linux.git
7 years agoMLK-11322-02 ARM: imx: add io map for pm code
Bai Ping [Wed, 5 Aug 2015 16:27:47 +0000 (00:27 +0800)]
MLK-11322-02 ARM: imx: add io map for pm code

add necessary io memory mapping used by power management.

Signed-off-by: Bai Ping <b51503@freescale.com>
7 years agoMLK-11322-01 ARM: dts: imx: add ocram node used for lpm code
Bai Ping [Wed, 5 Aug 2015 19:37:44 +0000 (03:37 +0800)]
MLK-11322-01 ARM: dts: imx: add ocram node used for lpm code

Reserve iram space for low power code. The first 16KB space
is used for suspend/resume and cpuidle. Another 4KB space is
for busfreq code.

for i.MX6SX, it has a dedicated ocram space start at 0x8f8000
for low power code.

Signed-off-by: Bai Ping <b51503@freescale.com>
7 years agoMLK-11323-03 ARM: defconfig: unselect ARMv6 support in v7 defconfig
Bai Ping [Wed, 5 Aug 2015 17:37:35 +0000 (01:37 +0800)]
MLK-11323-03 ARM: defconfig: unselect ARMv6 support in v7 defconfig

In imx_v7_defconfig file, no need to enable the ARMv6 support.

Signed-off-by: Bai Ping <b51503@freescale.com>
7 years agoMLK-11323-02 ARM: defconfig: enable the snvs_pwrkey support
Bai Ping [Wed, 5 Aug 2015 17:34:30 +0000 (01:34 +0800)]
MLK-11323-02 ARM: defconfig: enable the snvs_pwrkey support

Enable the snvs_pwrkey driver support.

Signed-off-by: Bai Ping <b51503@freescale.com>
7 years agoMLK-11327 dma: pxp: porting pxp dma driver to imx_4.1.y
Fancy Fang [Thu, 6 Aug 2015 07:29:15 +0000 (15:29 +0800)]
MLK-11327 dma: pxp: porting pxp dma driver to imx_4.1.y

Porting pxp dma drivers v2 and v3 to imx_4.1.y branch.

Signed-off-by: Fancy Fang <chen.fang@freescale.com>
7 years agoMLK-11286-3 rpmsg: imx: enable rpmsg tests on imx
Richard Zhu [Mon, 27 Jul 2015 05:59:55 +0000 (13:59 +0800)]
MLK-11286-3 rpmsg: imx: enable rpmsg tests on imx

enable the rpmsg pingpong and tty string echo tests
on imx amp socs
- pingpong test howto
insmod imx_rpmsg_pingpong.ko

- tty string echo test howto
  - step 1, load the imx_rpmsg_tty.ko
  insmod imx_rpmsg_tty.ko
  - step 2, lanunch the mxc_mcc_tty_test.out in backend
  ./mxc_mcc_tty_test.out /dev/ttyRPMSG 115200 R 512 512 &
  - step 3, issue the echo command
  echo <string> > /dev/ttyRPMSG

Signed-off-by: Richard Zhu <Richard.Zhu@freescale.com>
7 years agoMLK-11286-2 ARM: dts: enable rpmsg support on imx7d
Richard Zhu [Wed, 5 Aug 2015 06:20:21 +0000 (14:20 +0800)]
MLK-11286-2 ARM: dts: enable rpmsg support on imx7d

- enable rpmsg on imx7d platforms
- since there are some modules conflictions between A# and m4,
add new *-m4.dts files, that used when m4 core is kicked off.

Signed-off-by: Richard Zhu <Richard.Zhu@freescale.com>
7 years agoMLK-11286-1 ARM: imx: enable rpmsg on imx amp platforms
Richard Zhu [Wed, 5 Aug 2015 06:17:40 +0000 (14:17 +0800)]
MLK-11286-1 ARM: imx: enable rpmsg on imx amp platforms

enable rpmsg on imx amp platforms
- use MU receive interrupter as the notify of the multi-cores.
- add the MU root clock support on imx7d

Signed-off-by: Richard Zhu <Richard.Zhu@freescale.com>
[Octavian: select VIRTIO_RPMGS, fix for VIRTIO_RPMSG_F_NS removal]
Signed-off-by: Octavian Purdila <octavian.purdila@nxp.com>
7 years agoMLK-11318-5: video: mxsfb: porting mxsfb driver to imx_4.1.y branch
Fancy Fang [Tue, 4 Aug 2015 09:23:45 +0000 (17:23 +0800)]
MLK-11318-5: video: mxsfb: porting mxsfb driver to imx_4.1.y branch

Porting mxsfb driver to imx_4.1.y branch.

Signed-off-by: Fancy Fang <chen.fang@freescale.com>
7 years agoMLK-11318-4 ARM: dts: imx7d-12x12-lpddr3-arm2: add dts support for pwm backlight
Fancy Fang [Tue, 4 Aug 2015 08:08:51 +0000 (16:08 +0800)]
MLK-11318-4 ARM: dts: imx7d-12x12-lpddr3-arm2: add dts support for pwm backlight

Add dts support for pwm backlight on imx_4.1.y branch.

Signed-off-by: Fancy Fang <chen.fang@freescale.com>
7 years agoMLK-11318-3 ARM: dts: imx7d-12x12-lpddr3-arm2: add dts support for lcdif
Fancy Fang [Tue, 4 Aug 2015 08:05:20 +0000 (16:05 +0800)]
MLK-11318-3 ARM: dts: imx7d-12x12-lpddr3-arm2: add dts support for lcdif

Add dts support for lcdif on imx_4.1.y branch.

Signed-off-by: Fancy Fang <chen.fang@freescale.com>
7 years agoMLK-11318-2 ARM: dts: imx7d-sdb: add dts support for pwm backlight
Fancy Fang [Tue, 4 Aug 2015 07:51:54 +0000 (15:51 +0800)]
MLK-11318-2 ARM: dts: imx7d-sdb: add dts support for pwm backlight

Add dts support for pwm backlight on imx_4.1.y branch.

Signed-off-by: Fancy Fang <chen.fang@freescale.com>
7 years agoMLK-11317-02 ARM: imx: imx6ul: add enet init for i.mx6ul
Fugang Duan [Tue, 18 Aug 2015 03:28:08 +0000 (11:28 +0800)]
MLK-11317-02 ARM: imx: imx6ul: add enet init for i.mx6ul

Add enet MAC address init.

The patch is merged from commit: 67cfceab0b77e887910f11dda13ab3a98bb0d87a

Signed-off-by: Fugang Duan <B38611@freescale.com>
7 years agoMLK-11300-06 ARM: configs: enable imx6ul in defconfig
Bai Ping [Fri, 31 Jul 2015 14:06:36 +0000 (22:06 +0800)]
MLK-11300-06 ARM: configs: enable imx6ul in defconfig

Enable the i.MX6UL SOC support in the defconfig file.

Signed-off-by: Bai Ping <b51503@freescale.com>
7 years agoMLK-11300-05 ARM: imx: add pm support for imx6ul
Bai Ping [Fri, 31 Jul 2015 10:55:38 +0000 (18:55 +0800)]
MLK-11300-05 ARM: imx: add pm support for imx6ul

Add basic pm suspend/resume support for i.MX6UL.

Signed-off-by: Bai Ping <b51503@freescale.com>
7 years agoMLK-11300-04 ARM: imx: add gpt timer support on imx6ul
Bai Ping [Wed, 29 Jul 2015 18:22:13 +0000 (02:22 +0800)]
MLK-11300-04 ARM: imx: add gpt timer support on imx6ul

Add gpt-timer for i.MX6UL SOC.

Signed-off-by: Bai Ping <b51503@freescale.com>
7 years agoMLK-11300-02 ARM: dts: imx: add imx6ul board dts support
Bai Ping [Wed, 29 Jul 2015 17:33:13 +0000 (01:33 +0800)]
MLK-11300-02 ARM: dts: imx: add imx6ul board dts support

Add i.MX6UL board support dts file for boards:
* imx6ul-14X14-evk.dts
* imx6ul-14x14-ddr3-arm2.dts

Signed-off-by: Ye.Li <Ye.Li@freescale.com>
Signed-off-by: Bai Ping <b51503@freescale.com>
[Octavian: merge with upstream, prefer upstrem in case of conflict]
Signed-off-by: Octavian Purdila <octavian.purdila@nxp.com>
7 years agoMLK-11300-01 ARM: dts: imx: add imx6ul dtsi support.
Bai Ping [Thu, 30 Jul 2015 14:22:26 +0000 (22:22 +0800)]
MLK-11300-01 ARM: dts: imx: add imx6ul dtsi support.

Add i.MX6UL SOC dtsi file.

Signed-off-by: Anson Huang <b20788@freescale.com>
Signed-off-by: Bai Ping <b51503@freescale.com>
[Octavian: merge 4.1.y into upstream keeping upstream values where values are different]
Signed-off-by: Octavian Purdila <octavian.purdila@nxp.com>
7 years agoMLK-10449-1: 74x164: Add new property registers-default
Sandor Yu [Fri, 20 Mar 2015 06:58:20 +0000 (14:58 +0800)]
MLK-10449-1: 74x164: Add new property registers-default

For some platform such as imx7D SDB, one pin of 74x164 to
control all peripheral power supply(PERI_3V_EN).
The pin should keep in high voltage level when 74x164 loading,
otherwise the module depend on PERI_3V3 will lose power.
So add new property registers-default into 74x164 driver.

Signed-off-by: Sandor Yu <R01008@freescale.com>
Signed-off-by: Fugang Duan <B38611@freescale.com>
(cherry picked from commit: 61fe7af7e47dd8bf6acc91ceabd9e660d28de28a)

7 years agoMLK-11293: gpio: pca953x: add device_reset() call
Shawn Guo [Sun, 14 Jul 2013 13:52:38 +0000 (21:52 +0800)]
MLK-11293: gpio: pca953x: add device_reset() call

The pca953x type of devices, e.g. max7310, may have a reset which needs
to be handled to get the device start working.  Add a device_reset()
call for that, and defer the probe if the reset controller for that is
not ready yet.

Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Fugang Duan <B38611@freescale.com>
(cherry picked from commit: d3264091b30b777d94a18efda9823a06668d5b10)

7 years agoMLK-10447-03: ARM: imx_v7_defconfig: Add spi gpio and gpio 74x164
Fugang Duan [Tue, 28 Jul 2015 03:13:20 +0000 (11:13 +0800)]
MLK-10447-03: ARM: imx_v7_defconfig: Add spi gpio and gpio 74x164

Enable CONFIG_SPI_GPIO and CONFIG_GPIO_74X164 to imx_v7_defconfig.

Signed-off-by: Sandor Yu <R01008@freescale.com>
Signed-off-by: Fugang Duan <B38611@freescale.com>
(cherry picked from commit: a551a35455d14d265ce7aeb4a0e6081303f43fec)

7 years agoMLK-10447-01: dts: imx7d sdb: Add 74LV595 driver
Fugang Duan [Tue, 28 Jul 2015 03:09:20 +0000 (11:09 +0800)]
MLK-10447-01: dts: imx7d sdb: Add 74LV595 driver

-74LV595 function compatible with 74HC595, add 74HC595
driver into imx7d sdb dts.
-74LV595 register as a GPIO device and access 74LV595 chip
by SPI GPIO, so add spi_gpio driver into imx7 sdb dts.

Signed-off-by: Sandor Yu <R01008@freescale.com>
igned-off-by: Fugang Duan <B38611@freescale.com>
(cherry picked from commit: 61fe7af7e47dd8bf6acc91ceabd9e660d28de28a)

7 years agoMLK-10463-1 ARM: imx: init ENET RGMII tx clock source
Fugang Duan [Fri, 6 Feb 2015 08:42:46 +0000 (16:42 +0800)]
MLK-10463-1 ARM: imx: init ENET RGMII tx clock source

Init ENET RGMII tx clock source, set GPR5[9] to select clock from
internal PLL_enet. And set phy VDDIO to 1.8V that get better signal
quality.

Signed-off-by: Fugang Duan <B38611@freescale.com>
(cherry picked from commit: d7a171fcf5218166f558428610ca8e9cb9f7e830)

7 years agoMLK-10098 ARM: imx: fix 1588 clock init
Fugang Duan [Wed, 14 Jan 2015 08:18:58 +0000 (16:18 +0800)]
MLK-10098 ARM: imx: fix 1588 clock init

The enet clock define is changed as there has no "enet_ref" clock name.
If the tx_clk is sourced from SOC anatop PLL, user define the clock id
in devicetree. So we only to judge the ptp clock valid and then set the
related GPR bit.

Signed-off-by: Fugang Duan <B38611@freescale.com>
(cherry picked from commit: 01ed2a839d9b76ccb4113dc2a04af4a33b33de22)

7 years agoMLK-10060 ARM: i.MX6: disable ethernet phy AR8031 EEE mode in default
Fugang Duan [Thu, 25 Dec 2014 09:17:49 +0000 (17:17 +0800)]
MLK-10060 ARM: i.MX6: disable ethernet phy AR8031 EEE mode in default

Disable ethernet phy AR8031 EEE mode in default to reduce the IEEE1588
latency.

Signed-off-by: Fugang Duan <B38611@freescale.com>
7 years agoMLK-9694 ARM: imx6: init enet MAC address
Fugang Duan [Wed, 15 Oct 2014 01:36:40 +0000 (09:36 +0800)]
MLK-9694 ARM: imx6: init enet MAC address

Enet get MAC address order:
From module parameters or kernel command line -> device tree ->
pfuse -> mac registers set by bootloader -> random mac address.

When there have no "fec.macaddr" parameters set in kernel command
line, enet driver get MAC address from device tree. And then if
the MAC address set in device tree and is valid, enet driver get
MAC address from device tree. Otherwise,enet get MAarch/arm/mach-imx
/mach-imx6q.cC address from
pfuse. So, in the condition, update the MAC address (read from pfuse)
to device tree.

Cherry-pick & Merge patches from:
149ac988a25b8d8eb86d05679cbb7b42819ff7a1 &
3269e5c06bdb2f7ab9bd5afa9bbfe46d872197d3

Signed-off-by: Fugang Duan <B38611@freescale.com>
7 years agoMLK-11290 ARM: dts: imx7d-12x12-lpddr3-arm2: add enet, i2c, max7322 support
Fugang Duan [Mon, 27 Jul 2015 10:56:07 +0000 (18:56 +0800)]
MLK-11290 ARM: dts: imx7d-12x12-lpddr3-arm2: add enet, i2c, max7322 support

Add enet1, enet2, i2c1~4, max7322 support.

Signed-off-by: Fugang Duan <B38611@freescale.com>
7 years agoMLK-11206: input: misc: fxls8471: support ±2g/±4g/±8g dynamically selection
Gao Pan [Wed, 1 Jul 2015 06:38:20 +0000 (14:38 +0800)]
MLK-11206: input: misc: fxls8471: support ±2g/±4g/±8g dynamically selection

Support ±2g/±4g/±8g dynamically selection for motion sensor fxls8471.

Set the sensor mode to standby mode before changing the scale range
with the command "echo 0 > enable". The scale range can be changed
with the command "echo 0/1/2 > range".

Signed-off-by: Gao Pan <b54642@freescale.com>
Signed-off-by: Fugang Duan <B38611@freescale.com>
(cherry picked from commit: 6824cff93d368eafbf96c71fad541f9bc2502e3a)

7 years agoMLK-11218: misc: fxos8700: support ±2g/±4g/±8g dynamically
Gao Pan [Fri, 3 Jul 2015 08:31:38 +0000 (16:31 +0800)]
MLK-11218: misc: fxos8700: support ±2g/±4g/±8g dynamically

Support ±2g/±4g/±8g dynamically selection for motion sensor fxos8700.

Set the sensor mode to standby mode before changing the scale range
with the command "echo 0 > enable". The scale range can be changed
with the command "echo 0/1/2 > range".

Signed-off-by: Gao Pan <b54642@freescale.com>
Signed-off-by: Fugang Duan <B38611@freescale.com>
(cherry picked from commit: 74c9af0a5806fb5c926ffdab3145fc1680fc87e6)

7 years agoMLK-10947 ARM: imx_v7_defconfig: enable fxls8471 in defconfig
Fugang Duan [Mon, 27 Jul 2015 09:38:14 +0000 (17:38 +0800)]
MLK-10947 ARM: imx_v7_defconfig: enable fxls8471 in defconfig

Enable fxls8471 in defconfig.

Signed-off-by: Gao Pan <b54642@freescale.com>
Signed-off-by: Fugang Duan <B38611@freescale.com>
(cherry picked from commit: 692ff04d68f953d4534f27c6c4529e46b1a48518)

7 years agoMLK-10948 input: misc: fxls8471: add motion sensor fxls8471
gaopan [Thu, 21 May 2015 06:50:47 +0000 (14:50 +0800)]
MLK-10948 input: misc: fxls8471: add motion sensor fxls8471

Add Freescale fxls8471 motion sensor.

Signed-off-by: Gao Pan <b54642@freescale.com>
Signed-off-by: Fugang Duan <B38611@freescale.com>
(cherry picked from commit: 20cfe2d9d9305559e35fe2e508d5a70b057ffc70)

7 years agoMLK-10893: i2c: imx: add irqf_no_suspend
gaopan [Tue, 12 May 2015 10:25:29 +0000 (18:25 +0800)]
MLK-10893: i2c: imx: add irqf_no_suspend

The i2c irq is masked when pcie starts a i2c transfer process
during noirq suspend stage. As a result, i2c transfer fails.
To solve the problem, IRQF_NO_SUSPEND is added to i2c bus.

Signed-off-by: Gao Pan <b54642@freescale.com>
Signed-off-by: Fugang Duan <B38611@freescale.com>
(cherrt picked from commit: ab13b0e11c50021905de00a0f3c0df7e0a36a3f0)

7 years agoMLK-10835-5 ARM: imx_v7_defconfig: enable mpl3115,fxas2100x and fxos8700 in defconfig
Fugang Duan [Wed, 6 May 2015 02:02:42 +0000 (10:02 +0800)]
MLK-10835-5 ARM: imx_v7_defconfig: enable mpl3115,fxas2100x and fxos8700 in defconfig

Enable mpl3115,fxas2100x and fxos8700 sensors in defconfig.

Signed-off-by: Fugang Duan <B38611@freescale.com>
(cherry picked from commit: 275be06ee31ffd0b9c2c12fb7e563a6b060bf5a2)

7 years agoMLK-10835-3 input: misc: mpl3115: add Freescale MPL3115 pressure temperature sensor
Fugang Duan [Tue, 5 May 2015 12:36:58 +0000 (20:36 +0800)]
MLK-10835-3 input: misc: mpl3115: add Freescale MPL3115 pressure temperature sensor

Add Freescale MPL3115 pressure temperature sensor.

Signed-off-by: Fugang Duan <B38611@freescale.com>
(cherry picked from commit: a8c2904a442e1aa163b8562e1a940c8755ab3898)

7 years agoMLK-10835-2 misc: fxos8700: add Freescale FXOS8700 6-Axis Acc and Mag Combo Sensor
Fugang Duan [Tue, 5 May 2015 10:58:55 +0000 (18:58 +0800)]
MLK-10835-2 misc: fxos8700: add Freescale FXOS8700 6-Axis Acc and Mag Combo Sensor

Add Freescale FXOS8700 6-Axis Acc and Mag Combo Sensor

Signed-off-by: Fugang Duan <B38611@freescale.com>
(cherry picked from commit: c0ca56bbf3f8503a858d15bb14f27652ae6612eb)

7 years agoMLK-10835-1 misc: fxas2100x: add Freescale FXAS2100X gyroscope sensor
Fugang Duan [Tue, 5 May 2015 09:08:34 +0000 (17:08 +0800)]
MLK-10835-1 misc: fxas2100x: add Freescale FXAS2100X gyroscope sensor

Add Freescale FXAS2100X gyroscope sensor

Signed-off-by: Fugang Duan <B38611@freescale.com>
(cherry picked from commit: 34a99f00d4886f95a8cf8cd4acbf37a82c67e46c)

7 years agoMLK-10833-3 imx_v7_defconfig: enable mag3110 by default
Fugang Duan [Mon, 27 Jul 2015 08:41:32 +0000 (16:41 +0800)]
MLK-10833-3 imx_v7_defconfig: enable mag3110 by default

Enable mag3110 driver in default config.

Signed-off-by: Luwei Zhou <b45643@freescale.com>
Signed-off-by: Fugang Duan <B38611@freescale.com>
(cherry picked from commit: ac43097186e94d5ecfdbc3c6a514aa20e5a7f8ca)

7 years agoMLK-10833-2 hwmon: mag3110: use global variable instead of macro define
Fugang Duan [Wed, 6 May 2015 11:37:44 +0000 (19:37 +0800)]
MLK-10833-2 hwmon: mag3110: use global variable instead of macro define

Use global variable instead of macro "MAG3110_IRQ_USED" that is more
flexible.

Signed-off-by: Fugang Duan <B38611@freescale.com>
7 years agoMLK-10833-1 hwmon: mag3110: Add mag3110 driver support on i.MX6Q/DL/SX platform.
Luwei Zhou [Tue, 16 Sep 2014 05:05:41 +0000 (13:05 +0800)]
MLK-10833-1 hwmon: mag3110: Add mag3110 driver support on i.MX6Q/DL/SX platform.

Add mag3110 driver support for i.MX6Q/DL/SX platform. The code derives from 3.10.y branch.

Signed-off-by: Luwei Zhou <b45643@freescale.com>
Signed-off-by: Fugang Duan <B38611@freescale.com>
(cherry picked from commit: dd027baab7652c62d26f1749f334099e4dbe61c9)

7 years agoMLK-10369 ARM: dts: Add i2c bus support for i.MX7d-sdb board
Fugang Duan [Mon, 27 Jul 2015 08:28:48 +0000 (16:28 +0800)]
MLK-10369 ARM: dts: Add i2c bus support for i.MX7d-sdb board

- Add i2c1,2,3,4 bus support for i.MX7d-sdb board (i2c4 bus need to
  rework: swap R485 and R33).
- Add i2c device PMIC support.

Signed-off-by: Fugang Duan <B38611@freescale.com>
(cherry picked from commit: 45acb911f7192fcc574f1e0faaf19513b9879046)

7 years agoMLK-11288 ARM: dts: imx7d-sdb: add fec1, fec2 support
Fugang Duan [Mon, 27 Jul 2015 06:38:38 +0000 (14:38 +0800)]
MLK-11288 ARM: dts: imx7d-sdb: add fec1, fec2 support

Add fec1, fec2 support for i.MX7d-sdb board.

Signed-off-by: Fugang Duan <B38611@freescale.com>
7 years agoMLK-10919 net: phy: micrel: add ksz8081 resume function
Fugang Duan [Mon, 27 Jul 2015 07:40:00 +0000 (15:40 +0800)]
MLK-10919 net: phy: micrel: add ksz8081 resume function

Add ksz8081 resume function since the phy has some non-standard
register init process that has some fixup.

Signed-off-by: Fugang Duan <B38611@freescale.com>
(cherry picked from commit: 65c6e997b8e020b9e87d1af23c94c15c13e3d2e3)

7 years agoMLK-10920 ARM: imx_v7_defconfig: enable MICREL phy
Fugang Duan [Tue, 19 May 2015 03:03:55 +0000 (11:03 +0800)]
MLK-10920 ARM: imx_v7_defconfig: enable MICREL phy

Enable CONFIG_MICREL_PHY for MICREL PHY since i.MX6ul boards install
micrel ksz8081 phy.

Signed-off-by: Fugang Duan <B38611@freescale.com>
(cherry picked from commit: 626d87758e1724ff92708da11e8af0081bb69ce9)

7 years agoMLK-10472-2 ARM: imx_v7_defconfig: enable max7322 in default config
Fugang Duan [Mon, 27 Jul 2015 06:53:21 +0000 (14:53 +0800)]
MLK-10472-2 ARM: imx_v7_defconfig: enable max7322 in default config

Enable max7322 extention gpio driver in config

Signed-off-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: Luwei Zhou <b45643@freescale.com>
(cherry picked from commit: 575b7e4c2f85b08fb09d6a639adb404718b9b644)

7 years agoMLK-11274 net: fec: add mii bus up_failed flag to reflect the real status
Fugang Duan [Wed, 22 Jul 2015 04:42:40 +0000 (12:42 +0800)]
MLK-11274 net: fec: add mii bus up_failed flag to reflect the real status

Add mii bus up_failed flag to reflect the real mii bus status.

Signed-off-by: Fugang Duan <B38611@freescale.com>
Reported-and-tested-by: Zhang Sanshan <B51434@freescale.com>
(cherry picked from commit: ea348e597501d44841a28d8ee099361e89d63520)

7 years agoMLK-10939-01 net: fec: add stop mode support for dts register set
Fugang Duan [Wed, 20 May 2015 10:36:19 +0000 (18:36 +0800)]
MLK-10939-01 net: fec: add stop mode support for dts register set

The current driver support stop mode by calling machine api.
The patch add dts support to set gpr register for stop request.

After magic pattern comming during system suspend status, system will
be waked up, and irq handler will be running, there have enet register
access. Since all clocks are disabled in suspend, and clocks are enabled
after resume function. But irq handler run before resume function.

For imx7d chip, access register need some clocks enabled, otherwise system
hang. So the patch also disable wake up irq in the suspend, after resume
back enable the irq, which can avoid system hang issue.

Signed-off-by: Fugang Duan <B38611@freescale.com>
(cherry pick and merge from commit: 8da4f80af0913781a4f9d50917c1dd66180e519d)

7 years agoMLK-10724-6 net: fec: add i.mx6ul enet support
Anson Huang [Thu, 23 Apr 2015 11:04:10 +0000 (19:04 +0800)]
MLK-10724-6 net: fec: add i.mx6ul enet support

i.MX6UL enet is the lite edition of i.MX6Q enet,
don't support Gbps mode.

Signed-off-by: Fugang Duan <B38611@freescale.com>
(cherry picked from commit: 32a2c3878322d8322a29c52af18de7707134ca1c)

7 years agoMLK-9919 net: fec: reinit MAC0 MII bus for MAC1 use after resume back
Fugang Duan [Wed, 10 Dec 2014 05:46:08 +0000 (13:46 +0800)]
MLK-9919 net: fec: reinit MAC0 MII bus for MAC1 use after resume back

i.MX6SX-AI board has two enet MACs (MAC0 and MAC1), they share MAC0 MII
bus. When PHY0 don't connect to enet MAC0, MAC0 mii bus probe phy0 failed,
and the net interface is set to unattach mode. During suspend resume test,
driver don't reinit MAC0 after resume back, so MII bus don't work that causes
MAC1 also cannot access PHY1.

The patch just is workaround that reinit MAC0 MII bus for MAC1 using.

Signed-off-by: Fugang Duan <B38611@freescale.com>
(cherry picked from commit: b730adeef4f9b44e302c793cbef35ea74f24fbef)

7 years agoMLK-9691 net: fec: call .pm_qos_remove_request() in .ndo_stop() callback
Fugang Duan [Tue, 14 Oct 2014 08:44:57 +0000 (16:44 +0800)]
MLK-9691 net: fec: call .pm_qos_remove_request() in .ndo_stop() callback

Call .pm_qos_remove_request() in .ndo_stop() callback to avoid kernel
warning during enet open/close test.

Signed-off-by: Fugang Duan <B38611@freescale.com>
(cherry picked from commit: f81c176d36b8189220a729d723801d2cdd495108)

7 years agoMLK-11285-02 net:fec: add enet AVB Ubuntu Gstreamer demo support
Fugang Duan [Fri, 10 Oct 2014 08:25:26 +0000 (16:25 +0800)]
MLK-11285-02 net:fec: add enet AVB Ubuntu Gstreamer demo support

Support Gstreamer AVB demo support.

ring1 -> ClassA, ring2 -> ClassB, ring0 -> Best Effort

For QoS: ring1 > ring2 > ring0
For bandwidth reverse:
      50% bandwidth -> ClassA
      33% bandwidth -> ClassB
      17% bandwidth -> Best effort queue

In general, ClassA run audio, ClassB run video.
Since AVB demo use big bandwidth streaming, video cost more than
33Mbps bandwidth, and with Qos limitation: ClassA >= ClassB > Best effort,
so we have to change ring2 bandwidth equal to ring1 bandwidth (50%).
After validate on FPGA, AVB demo can work fine for audio and video.

Signed-off-by: Fugang Duan <B38611@freescale.com>
(cherry picked from commit 93d6579a7b3d2dafa721c835df5d5f7d30ed386e)

7 years agoMLK-11285-01 net: fec: handle WAIT mode issue for imx6qdl
Shawn Guo [Mon, 15 Sep 2014 03:20:58 +0000 (11:20 +0800)]
MLK-11285-01 net: fec: handle WAIT mode issue for imx6qdl

This is a combination of commits 919d46e37e04 (ENGR00265935 net: fec:
add pm_qos to avoid cpu enter to wait mode) and 8a12c90c9974
(ENGR00313685-14 net: fec: check workaround for FEC_QUIRK_BUG_WAITMODE)
from imx_3.10.y branch.  It's added for imx_3.14.y branch to work around
imx6qdl issue ERR006687 (ENET: Only the ENET wake-up interrupt request
can wake the system from Wait mode).

Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
(cherry-pick and merge from commit: 4f406fae257cc7945a0e3a425213440bb12ba345)

7 years agoMLK-11265-11 ARM: configs: enable imx7d soc support by default
Anson Huang [Wed, 22 Jul 2015 02:40:07 +0000 (10:40 +0800)]
MLK-11265-11 ARM: configs: enable imx7d soc support by default

Enable CONFIG_SOC_IMX7D by default.

Signed-off-by: Anson Huang <b20788@freescale.com>
7 years agoMLK-11265-10 ARM: configs: add imx v7 support
Anson Huang [Mon, 20 Jul 2015 09:00:16 +0000 (17:00 +0800)]
MLK-11265-10 ARM: configs: add imx v7 support

Add imx_v7_defconfig and imx_v7_mfg_defconfig support
for V7 only.

Signed-off-by: Anson Huang <b20788@freescale.com>
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
7 years agoMLK-11265-7 ARM: imx: add smp support for imx7d
Anson Huang [Thu, 27 Oct 2016 12:33:59 +0000 (15:33 +0300)]
MLK-11265-7 ARM: imx: add smp support for imx7d

Add SMP support for i.MX7D, including CPU hotplug support.

Signed-off-by: Anson Huang <b20788@freescale.com>
7 years agoMLK-11265-8 ARM: imx: add pm support for imx7d
Octavian Purdila [Thu, 27 Oct 2016 12:15:25 +0000 (15:15 +0300)]
MLK-11265-8 ARM: imx: add pm support for imx7d

Add i.MX7D suspend/resume support, including standby
and mem mode support, mega/fast mix off and DDR
retention support.

Signed-off-by: Anson Huang <b20788@freescale.com>
7 years agoMLK-11265-9 ARM: imx: add ddrc driver support
Anson Huang [Mon, 20 Jul 2015 08:59:24 +0000 (16:59 +0800)]
MLK-11265-9 ARM: imx: add ddrc driver support

i.MX7D has a new IP block of DDR controller called
DDRC, add driver for this module.

Signed-off-by: Anson Huang <b20788@freescale.com>
7 years agoMLK-11265-6 ARM: imx: add imx7d msl support
Anson Huang [Thu, 27 Oct 2016 10:55:15 +0000 (13:55 +0300)]
MLK-11265-6 ARM: imx: add imx7d msl support

Add MSL support for new SoC i.MX7D.

Signed-off-by: Anson Huang <b20788@freescale.com>
[Octavian: update upstream with minimal diff from mx_4.1.y to allow compile]
Signed-off-by: Octavian Purdila <octavian.purdila@nxp.com>
7 years agoMLK-11265-2 ARM: dts: add imx7d board dtb
Anson Huang [Wed, 22 Jul 2015 02:35:01 +0000 (10:35 +0800)]
MLK-11265-2 ARM: dts: add imx7d board dtb

Add i.MX7D 12x12 LPDDR3 ARM2 board and SabreSD board
dtb support.

Signed-off-by: Anson Huang <b20788@freescale.com>
7 years agoMLK-11265-1 ARM: dts: add imx7d soc dtsi support
Anson Huang [Wed, 22 Jul 2015 02:34:02 +0000 (10:34 +0800)]
MLK-11265-1 ARM: dts: add imx7d soc dtsi support

Add new SoC i.MX7D dtsi and pinfunc head file.

Signed-off-by: Anson Huang <b20788@freescale.com>
7 years agoLinux 4.9.88
Greg Kroah-Hartman [Sun, 18 Mar 2018 10:18:56 +0000 (11:18 +0100)]
Linux 4.9.88

7 years agoPCI: dwc: Fix enumeration end when reaching root subordinate
Koen Vandeputte [Wed, 7 Mar 2018 16:46:39 +0000 (10:46 -0600)]
PCI: dwc: Fix enumeration end when reaching root subordinate

commit fc110ebdd014dd1368c98e7685b47789c31fab42 upstream.

The subordinate value indicates the highest bus number which can be
reached downstream though a certain device.

Commit a20c7f36bd3d ("PCI: Do not allocate more buses than available in
parent") ensures that downstream devices cannot assign busnumbers higher
than the upstream device subordinate number, which was indeed illogical.

By default, dw_pcie_setup_rc() inits the Root Complex subordinate to a
value of 0x01.

Due to this combined with above commit, enumeration stops digging deeper
downstream as soon as bus num 0x01 has been assigned, which is always the
case for a bridge device.

This results in all devices behind a bridge bus remaining undetected, as
these would be connected to bus 0x02 or higher.

Fix this by initializing the RC to a subordinate value of 0xff, which is
not altering hardware behaviour in any way, but informs probing function
pci_scan_bridge() later on which reads this value back from register.

The following nasty errors during boot are also fixed by this:

  pci_bus 0000:02: busn_res: can not insert [bus 02-ff] under [bus 01] (conflicts with (null) [bus 01])
  ...
  pci_bus 0000:03: [bus 03] partially hidden behind bridge 0000:01 [bus 01]
  ...
  pci_bus 0000:04: [bus 04] partially hidden behind bridge 0000:01 [bus 01]
  ...
  pci_bus 0000:05: [bus 05] partially hidden behind bridge 0000:01 [bus 01]
  pci_bus 0000:02: busn_res: [bus 02-ff] end is updated to 05
  pci_bus 0000:02: busn_res: can not insert [bus 02-05] under [bus 01] (conflicts with (null) [bus 01])
  pci_bus 0000:02: [bus 02-05] partially hidden behind bridge 0000:01 [bus 01]

Fixes: a20c7f36bd3d ("PCI: Do not allocate more buses than available in
parent")
Tested-by: Niklas Cassel <niklas.cassel@axis.com>
Tested-by: Fabio Estevam <fabio.estevam@nxp.com>
Tested-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Lucas Stach <l.stach@pengutronix.de>
Cc: stable@vger.kernel.org # v4.15+
Cc: Binghui Wang <wangbinghui@hisilicon.com>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: Jianguo Sun <sunjianguo1@huawei.com>
Cc: Jingoo Han <jingoohan1@gmail.com>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: Minghuan Lian <minghuan.Lian@freescale.com>
Cc: Mingkai Hu <mingkai.hu@freescale.com>
Cc: Murali Karicheri <m-karicheri2@ti.com>
Cc: Pratyush Anand <pratyush.anand@gmail.com>
Cc: Richard Zhu <hongxing.zhu@nxp.com>
Cc: Roy Zang <tie-fei.zang@freescale.com>
Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: Stanimir Varbanov <svarbanov@mm-sol.com>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Xiaowei Song <songxiaowei@hisilicon.com>
Cc: Zhou Wang <wangzhou1@hisilicon.com>
[fabio: adapted to the file location of 4.9 kernel]
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agoearlycon: add reg-offset to physical address before mapping
Greentime Hu [Tue, 13 Feb 2018 09:09:08 +0000 (17:09 +0800)]
earlycon: add reg-offset to physical address before mapping

commit 1f66dd36bb18437397ea0d7882c52f7e3c476e15 upstream.

It will get the wrong virtual address because port->mapbase is not added
the correct reg-offset yet. We have to update it before earlycon_map()
is called

Signed-off-by: Greentime Hu <greentime@andestech.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Cc: Peter Hurley <peter@hurleysoftware.com>
Cc: stable@vger.kernel.org
Fixes: 088da2a17619 ("of: earlycon: Initialize port fields from DT properties")
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agoserial: core: mark port as initialized in autoconfig
Sebastian Andrzej Siewior [Sat, 3 Feb 2018 11:27:23 +0000 (12:27 +0100)]
serial: core: mark port as initialized in autoconfig

commit 714569064adee3c114a2a6490735b94abe269068 upstream.

This is a followup on 44117a1d1732 ("serial: core: mark port as
initialized after successful IRQ change").
Nikola has been using autoconfig via setserial and reported a crash
similar to what I fixed in the earlier mentioned commit. Here I do the
same fixup for the autoconfig. I wasn't sure that this is the right
approach. Nikola confirmed that it fixes his crash.

Fixes: b3b576461864 ("tty: serial_core: convert uart_open to use tty_port_open")
Link: http://lkml.kernel.org/r/20180131072000.GD1853@localhost.localdomain
Reported-by: Nikola Ciprich <nikola.ciprich@linuxbox.cz>
Tested-by: Nikola Ciprich <nikola.ciprich@linuxbox.cz>
Cc: <stable@vger.kernel.org>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Tested-by: Nikola Ciprich <nikola.ciprich@linuxbox.cz>
Acked-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agoserial: 8250_pci: Add Brainboxes UC-260 4 port serial device
Nikola Ciprich [Tue, 13 Feb 2018 14:04:46 +0000 (15:04 +0100)]
serial: 8250_pci: Add Brainboxes UC-260 4 port serial device

commit 9f2068f35729948bde84d87a40d135015911345d upstream.

Add PCI ids for two variants of Brainboxes UC-260 quad port
PCI serial cards.

Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Nikola Ciprich <nikola.ciprich@linuxbox.cz>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agousb: gadget: f_fs: Fix use-after-free in ffs_fs_kill_sb()
Xinyong [Fri, 2 Mar 2018 11:20:07 +0000 (19:20 +0800)]
usb: gadget: f_fs: Fix use-after-free in ffs_fs_kill_sb()

commit 1a087f032111a88e826877449dfb93ceb22b78b9 upstream.

When I debug a kernel crash issue in funcitonfs, found ffs_data.ref
overflowed, While functionfs is unmounting, ffs_data is put twice.

Commit 43938613c6fd ("drivers, usb: convert ffs_data.ref from atomic_t to
refcount_t") can avoid refcount overflow, but that is risk some situations.
So no need put ffs data in ffs_fs_kill_sb, already put in ffs_data_closed.

The issue can be reproduced in Mediatek mt6763 SoC, ffs for ADB device.
KASAN enabled configuration reports use-after-free errro.

BUG: KASAN: use-after-free in refcount_dec_and_test+0x14/0xe0 at addr ffffffc0579386a0
Read of size 4 by task umount/4650
====================================================
BUG kmalloc-512 (Tainted: P        W  O   ): kasan: bad access detected
-----------------------------------------------------------------------------

INFO: Allocated in ffs_fs_mount+0x194/0x844 age=22856 cpu=2 pid=566
    alloc_debug_processing+0x1ac/0x1e8
    ___slab_alloc.constprop.63+0x640/0x648
    __slab_alloc.isra.57.constprop.62+0x24/0x34
    kmem_cache_alloc_trace+0x1a8/0x2bc
    ffs_fs_mount+0x194/0x844
    mount_fs+0x6c/0x1d0
    vfs_kern_mount+0x50/0x1b4
    do_mount+0x258/0x1034
INFO: Freed in ffs_data_put+0x25c/0x320 age=0 cpu=3 pid=4650
    free_debug_processing+0x22c/0x434
    __slab_free+0x2d8/0x3a0
    kfree+0x254/0x264
    ffs_data_put+0x25c/0x320
    ffs_data_closed+0x124/0x15c
    ffs_fs_kill_sb+0xb8/0x110
    deactivate_locked_super+0x6c/0x98
    deactivate_super+0xb0/0xbc
INFO: Object 0xffffffc057938600 @offset=1536 fp=0x          (null)
......
Call trace:
[<ffffff900808cf5c>] dump_backtrace+0x0/0x250
[<ffffff900808d3a0>] show_stack+0x14/0x1c
[<ffffff90084a8c04>] dump_stack+0xa0/0xc8
[<ffffff900826c2b4>] print_trailer+0x158/0x260
[<ffffff900826d9d8>] object_err+0x3c/0x40
[<ffffff90082745f0>] kasan_report_error+0x2a8/0x754
[<ffffff9008274f84>] kasan_report+0x5c/0x60
[<ffffff9008273208>] __asan_load4+0x70/0x88
[<ffffff90084cd81c>] refcount_dec_and_test+0x14/0xe0
[<ffffff9008d98f9c>] ffs_data_put+0x80/0x320
[<ffffff9008d9d904>] ffs_fs_kill_sb+0xc8/0x110
[<ffffff90082852a0>] deactivate_locked_super+0x6c/0x98
[<ffffff900828537c>] deactivate_super+0xb0/0xbc
[<ffffff90082af0c0>] cleanup_mnt+0x64/0xec
[<ffffff90082af1b0>] __cleanup_mnt+0x10/0x18
[<ffffff90080d9e68>] task_work_run+0xcc/0x124
[<ffffff900808c8c0>] do_notify_resume+0x60/0x70
[<ffffff90080866e4>] work_pending+0x10/0x14

Cc: stable@vger.kernel.org
Signed-off-by: Xinyong <xinyong.fang@linux.alibaba.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agousb: usbmon: Read text within supplied buffer size
Pete Zaitcev [Fri, 9 Mar 2018 06:21:14 +0000 (00:21 -0600)]
usb: usbmon: Read text within supplied buffer size

commit a5f596830e27e15f7a0ecd6be55e433d776986d8 upstream.

This change fixes buffer overflows and silent data corruption with the
usbmon device driver text file read operations.

Signed-off-by: Fredrik Noring <noring@nocrew.org>
Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agousb: quirks: add control message delay for 1b1c:1b20
Danilo Krummrich [Tue, 6 Mar 2018 08:38:49 +0000 (09:38 +0100)]
usb: quirks: add control message delay for 1b1c:1b20

commit cb88a0588717ba6c756cb5972d75766b273a6817 upstream.

Corsair Strafe RGB keyboard does not respond to usb control messages
sometimes and hence generates timeouts.

Commit de3af5bf259d ("usb: quirks: add delay init quirk for Corsair
Strafe RGB keyboard") tried to fix those timeouts by adding
USB_QUIRK_DELAY_INIT.

Unfortunately, even with this quirk timeouts of usb_control_msg()
can still be seen, but with a lower frequency (approx. 1 out of 15):

[   29.103520] usb 1-8: string descriptor 0 read error: -110
[   34.363097] usb 1-8: can't set config #1, error -110

Adding further delays to different locations where usb control
messages are issued just moves the timeouts to other locations,
e.g.:

[   35.400533] usbhid 1-8:1.0: can't add hid device: -110
[   35.401014] usbhid: probe of 1-8:1.0 failed with error -110

The only way to reliably avoid those issues is having a pause after
each usb control message. In approx. 200 boot cycles no more timeouts
were seen.

Addionaly, keep USB_QUIRK_DELAY_INIT as it turned out to be necessary
to have the delay in hub_port_connect() after hub_port_init().

The overall boot time seems not to be influenced by these additional
delays, even on fast machines and lightweight distributions.

Fixes: de3af5bf259d ("usb: quirks: add delay init quirk for Corsair Strafe RGB keyboard")
Cc: stable@vger.kernel.org
Signed-off-by: Danilo Krummrich <danilokrummrich@dk-develop.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agousbip: vudc: fix null pointer dereference on udc->lock
Colin Ian King [Thu, 22 Feb 2018 17:39:17 +0000 (17:39 +0000)]
usbip: vudc: fix null pointer dereference on udc->lock

commit df3334c223a033f562645712e832ca4cbb326bbf upstream.

Currently the driver attempts to spin lock on udc->lock before a NULL
pointer check is performed on udc, hence there is a potential null
pointer dereference on udc->lock.  Fix this by moving the null check
on udc before the lock occurs.

Fixes: ea6873a45a22 ("usbip: vudc: Add SysFS infrastructure for VUDC")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Shuah Khan <shuahkh@osg.samsung.com>
Reviewed-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agoUSB: storage: Add JMicron bridge 152d:2567 to unusual_devs.h
Teijo Kinnunen [Thu, 1 Mar 2018 17:34:29 +0000 (19:34 +0200)]
USB: storage: Add JMicron bridge 152d:2567 to unusual_devs.h

commit 5126a504b63d82785eaece3a9c30c660b313785a upstream.

This USB-SATA controller seems to be similar with JMicron bridge
152d:2566 already on the list. Adding it here fixes "Invalid
field in cdb" errors.

Signed-off-by: Teijo Kinnunen <teijo.kinnunen@code-q.fi>
Cc: stable@vger.kernel.org
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agostaging: android: ashmem: Fix lockdep issue during llseek
Joel Fernandes [Fri, 16 Feb 2018 19:02:01 +0000 (11:02 -0800)]
staging: android: ashmem: Fix lockdep issue during llseek

commit cb57469c9573f6018cd1302953dd45d6e05aba7b upstream.

ashmem_mutex create a chain of dependencies like so:

(1)
mmap syscall ->
  mmap_sem ->  (acquired)
  ashmem_mmap
  ashmem_mutex (try to acquire)
  (block)

(2)
llseek syscall ->
  ashmem_llseek ->
  ashmem_mutex ->  (acquired)
  inode_lock ->
  inode->i_rwsem (try to acquire)
  (block)

(3)
getdents ->
  iterate_dir ->
  inode_lock ->
  inode->i_rwsem   (acquired)
  copy_to_user ->
  mmap_sem         (try to acquire)

There is a lock ordering created between mmap_sem and inode->i_rwsem
causing a lockdep splat [2] during a syzcaller test, this patch fixes
the issue by unlocking the mutex earlier. Functionally that's Ok since
we don't need to protect vfs_llseek.

[1] https://patchwork.kernel.org/patch/10185031/
[2] https://lkml.org/lkml/2018/1/10/48

Acked-by: Todd Kjos <tkjos@google.com>
Cc: Arve Hjonnevag <arve@android.com>
Cc: stable@vger.kernel.org
Reported-by: syzbot+8ec30bb7bf1a981a2012@syzkaller.appspotmail.com
Signed-off-by: Joel Fernandes <joelaf@google.com>
Acked-by: Greg Hackmann <ghackmann@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agostaging: comedi: fix comedi_nsamples_left.
Frank Mori Hess [Thu, 15 Feb 2018 20:13:42 +0000 (15:13 -0500)]
staging: comedi: fix comedi_nsamples_left.

commit a42ae5905140c324362fe5036ae1dbb16e4d359c upstream.

A rounding error was causing comedi_nsamples_left to
return the wrong value when nsamples was not a multiple
of the scan length.

Cc: <stable@vger.kernel.org> # v4.4+
Signed-off-by: Frank Mori Hess <fmh6jj@gmail.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agouas: fix comparison for error code
Oliver Neukum [Tue, 6 Mar 2018 14:04:24 +0000 (15:04 +0100)]
uas: fix comparison for error code

commit 9a513c905bb95bef79d96feb08621c1ec8d8c4bb upstream.

A typo broke the comparison.

Fixes: cbeef22fd611 ("usb: uas: unconditionally bring back host after reset")
Signed-off-by: Oliver Neukum <oneukum@suse.com>
CC: stable@kernel.org
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agotty/serial: atmel: add new version check for usart
Jonas Danielsson [Mon, 29 Jan 2018 11:39:15 +0000 (12:39 +0100)]
tty/serial: atmel: add new version check for usart

commit fd63a8903a2c40425a9811c3371dd4d0f42c0ad3 upstream.

On our at91sam9260 based board the usart0 and usart1 ports report
their versions (ATMEL_US_VERSION) as 0x10302. This version is not
included in the current checks in the driver.

Signed-off-by: Jonas Danielsson <jonas@orbital-systems.com>
Acked-by: Richard Genoud <richard.genoud@gmail.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agoserial: sh-sci: prevent lockup on full TTY buffers
Ulrich Hecht [Thu, 15 Feb 2018 12:02:27 +0000 (13:02 +0100)]
serial: sh-sci: prevent lockup on full TTY buffers

commit 7842055bfce4bf0170d0f61df8b2add8399697be upstream.

When the TTY buffers fill up to the configured maximum, a system lockup
occurs:

[  598.820128] INFO: rcu_preempt detected stalls on CPUs/tasks:
[  598.825796]  0-...!: (1 GPs behind) idle=5a6/2/0 softirq=1974/1974 fqs=1
[  598.832577]  (detected by 3, t=62517 jiffies, g=296, c=295, q=126)
[  598.838755] Task dump for CPU 0:
[  598.841977] swapper/0       R  running task        0     0      0 0x00000022
[  598.849023] Call trace:
[  598.851476]  __switch_to+0x98/0xb0
[  598.854870]            (null)

This can be prevented by doing a dummy read of the RX data register.

This issue affects both HSCIF and SCIF ports. Reported for R-Car H3 ES2.0;
reproduced and fixed on H3 ES1.1. Probably affects other R-Car platforms
as well.

Reported-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: stable <stable@vger.kernel.org>
Tested-by: Nguyen Viet Dung <dung.nguyen.aj@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agoASoC: rt5651: Fix regcache sync errors on resume
Hans de Goede [Sun, 18 Feb 2018 22:01:44 +0000 (23:01 +0100)]
ASoC: rt5651: Fix regcache sync errors on resume

commit 2d30e9494f1ea320aaaad0cff9ddd92c87eac355 upstream.

The ALC5651 does not like multi-write accesses, avoid them. This fixes:

rt5651 i2c-10EC5651:00: Unable to sync registers 0x27-0x28. -121

Errors on resume (and all registers after the registers in the error not
being synced).

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agoASoC: sgtl5000: Fix suspend/resume
Fabio Estevam [Fri, 16 Feb 2018 13:58:54 +0000 (11:58 -0200)]
ASoC: sgtl5000: Fix suspend/resume

commit a8992973edbb2555e956b90f6fe97c4bc14d761d upstream.

Commit 8419caa72702 ("ASoC: sgtl5000: Do not disable regulators in
SND_SOC_BIAS_OFF") causes the sgtl5000 to fail after a suspend/resume
sequence:

Playing WAVE '/media/a2002011001-e02.wav' : Signed 16 bit Little
Endian, Rate 44100 Hz, Stereo
aplay: pcm_write:2051: write error: Input/output error

The problem is caused by the fact that the aforementioned commit
dropped the cache handling, so re-introduce the register map
resync to fix the problem.

Suggested-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agox86: Treat R_X86_64_PLT32 as R_X86_64_PC32
H.J. Lu [Wed, 7 Feb 2018 22:20:09 +0000 (14:20 -0800)]
x86: Treat R_X86_64_PLT32 as R_X86_64_PC32

commit b21ebf2fb4cde1618915a97cc773e287ff49173e upstream.

On i386, there are 2 types of PLTs, PIC and non-PIC.  PIE and shared
objects must use PIC PLT.  To use PIC PLT, you need to load
_GLOBAL_OFFSET_TABLE_ into EBX first.  There is no need for that on
x86-64 since x86-64 uses PC-relative PLT.

On x86-64, for 32-bit PC-relative branches, we can generate PLT32
relocation, instead of PC32 relocation, which can also be used as
a marker for 32-bit PC-relative branches.  Linker can always reduce
PLT32 relocation to PC32 if function is defined locally.   Local
functions should use PC32 relocation.  As far as Linux kernel is
concerned, R_X86_64_PLT32 can be treated the same as R_X86_64_PC32
since Linux kernel doesn't use PLT.

R_X86_64_PLT32 for 32-bit PC-relative branches has been enabled in
binutils master branch which will become binutils 2.31.

[ hjl is working on having better documentation on this all, but a few
  more notes from him:

   "PLT32 relocation is used as marker for PC-relative branches. Because
    of EBX, it looks odd to generate PLT32 relocation on i386 when EBX
    doesn't have GOT.

    As for symbol resolution, PLT32 and PC32 relocations are almost
    interchangeable. But when linker sees PLT32 relocation against a
    protected symbol, it can resolved locally at link-time since it is
    used on a branch instruction. Linker can't do that for PC32
    relocation"

  but for the kernel use, the two are basically the same, and this
  commit gets things building and working with the current binutils
  master   - Linus ]

Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agox86/module: Detect and skip invalid relocations
Josh Poimboeuf [Fri, 3 Nov 2017 12:58:54 +0000 (07:58 -0500)]
x86/module: Detect and skip invalid relocations

commit eda9cec4c9a12208a6f69fbe68f72a6311d50032 upstream.

There have been some cases where external tooling (e.g., kpatch-build)
creates a corrupt relocation which targets the wrong address.  This is a
silent failure which can corrupt memory in unexpected places.

On x86, the bytes of data being overwritten by relocations are always
initialized to zero beforehand.  Use that knowledge to add sanity checks
to detect such cases before they corrupt memory.

Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: jeyu@kernel.org
Cc: live-patching@vger.kernel.org
Link: http://lkml.kernel.org/r/37450d6c6225e54db107fba447ce9e56e5f758e9.1509713553.git.jpoimboe@redhat.com
[ Restructured the messages, as it's unclear whether the relocation or the target is corrupted. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agoNFS: Fix unstable write completion
Trond Myklebust [Wed, 7 Mar 2018 20:22:31 +0000 (15:22 -0500)]
NFS: Fix unstable write completion

commit c4f24df942a181699c5bab01b8e5e82b925f77f3 upstream.

We do want to respect the FLUSH_SYNC argument to nfs_commit_inode() to
ensure that all outstanding COMMIT requests to the inode in question are
complete. Currently we may exit early from both nfs_commit_inode() and
nfs_write_inode() even if there are COMMIT requests in flight, or unstable
writes on the commit list.

In order to get the right semantics w.r.t. sync_inode(), we don't need
to have nfs_commit_inode() reset the inode dirty flags when called from
nfs_wb_page() and/or nfs_wb_all(). We just need to ensure that
nfs_write_inode() leaves them in the right state if there are outstanding
commits, or stable pages.

Reported-by: Scott Mayhew <smayhew@redhat.com>
Fixes: dc4fd9ab01ab ("nfs: don't wait on commit in nfs_commit_inode()...")
Cc: stable@vger.kernel.org # v4.14+
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agoNFS: Fix an incorrect type in struct nfs_direct_req
Trond Myklebust [Tue, 6 Mar 2018 17:47:08 +0000 (12:47 -0500)]
NFS: Fix an incorrect type in struct nfs_direct_req

commit d9ee65539d3eabd9ade46cca1780e3309ad0f907 upstream.

The start offset needs to be of type loff_t.

Fixed: 5fadeb47dcc5c ("nfs: count DIO good bytes correctly with mirroring")
Cc: stable@vger.kernel.org # v4.0+
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agoscsi: qla2xxx: Replace fcport alloc with qla2x00_alloc_fcport
Quinn Tran [Mon, 4 Dec 2017 22:45:10 +0000 (14:45 -0800)]
scsi: qla2xxx: Replace fcport alloc with qla2x00_alloc_fcport

commit 063b36d6b0ad74c748d536f5cb47bac2f850a0fa upstream.

Current code manually allocate an fcport structure that is not properly
initialize. Replace kzalloc with qla2x00_alloc_fcport, so that all
fields are initialized.  Also set set scan flag to port found

Cc: <stable@vger.kernel.org>
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agoubi: Fix race condition between ubi volume creation and udev
Clay McClure [Fri, 22 Sep 2017 02:01:34 +0000 (19:01 -0700)]
ubi: Fix race condition between ubi volume creation and udev

commit a51a0c8d213594bc094cb8e54aad0cb6d7f7b9a6 upstream.

Similar to commit 714fb87e8bc0 ("ubi: Fix race condition between ubi
device creation and udev"), we should make the volume active before
registering it.

Signed-off-by: Clay McClure <clay@daemons.net>
Cc: <stable@vger.kernel.org>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agoext4: inplace xattr block update fails to deduplicate blocks
Tahsin Erdogan [Sun, 6 Aug 2017 02:41:42 +0000 (22:41 -0400)]
ext4: inplace xattr block update fails to deduplicate blocks

commit ec00022030da5761518476096626338bd67df57a upstream.

When an xattr block has a single reference, block is updated inplace
and it is reinserted to the cache. Later, a cache lookup is performed
to see whether an existing block has the same contents. This cache
lookup will most of the time return the just inserted entry so
deduplication is not achieved.

Running the following test script will produce two xattr blocks which
can be observed in "File ACL: " line of debugfs output:

  mke2fs -b 1024 -I 128 -F -O extent /dev/sdb 1G
  mount /dev/sdb /mnt/sdb

  touch /mnt/sdb/{x,y}

  setfattr -n user.1 -v aaa /mnt/sdb/x
  setfattr -n user.2 -v bbb /mnt/sdb/x

  setfattr -n user.1 -v aaa /mnt/sdb/y
  setfattr -n user.2 -v bbb /mnt/sdb/y

  debugfs -R 'stat x' /dev/sdb | cat
  debugfs -R 'stat y' /dev/sdb | cat

This patch defers the reinsertion to the cache so that we can locate
other blocks with the same contents.

Signed-off-by: Tahsin Erdogan <tahsin@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Andreas Dilger <adilger@dilger.ca>
Signed-off-by: Tommi Rantala <tommi.t.rantala@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agonetfilter: x_tables: pack percpu counter allocations
Florian Westphal [Tue, 22 Nov 2016 13:44:19 +0000 (14:44 +0100)]
netfilter: x_tables: pack percpu counter allocations

commit ae0ac0ed6fcf5af3be0f63eb935f483f44a402d2 upstream.

instead of allocating each xt_counter individually, allocate 4k chunks
and then use these for counter allocation requests.

This should speed up rule evaluation by increasing data locality,
also speeds up ruleset loading because we reduce calls to the percpu
allocator.

As Eric points out we can't use PAGE_SIZE, page_allocator would fail on
arches with 64k page size.

Suggested-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agonetfilter: x_tables: pass xt_counters struct to counter allocator
Florian Westphal [Tue, 22 Nov 2016 13:44:18 +0000 (14:44 +0100)]
netfilter: x_tables: pass xt_counters struct to counter allocator

commit f28e15bacedd444608e25421c72eb2cf4527c9ca upstream.

Keeps some noise away from a followup patch.

Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agonetfilter: x_tables: pass xt_counters struct instead of packet counter
Florian Westphal [Tue, 22 Nov 2016 13:44:17 +0000 (14:44 +0100)]
netfilter: x_tables: pass xt_counters struct instead of packet counter

commit 4d31eef5176df06f218201bc9c0ce40babb41660 upstream.

On SMP we overload the packet counter (unsigned long) to contain
percpu offset.  Hide this from callers and pass xt_counters address
instead.

Preparation patch to allocate the percpu counters in page-sized batch
chunks.

Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agonetfilter: ipv6: fix use-after-free Write in nf_nat_ipv6_manip_pkt
Florian Westphal [Mon, 19 Feb 2018 07:10:17 +0000 (08:10 +0100)]
netfilter: ipv6: fix use-after-free Write in nf_nat_ipv6_manip_pkt

commit b078556aecd791b0e5cb3a59f4c3a14273b52121 upstream.

l4proto->manip_pkt() can cause reallocation of skb head so pointer
to the ipv6 header must be reloaded.

Reported-and-tested-by: <syzbot+10005f4292fc9cc89de7@syzkaller.appspotmail.com>
Fixes: 58a317f1061c89 ("netfilter: ipv6: add IPv6 NAT support")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agonetfilter: bridge: ebt_among: add missing match size checks
Florian Westphal [Mon, 19 Feb 2018 02:01:45 +0000 (03:01 +0100)]
netfilter: bridge: ebt_among: add missing match size checks

commit c4585a2823edf4d1326da44d1524ecbfda26bb37 upstream.

ebt_among is special, it has a dynamic match size and is exempt
from the central size checks.

Therefore it must check that the size of the match structure
provided from userspace is sane by making sure em->match_size
is at least the minimum size of the expected structure.

The module has such a check, but its only done after accessing
a structure that might be out of bounds.

tested with: ebtables -A INPUT ... \
--among-dst fe:fe:fe:fe:fe:fe
--among-dst fe:fe:fe:fe:fe:fe --among-src fe:fe:fe:fe:ff:f,fe:fe:fe:fe:fe:fb,fe:fe:fe:fe:fc:fd,fe:fe:fe:fe:fe:fd,fe:fe:fe:fe:fe:fe
--among-src fe:fe:fe:fe:ff:f,fe:fe:fe:fe:fe:fa,fe:fe:fe:fe:fe:fd,fe:fe:fe:fe:fe:fe,fe:fe:fe:fe:fe:fe

Reported-by: <syzbot+fe0b19af568972814355@syzkaller.appspotmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agonetfilter: ebtables: CONFIG_COMPAT: don't trust userland offsets
Florian Westphal [Mon, 19 Feb 2018 00:24:15 +0000 (01:24 +0100)]
netfilter: ebtables: CONFIG_COMPAT: don't trust userland offsets

commit b71812168571fa55e44cdd0254471331b9c4c4c6 upstream.

We need to make sure the offsets are not out of range of the
total size.
Also check that they are in ascending order.

The WARN_ON triggered by syzkaller (it sets panic_on_warn) is
changed to also bail out, no point in continuing parsing.

Briefly tested with simple ruleset of
-A INPUT --limit 1/s' --log
plus jump to custom chains using 32bit ebtables binary.

Reported-by: <syzbot+845a53d13171abf8bf29@syzkaller.appspotmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agonetfilter: IDLETIMER: be syzkaller friendly
Eric Dumazet [Sat, 17 Feb 2018 03:36:28 +0000 (19:36 -0800)]
netfilter: IDLETIMER: be syzkaller friendly

commit cfc2c740533368b96e2be5e0a4e8c3cace7d9814 upstream.

We had one report from syzkaller [1]

First issue is that INIT_WORK() should be done before mod_timer()
or we risk timer being fired too soon, even with a 1 second timer.

Second issue is that we need to reject too big info->timeout
to avoid overflows in msecs_to_jiffies(info->timeout * 1000), or
risk looping, if result after overflow is 0.

[1]
WARNING: CPU: 1 PID: 5129 at kernel/workqueue.c:1444 __queue_work+0xdf4/0x1230 kernel/workqueue.c:1444
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 5129 Comm: syzkaller159866 Not tainted 4.16.0-rc1+ #230
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 panic+0x1e4/0x41c kernel/panic.c:183
 __warn+0x1dc/0x200 kernel/panic.c:547
 report_bug+0x211/0x2d0 lib/bug.c:184
 fixup_bug.part.11+0x37/0x80 arch/x86/kernel/traps.c:178
 fixup_bug arch/x86/kernel/traps.c:247 [inline]
 do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:296
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315
 invalid_op+0x22/0x40 arch/x86/entry/entry_64.S:988
RIP: 0010:__queue_work+0xdf4/0x1230 kernel/workqueue.c:1444
RSP: 0018:ffff8801db507538 EFLAGS: 00010006
RAX: ffff8801aeb46080 RBX: ffff8801db530200 RCX: ffffffff81481404
RDX: 0000000000000100 RSI: ffffffff86b42640 RDI: 0000000000000082
RBP: ffff8801db507758 R08: 1ffff1003b6a0de5 R09: 000000000000000c
R10: ffff8801db5073f0 R11: 0000000000000020 R12: 1ffff1003b6a0eb6
R13: ffff8801b1067ae0 R14: 00000000000001f8 R15: dffffc0000000000
 queue_work_on+0x16a/0x1c0 kernel/workqueue.c:1488
 queue_work include/linux/workqueue.h:488 [inline]
 schedule_work include/linux/workqueue.h:546 [inline]
 idletimer_tg_expired+0x44/0x60 net/netfilter/xt_IDLETIMER.c:116
 call_timer_fn+0x228/0x820 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7ee/0xb70 kernel/time/timer.c:1666
 run_timer_softirq+0x4c/0x70 kernel/time/timer.c:1692
 __do_softirq+0x2d7/0xb85 kernel/softirq.c:285
 invoke_softirq kernel/softirq.c:365 [inline]
 irq_exit+0x1cc/0x200 kernel/softirq.c:405
 exiting_irq arch/x86/include/asm/apic.h:541 [inline]
 smp_apic_timer_interrupt+0x16b/0x700 arch/x86/kernel/apic/apic.c:1052
 apic_timer_interrupt+0xa9/0xb0 arch/x86/entry/entry_64.S:829
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:777 [inline]
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x5e/0xba kernel/locking/spinlock.c:184
RSP: 0018:ffff8801c20173c8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff12
RAX: dffffc0000000000 RBX: 0000000000000282 RCX: 0000000000000006
RDX: 1ffffffff0d592cd RSI: 1ffff10035d68d23 RDI: 0000000000000282
RBP: ffff8801c20173d8 R08: 1ffff10038402e47 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff8820e5c8
R13: ffff8801b1067ad8 R14: ffff8801aea7c268 R15: ffff8801aea7c278
 __debug_object_init+0x235/0x1040 lib/debugobjects.c:378
 debug_object_init+0x17/0x20 lib/debugobjects.c:391
 __init_work+0x2b/0x60 kernel/workqueue.c:506
 idletimer_tg_create net/netfilter/xt_IDLETIMER.c:152 [inline]
 idletimer_tg_checkentry+0x691/0xb00 net/netfilter/xt_IDLETIMER.c:213
 xt_check_target+0x22c/0x7d0 net/netfilter/x_tables.c:850
 check_target net/ipv6/netfilter/ip6_tables.c:533 [inline]
 find_check_entry.isra.7+0x935/0xcf0 net/ipv6/netfilter/ip6_tables.c:575
 translate_table+0xf52/0x1690 net/ipv6/netfilter/ip6_tables.c:744
 do_replace net/ipv6/netfilter/ip6_tables.c:1160 [inline]
 do_ip6t_set_ctl+0x370/0x5f0 net/ipv6/netfilter/ip6_tables.c:1686
 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline]
 nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115
 ipv6_setsockopt+0x10b/0x130 net/ipv6/ipv6_sockglue.c:927
 udpv6_setsockopt+0x45/0x80 net/ipv6/udp.c:1422
 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2976
 SYSC_setsockopt net/socket.c:1850 [inline]
 SyS_setsockopt+0x189/0x360 net/socket.c:1829
 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287

Fixes: 0902b469bd25 ("netfilter: xtables: idletimer target implementation")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzkaller <syzkaller@googlegroups.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agonetfilter: nat: cope with negative port range
Paolo Abeni [Wed, 14 Feb 2018 16:21:19 +0000 (17:21 +0100)]
netfilter: nat: cope with negative port range

commit db57ccf0f2f4624b4c4758379f8165277504fbd7 upstream.

syzbot reported a division by 0 bug in the netfilter nat code:

divide error: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
    (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 4168 Comm: syzkaller034710 Not tainted 4.16.0-rc1+ #309
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
RIP: 0010:nf_nat_l4proto_unique_tuple+0x291/0x530
net/netfilter/nf_nat_proto_common.c:88
RSP: 0018:ffff8801b2466778 EFLAGS: 00010246
RAX: 000000000000f153 RBX: ffff8801b2466dd8 RCX: ffff8801b2466c7c
RDX: 0000000000000000 RSI: ffff8801b2466c58 RDI: ffff8801db5293ac
RBP: ffff8801b24667d8 R08: ffff8801b8ba6dc0 R09: ffffffff88af5900
R10: ffff8801b24666f0 R11: 0000000000000000 R12: 000000002990f153
R13: 0000000000000001 R14: 0000000000000000 R15: ffff8801b2466c7c
FS:  00000000017e3880(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000208fdfe4 CR3: 00000001b5340002 CR4: 00000000001606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
  dccp_unique_tuple+0x40/0x50 net/netfilter/nf_nat_proto_dccp.c:30
  get_unique_tuple+0xc28/0x1c10 net/netfilter/nf_nat_core.c:362
  nf_nat_setup_info+0x1c2/0xe00 net/netfilter/nf_nat_core.c:406
  nf_nat_redirect_ipv6+0x306/0x730 net/netfilter/nf_nat_redirect.c:124
  redirect_tg6+0x7f/0xb0 net/netfilter/xt_REDIRECT.c:34
  ip6t_do_table+0xc2a/0x1a30 net/ipv6/netfilter/ip6_tables.c:365
  ip6table_nat_do_chain+0x65/0x80 net/ipv6/netfilter/ip6table_nat.c:41
  nf_nat_ipv6_fn+0x594/0xa80 net/ipv6/netfilter/nf_nat_l3proto_ipv6.c:302
  nf_nat_ipv6_local_fn+0x33/0x5d0
net/ipv6/netfilter/nf_nat_l3proto_ipv6.c:407
  ip6table_nat_local_fn+0x2c/0x40 net/ipv6/netfilter/ip6table_nat.c:69
  nf_hook_entry_hookfn include/linux/netfilter.h:120 [inline]
  nf_hook_slow+0xba/0x1a0 net/netfilter/core.c:483
  nf_hook include/linux/netfilter.h:243 [inline]
  NF_HOOK include/linux/netfilter.h:286 [inline]
  ip6_xmit+0x10ec/0x2260 net/ipv6/ip6_output.c:277
  inet6_csk_xmit+0x2fc/0x580 net/ipv6/inet6_connection_sock.c:139
  dccp_transmit_skb+0x9ac/0x10f0 net/dccp/output.c:142
  dccp_connect+0x369/0x670 net/dccp/output.c:564
  dccp_v6_connect+0xe17/0x1bf0 net/dccp/ipv6.c:946
  __inet_stream_connect+0x2d4/0xf00 net/ipv4/af_inet.c:620
  inet_stream_connect+0x58/0xa0 net/ipv4/af_inet.c:684
  SYSC_connect+0x213/0x4a0 net/socket.c:1639
  SyS_connect+0x24/0x30 net/socket.c:1620
  do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287
  entry_SYSCALL_64_after_hwframe+0x26/0x9b
RIP: 0033:0x441c69
RSP: 002b:00007ffe50cc0be8 EFLAGS: 00000217 ORIG_RAX: 000000000000002a
RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000441c69
RDX: 000000000000001c RSI: 00000000208fdfe4 RDI: 0000000000000003
RBP: 00000000006cc018 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000538 R11: 0000000000000217 R12: 0000000000403590
R13: 0000000000403620 R14: 0000000000000000 R15: 0000000000000000
Code: 48 89 f0 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 46 02 00 00 48 8b
45 c8 44 0f b7 20 e8 88 97 04 fd 31 d2 41 0f b7 c4 4c 89 f9 <41> f7 f6 48
c1 e9 03 48 b8 00 00 00 00 00 fc ff df 0f b6 0c 01
RIP: nf_nat_l4proto_unique_tuple+0x291/0x530
net/netfilter/nf_nat_proto_common.c:88 RSP: ffff8801b2466778

The problem is that currently we don't have any check on the
configured port range. A port range == -1 triggers the bug, while
other negative values may require a very long time to complete the
following loop.

This commit addresses the issue swapping the two ends on negative
ranges. The check is performed in nf_nat_l4proto_unique_tuple() since
the nft nat loads the port values from nft registers at runtime.

v1 -> v2: use the correct 'Fixes' tag
v2 -> v3: update commit message, drop unneeded READ_ONCE()

Fixes: 5b1158e909ec ("[NETFILTER]: Add NAT support for nf_conntrack")
Reported-by: syzbot+8012e198bd037f4871e5@syzkaller.appspotmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agonetfilter: x_tables: fix missing timer initialization in xt_LED
Paolo Abeni [Mon, 12 Feb 2018 17:49:39 +0000 (18:49 +0100)]
netfilter: x_tables: fix missing timer initialization in xt_LED

commit 10414014bc085aac9f787a5890b33b5605fbcfc4 upstream.

syzbot reported that xt_LED may try to use the ledinternal->timer
without previously initializing it:

------------[ cut here ]------------
kernel BUG at kernel/time/timer.c:958!
invalid opcode: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
    (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 1826 Comm: kworker/1:2 Not tainted 4.15.0+ #306
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Workqueue: ipv6_addrconf addrconf_dad_work
RIP: 0010:__mod_timer kernel/time/timer.c:958 [inline]
RIP: 0010:mod_timer+0x7d6/0x13c0 kernel/time/timer.c:1102
RSP: 0018:ffff8801d24fe9f8 EFLAGS: 00010293
RAX: ffff8801d25246c0 RBX: ffff8801aec6cb50 RCX: ffffffff816052c6
RDX: 0000000000000000 RSI: 00000000fffbd14b RDI: ffff8801aec6cb68
RBP: ffff8801d24fec98 R08: 0000000000000000 R09: 1ffff1003a49fd6c
R10: ffff8801d24feb28 R11: 0000000000000005 R12: dffffc0000000000
R13: ffff8801d24fec70 R14: 00000000fffbd14b R15: ffff8801af608f90
FS:  0000000000000000(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000206d6fd0 CR3: 0000000006a22001 CR4: 00000000001606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
  led_tg+0x1db/0x2e0 net/netfilter/xt_LED.c:75
  ip6t_do_table+0xc2a/0x1a30 net/ipv6/netfilter/ip6_tables.c:365
  ip6table_raw_hook+0x65/0x80 net/ipv6/netfilter/ip6table_raw.c:42
  nf_hook_entry_hookfn include/linux/netfilter.h:120 [inline]
  nf_hook_slow+0xba/0x1a0 net/netfilter/core.c:483
  nf_hook.constprop.27+0x3f6/0x830 include/linux/netfilter.h:243
  NF_HOOK include/linux/netfilter.h:286 [inline]
  ndisc_send_skb+0xa51/0x1370 net/ipv6/ndisc.c:491
  ndisc_send_ns+0x38a/0x870 net/ipv6/ndisc.c:633
  addrconf_dad_work+0xb9e/0x1320 net/ipv6/addrconf.c:4008
  process_one_work+0xbbf/0x1af0 kernel/workqueue.c:2113
  worker_thread+0x223/0x1990 kernel/workqueue.c:2247
  kthread+0x33c/0x400 kernel/kthread.c:238
  ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:429
Code: 85 2a 0b 00 00 4d 8b 3c 24 4d 85 ff 75 9f 4c 8b bd 60 fd ff ff e8 bb
57 10 00 65 ff 0d 94 9a a1 7e e9 d9 fc ff ff e8 aa 57 10 00 <0f> 0b e8 a3
57 10 00 e9 14 fb ff ff e8 99 57 10 00 4c 89 bd 70
RIP: __mod_timer kernel/time/timer.c:958 [inline] RSP: ffff8801d24fe9f8
RIP: mod_timer+0x7d6/0x13c0 kernel/time/timer.c:1102 RSP: ffff8801d24fe9f8
---[ end trace f661ab06f5dd8b3d ]---

The ledinternal struct can be shared between several different
xt_LED targets, but the related timer is currently initialized only
if the first target requires it. Fix it by unconditionally
initializing the timer struct.

v1 -> v2: call del_timer_sync() unconditionally, too.

Fixes: 268cb38e1802 ("netfilter: x_tables: add LED trigger target")
Reported-by: syzbot+10c98dc5725c6c8fc7fb@syzkaller.appspotmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agonetfilter: add back stackpointer size checks
Florian Westphal [Wed, 7 Feb 2018 12:46:25 +0000 (13:46 +0100)]
netfilter: add back stackpointer size checks

commit 57ebd808a97d7c5b1e1afb937c2db22beba3c1f8 upstream.

The rationale for removing the check is only correct for rulesets
generated by ip(6)tables.

In iptables, a jump can only occur to a user-defined chain, i.e.
because we size the stack based on number of user-defined chains we
cannot exceed stack size.

However, the underlying binary format has no such restriction,
and the validation step only ensures that the jump target is a
valid rule start point.

IOW, its possible to build a rule blob that has no user-defined
chains but does contain a jump.

If this happens, no jump stack gets allocated and crash occurs
because no jumpstack was allocated.

Fixes: 7814b6ec6d0d6 ("netfilter: xtables: don't save/restore jumpstack offset")
Reported-by: syzbot+e783f671527912cd9403@syzkaller.appspotmail.com
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agotc358743: fix register i2c_rd/wr function fix
Philipp Zabel [Thu, 4 May 2017 15:20:17 +0000 (12:20 -0300)]
tc358743: fix register i2c_rd/wr function fix

commit f2c61f98e0b5f8b53b8fb860e5dcdd661bde7d0b upstream.

The below mentioned fix contains a small but severe bug,
fix it to make the driver work again.

Fixes: 3538aa6ecfb2 ("[media] tc358743: fix register i2c_rd/wr functions")

Cc: Hans Verkuil <hans.verkuil@cisco.com>
Cc: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Cc: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agoInput: tca8418_keypad - remove double read of key event register
Dmitry Torokhov [Mon, 13 Feb 2017 23:45:59 +0000 (15:45 -0800)]
Input: tca8418_keypad - remove double read of key event register

commit 9dd46c02532a6bed6240101ecf4bbc407f8c6adf upstream.

There is no need to tread the same register twice in a row.

Fixes: ea4348c8462a ("Input: tca8418_keypad - hide gcc-4.9 -Wmaybe-un ...")
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agoARM: omap2: hide omap3_save_secure_ram on non-OMAP3 builds
Arnd Bergmann [Wed, 6 Dec 2017 13:17:17 +0000 (14:17 +0100)]
ARM: omap2: hide omap3_save_secure_ram on non-OMAP3 builds

commit 863204cfdae98626a92535ac928ad79f4d6b74ff upstream.

In configurations without CONFIG_OMAP3 but with secure RAM support,
we now run into a link failure:

arch/arm/mach-omap2/omap-secure.o: In function `omap3_save_secure_ram':
omap-secure.c:(.text+0x130): undefined reference to `save_secure_ram_context'

The omap3_save_secure_ram() function is only called from the OMAP34xx
power management code, so we can simply hide that function in the
appropriate #ifdef.

Fixes: d09220a887f7 ("ARM: OMAP2+: Fix SRAM virt to phys translation for save_secure_ram_context")
Acked-by: Tony Lindgren <tony@atomide.com>
Tested-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agowatchdog: hpwdt: Remove legacy NMI sourcing.
Jerry Hoemann [Mon, 26 Feb 2018 03:22:20 +0000 (20:22 -0700)]
watchdog: hpwdt: Remove legacy NMI sourcing.

commit 2b3d89b402b085b08498e896c65267a145bed486 upstream.

Gen8 and prior Proliant systems supported the "CRU" interface
to firmware.  This interfaces allows linux to "call back" into firmware
to source the cause of an NMI.  This feature isn't fully utilized
as the actual source of the NMI isn't printed, the driver only
indicates that the source couldn't be determined when the call
fails.

With the advent of Gen9, iCRU replaces the CRU. The call back
feature is no longer available in firmware.  To be compatible and
not attempt to call back into firmware on system not supporting CRU,
the SMBIOS table is consulted to determine if it is safe to
make the call back or not.

This results in about half of the driver code being devoted
to either making CRU calls or determing if it is safe to make
CRU calls.  As noted, the driver isn't really using the results of
the CRU calls.

Furthermore, as a consequence of the Spectre security issue, the
BIOS/EFI calls are being wrapped into Spectre-disabling section.
Removing the call back in hpwdt_pretimeout assists in this effort.

As the CRU sourcing of the NMI isn't required for handling the
NMI and there are security concerns with making the call back, remove
the legacy (pre Gen9) NMI sourcing and the DMI code to determine if
the system had the CRU interface.

Signed-off-by: Jerry Hoemann <jerry.hoemann@hpe.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agowatchdog: hpwdt: fix unused variable warning
Arnd Bergmann [Wed, 6 Dec 2017 21:02:37 +0000 (22:02 +0100)]
watchdog: hpwdt: fix unused variable warning

commit aeebc6ba88ba3758ad95467ff6191fabf2074c13 upstream.

The new hpwdt_my_nmi() function is used conditionally, which produces
a harmless warning in some configurations:

drivers/watchdog/hpwdt.c:478:12: error: 'hpwdt_my_nmi' defined but not used [-Werror=unused-function]

This moves it inside of the #ifdef that protects its caller, to silence
the warning.

Fixes: 621174a92851 ("watchdog: hpwdt: Check source of NMI")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Jerry Hoemann <jerry.hoemann@hpe.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agowatchdog: hpwdt: Check source of NMI
Jerry Hoemann [Mon, 23 Oct 2017 22:46:17 +0000 (16:46 -0600)]
watchdog: hpwdt: Check source of NMI

commit 838534e50e2e5c1e644e30ab6cb28da88eb31368 upstream.

Do not claim the NMI (i.e. return NMI_DONE) if the source of
the NMI isn't the iLO watchdog or debug.

Signed-off-by: Jerry Hoemann <jerry.hoemann@hpe.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agowatchdog: hpwdt: SMBIOS check
Jerry Hoemann [Mon, 23 Oct 2017 22:46:16 +0000 (16:46 -0600)]
watchdog: hpwdt: SMBIOS check

commit c42cbe41727a138905a28f8e0b00c147be77ee93 upstream.

This corrects:
commit cce78da76601 ("watchdog: hpwdt: Add check for UEFI bits")

The test on HPE SMBIOS extension type 219 record "Misc Features"
bits for UEFI support is incorrect.  The definition of the Misc Features
bits in the HPE SMBIOS OEM Extensions specification (and related
firmware) was changed to use a different pair of bits to
represent UEFI supported.  Howerver, a corresponding change
to Linux was missed.

Current code/platform work because the iCRU test is working.
But purpose of cce78da766 is to ensure correct functionality
on future systems where iCRU isn't supported.

Signed-off-by: Jerry Hoemann <jerry.hoemann@hpe.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>