linux-toradex.git/drivers, branch v4.1.20

ubi: Fix out of bounds write in volume update code

2016-03-14T16:42:31+00:00

[ 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

2016-03-09T18:15:24+00:00

[ 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

2016-03-09T18:15:24+00:00

[ 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

drm/ast: Fix incorrect register check for DRAM width

2016-03-09T18:15:23+00:00

[ 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

2016-03-09T18:15:22+00:00

[ 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

2016-03-09T18:15:21+00:00

[ 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

2016-03-09T18:15:21+00:00

[ 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

USB: qcserial: add Dell Wireless 5809e Gobi 4G HSPA+ (rev3)

2016-03-09T18:15:20+00:00

[ Upstream commit 013dd239d6220a4e0dfdf0d45a82c34f1fd73deb ]

New revision of Dell Wireless 5809e Gobi 4G HSPA+ Mobile Broadband Card
has new idProduct.

Bus 002 Device 006: ID 413c:81b3 Dell Computer Corp.
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            0
  bDeviceSubClass         0
  bDeviceProtocol         0
  bMaxPacketSize0        64
  idVendor           0x413c Dell Computer Corp.
  idProduct          0x81b3
  bcdDevice            0.06
  iManufacturer           1 Sierra Wireless, Incorporated
  iProduct                2 Dell Wireless 5809e Gobi™ 4G HSPA+ Mobile Broadband Card
  iSerial                 3
  bNumConfigurations      2

Signed-off-by: Patrik Halfar 
Cc: stable 
Signed-off-by: Johan Hovold 
Signed-off-by: Sasha Levin

vfio: fix ioctl error handling

2016-03-09T18:15:13+00:00

[ Upstream commit 8160c4e455820d5008a1116d2dca35f0363bb062 ]

Calling return copy_to_user(...) in an ioctl will not
do the right thing if there's a pagefault:
copy_to_user returns the number of bytes not copied
in this case.

Fix up vfio to do
	return copy_to_user(...)) ?
		-EFAULT : 0;

everywhere.

Cc: stable@vger.kernel.org
Signed-off-by: Michael S. Tsirkin 
Signed-off-by: Alex Williamson 
Signed-off-by: Sasha Levin

iommu/amd: Apply workaround for ATS write permission check

2016-03-09T18:15:09+00:00

[ Upstream commit 358875fd52ab8f00f66328cbf1a1d2486f265829 ]

The AMD Family 15h Models 30h-3Fh (Kaveri) BIOS and Kernel Developer's
Guide omitted part of the BIOS IOMMU L2 register setup specification.
Without this setup the IOMMU L2 does not fully respect write permissions
when handling an ATS translation request.

The IOMMU L2 will set PTE dirty bit when handling an ATS translation with
write permission request, even when PTE RW bit is clear. This may occur by
direct translation (which would cause a PPR) or by prefetch request from
the ATC.

This is observed in practice when the IOMMU L2 modifies a PTE which maps a
pagecache page. The ext4 filesystem driver BUGs when asked to writeback
these (non-modified) pages.

Enable ATS write permission check in the Kaveri IOMMU L2 if BIOS has not.

Signed-off-by: Jay Cornwall 
Cc:  # v3.19+
Signed-off-by: Joerg Roedel 
Signed-off-by: Sasha Levin