user/sven/linux.git/drivers, branch v3.18.29

HID: usbhid: fix recursive deadlock

2016-03-13T17:53:42Z

commit e470127e9606b1fa151c4184243e61296d1e0c0f upstream. The critical section protected by usbhid->lock in hid_ctrl() is too big and because of this it causes a recursive deadlock. "Too big" means the case statement and the call to hid_input_report() do not need to be protected by the spinlock (no URB operations are done inside them). The deadlock happens because in certain rare cases drivers try to grab the lock while handling the ctrl irq which grabs the lock before them as described above. For example newer wacom tablets like 056a:033c try to reschedule proximity reads from wacom_intuos_schedule_prox_event() calling hid_hw_request() -> usbhid_request() -> usbhid_submit_report() which tries to grab the usbhid lock already held by hid_ctrl(). There are two ways to get out of this deadlock: 1. Make the drivers work "around" the ctrl critical region, in the wacom case for ex. by delaying the scheduling of the proximity read request itself to a workqueue. 2. Shrink the critical region so the usbhid lock protects only the instructions which modify usbhid state, calling hid_input_report() with the spinlock unlocked, allowing the device driver to grab the lock first, finish and then grab the lock afterwards in hid_ctrl(). This patch implements the 2nd solution. Signed-off-by: Ioan-Adrian Ratiu Signed-off-by: Jiri Kosina Signed-off-by: Jason Gerecke Signed-off-by: Sasha Levin

iwlwifi: pcie: support loading FW with extended mem range

2016-03-13T17:53:42Z

[commit fe45773b5baa154468416aac1304f6325939f775 upstream] Toggle the LMPM_CHICK register when writing chunks into the FW's extended SRAM. This tells the FW to put the chunk into a different memory space. Signed-off-by: Arik Nemtsov Signed-off-by: Emmanuel Grumbach Signed-off-by: Sasha Levin

ubi: Fix out of bounds write in volume update code

2016-03-13T17:53:41Z

[ Upstream commit e4f6daac20332448529b11f09388f1d55ef2084c ] ubi_start_leb_change() allocates too few bytes. ubi_more_leb_change_data() will write up to req->upd_bytes + ubi->min_io_size bytes. Cc: stable@vger.kernel.org Signed-off-by: Richard Weinberger Reviewed-by: Boris Brezillon Signed-off-by: Sasha Levin

drm/radeon/pm: update current crtc info after setting the powerstate

2016-03-13T17:53:40Z

[ Upstream commit 5e031d9fe8b0741f11d49667dfc3ebf5454121fd ] On CI, we need to see if the number of crtcs changes to determine whether or not we need to upload the mclk table again. In practice we don't currently upload the mclk table again after the initial load. The only reason you would would be to add new states, e.g., for arbitrary mclk setting which is not currently supported. Acked-by: Christian König Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org Signed-off-by: Sasha Levin

USB: qcserial: add Sierra Wireless EM74xx device ID

2016-03-13T17:53:40Z

[ Upstream commit 9b957cf794b46861c6b797b816fb31c8f73859d4 ] [ Upstream commit 04fdbc825ffc02fb098964b92de802fff44e73fd ] The MC74xx and EM74xx modules use different IDs by default, according to the Lenovo EM7455 driver for Windows. Cc: Signed-off-by: Bjørn Mork Signed-off-by: Johan Hovold Signed-off-by: Sasha Levin

USB: qcserial: add Sierra Wireless MC74xx/EM74xx

2016-03-13T17:53:40Z

[ Upstream commit 34a251c6eecaaf5e863ed366089e7ac9a5b78986 ] commit f504ab1888026d15b5be8f9c262bf4ae9cacd177 upstream. New device IDs shamelessly lifted from the vendor driver. Signed-off-by: Bjørn Mork Acked-by: Johan Hovold Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin

drm/ast: Fix incorrect register check for DRAM width

2016-03-13T17:53:40Z

[ Upstream commit 2d02b8bdba322b527c5f5168ce1ca10c2d982a78 ] During DRAM initialization on certain ASpeed devices, an incorrect bit (bit 10) was checked in the "SDRAM Bus Width Status" register to determine DRAM width. Query bit 6 instead in accordance with the Aspeed AST2050 datasheet v1.05. Signed-off-by: Timothy Pearson Cc: stable@vger.kernel.org Signed-off-by: Dave Airlie Signed-off-by: Sasha Levin

USB: serial: option: add support for Quectel UC20

2016-03-11T14:45:25Z

[ Upstream commit c0992d0f54847d0d1d85c60fcaa054f175ab1ccd ] Add support for Quectel UC20 and blacklist the QMI interface. Signed-off-by: Yegor Yefremov Cc: stable [johan: amend commit message ] Signed-off-by: Johan Hovold Signed-off-by: Sasha Levin

USB: serial: option: add support for Telit LE922 PID 0x1045

2016-03-11T14:45:25Z

[ Upstream commit 5deef5551c77e488922cc4bf4bc76df63be650d0 ] This patch adds support for 0x1045 PID of Telit LE922. Signed-off-by: Daniele Palmas Cc: stable Signed-off-by: Johan Hovold Signed-off-by: Sasha Levin

USB: cp210x: Add ID for Parrot NMEA GPS Flight Recorder

2016-03-11T14:45:25Z

[ Upstream commit 3c4c615d70c8cbdc8ba8c79ed702640930652a79 ] The Parrot NMEA GPS Flight Recorder is a USB composite device consisting of hub, flash storage, and cp210x usb to serial chip. It is an accessory to the mass-produced Parrot AR Drone 2. The device emits standard NMEA messages which make the it compatible with NMEA compatible software. It was tested using gpsd version 3.11-3 as an NMEA interpreter and using the official Parrot Flight Recorder. Signed-off-by: Vittorio Alfieri Cc: stable Signed-off-by: Johan Hovold Signed-off-by: Sasha Levin