftdi-sio: add support for Physik Instrumente E-861Éric Piel
commit b69cc672052540e8efb1368420f10d7d4d8b8a3d upstream. This adds VID/PID for the PI E-861. Without it, I had to do: modprobe -q ftdi-sio product=0x1008 vendor=0x1a72 http://www.physikinstrumente.com/en/products/prdetail.php?sortnr=900610 Signed-off-by: Éric Piel <piel@delmic.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-01USB: cdc-wdm: remove from device list on disconnectBjørn Mork
commit 6286d85e8efdb59252d1ceb99a56fa6b0b11526c upstream. Prevents dereferencing an invalid struct usb_interface pointer. Always delete entry from device list whether or not the rest of the device state cleanup is postponed. The device list uses desc->intf as key, and wdm_open will dereference this key while searching for a matching device. A device should not appear in the list unless probe() has succeeded and disconnect() has not finished. Cc: Oliver Neukum <oliver@neukum.org> Signed-off-by: Bjørn Mork <bjorn@mork.no> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-01USB: cdc-wdm: cannot use dev_printk when device is goneBjørn Mork
commit 6b0b79d38806481c1c8fffa7c5842f3c83679a42 upstream. We cannot dereference a removed USB interface for dev_printk. Use pr_debug instead where necessary. Flush errors are expected if device is unplugged and are therefore best ingored at this point. Move the kill_urbs() call in wdm_release with dev_dbg() for the non disconnect, as we know it has already been called if WDM_DISCONNECTING is set. This does not actually fix anything, but keeps the code more consistent. Cc: Oliver Neukum <oliver@neukum.org> Signed-off-by: Bjørn Mork <bjorn@mork.no> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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