firefly-linux-kernel-4.4.55.git
7 years agoFROMLIST: drm: Add HDMI 2.0 VIC support for AVI info-frames
Zheng Yang [Mon, 27 Mar 2017 03:04:14 +0000 (11:04 +0800)]
FROMLIST: drm: Add HDMI 2.0 VIC support for AVI info-frames

HDMI 1.4b support the CEA video modes as per range of CEA-861-D (VIC 1-64).
For any other mode, the VIC filed in AVI infoframes should be 0.
HDMI 2.0 sinks, support video modes range as per CEA-861-F spec, which is
extended to (VIC 1-107).

This patch adds a bool input variable, which indicates if the connected
sink is a HDMI 2.0 sink or not. This will make sure that we don't pass a
HDMI 2.0 VIC to a HDMI 1.4 sink.

This patch touches all drm drivers, who are callers of this function
drm_hdmi_avi_infoframe_from_display_mode but to make sure there is
no change in current behavior, is_hdmi2 is kept as false.

In case of I915 driver, this patch checks the connector->display_info
to check if the connected display is HDMI 2.0.

Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Jose Abreu <jose.abreu@synopsys.com>
Cc: Andrzej Hajda <a.hajda@samsung.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
PS: This patch touches a few lines in few files, which were
already above 80 char, so checkpatch gives 80 char warning again.
- gpu/drm/omapdrm/omap_encoder.c
- gpu/drm/i915/intel_sdvo.c

Signed-off-by: Shashank Sharma <shashank.sharma@intel.com>
(am from https://patchwork.kernel.org/patch/9641449)
Change-Id: I364cd0aed7eea0384ea9eddfff20c3fa86eb9ba2
Signed-off-by: Zheng Yang <zhengyang@rock-chips.com>
7 years agoUPSTREAM: devfreq: rk3399_dmc: Remove dangling rcu_read_unlock()
Viresh Kumar [Thu, 1 Dec 2016 10:42:14 +0000 (16:12 +0530)]
UPSTREAM: devfreq: rk3399_dmc: Remove dangling rcu_read_unlock()

This call never had the rcu_read_lock() counterpart. Remove the unlock
part as well.

Change-Id: Ifc5abfd7cea9a245b6edc0f50e362963ac045b7f
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
(cherry picked from commit d8323de3d4062e1b5a5aa7e9c0f935138405a582)

7 years agoUPSTREAM: PM / devfreq: rk3399_dmc: Use the resource-managed function to add devfreq dev
Chanwoo Choi [Tue, 8 Nov 2016 09:13:27 +0000 (18:13 +0900)]
UPSTREAM: PM / devfreq: rk3399_dmc: Use the resource-managed function to add devfreq dev

This patch uses the resource-managed to add the devfreq device.
This function will make it easy to handle the devfreq device.

- struct devfreq *devm_devfreq_add_device(struct device *dev,
  struct devfreq_dev_profile *profile,
  const char *governor_name,
  void *data);

Conflicts:
        drivers/devfreq/rk3399_dmc.c

Change-Id: I2ba2779a1b944931dc240f0593824f0316d11985
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
(cherry picked from commit 927b75a628b1d80fef171420fbd694fc28d9b8e9)

7 years agoUPSTREAM: PM / devfreq: rk3399_dmc: Fix module autoload
Javier Martinez Canillas [Wed, 19 Oct 2016 21:06:24 +0000 (18:06 -0300)]
UPSTREAM: PM / devfreq: rk3399_dmc: Fix module autoload

If the driver is built as a module, autoload won't work because the module
alias information is not filled. So user-space can't match the registered
device with the corresponding module.

Export the module alias information using the MODULE_DEVICE_TABLE() macro.

Before this patch:

$ modinfo drivers/devfreq/rk3399_dmc.ko | grep alias
$

After this patch:

$ modinfo drivers/devfreq/rk3399_dmc.ko | grep alias
alias:          of:N*T*Crockchip,rk3399-dmcC*
alias:          of:N*T*Crockchip,rk3399-dmc

Change-Id: I4bffd86067bb487619ce8365532123938a0ca964
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
(cherry picked from commit 2f3f1a261c0f4827bda86009f0059aefbe30ed11)

7 years agoUPSTREAM: PM / devfreq: rk3399_dmc: Remove explictly regulator_put call in .remove
Axel Lin [Sun, 18 Sep 2016 02:41:05 +0000 (10:41 +0800)]
UPSTREAM: PM / devfreq: rk3399_dmc: Remove explictly regulator_put call in .remove

Current code uses devm_regulator_get() in .probe so a regulator_put() will
be automatically called when unload the module. Remove the explictly
regulator_put() call and then we can also remove rk3399_dmcfreq_remove().

Change-Id: I56a62a76f06403aff9ad0478e7701862084a90b3
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
(cherry picked from commit da4a64481b3504a6f4f07c08ff03be8f08d9638d)

7 years agoclk: rockchip: rk3288: add gate id of hclk_usb_peri for usb otg
Frank Wang [Tue, 28 Mar 2017 09:27:01 +0000 (17:27 +0800)]
clk: rockchip: rk3288: add gate id of hclk_usb_peri for usb otg

Change-Id: Ib45f6d97ec81329ec9a4a19e9e836efa0ea61fe2
Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
7 years agodrm: bridge: dw-hdmi-i2s-audio: enable INSERT_PCUV bit for LPCM
Zheng Yang [Mon, 27 Mar 2017 01:38:26 +0000 (09:38 +0800)]
drm: bridge: dw-hdmi-i2s-audio: enable INSERT_PCUV bit for LPCM

dw-hdmi introduced insert_pcuv bit in version 2.10a. When
set (1'b1), this bit enables the insertion of the PCUV
(Parity, Channel Status, User bit and Validity) bits on the
incoming audio stream (support limited to Linear PCM audio).

Change-Id: Ib12a50bf7064ac78dbf143f1ea35d7f68f861877
Signed-off-by: Zheng Yang <zhengyang@rock-chips.com>
7 years agoARM: rockchip_defconfig: enable dwc2 driver
William Wu [Tue, 28 Mar 2017 07:24:20 +0000 (15:24 +0800)]
ARM: rockchip_defconfig: enable dwc2 driver

Change-Id: Ie84fb1d496f18114da988f52e1a9e4b240013844
Signed-off-by: William Wu <wulf@rock-chips.com>
7 years agoarm64: rockchip_linux_defconfig: enable PCIe config
hero.huang [Thu, 16 Mar 2017 09:09:27 +0000 (17:09 +0800)]
arm64: rockchip_linux_defconfig: enable PCIe config

Change-Id: I7be6a725eb0043d135d166939ecde3c6f47b24f9
Signed-off-by: hero.huang <hero.huang@rock-chips.com>
7 years agork808: rtc: set rtc stopped by default
Elaine Zhang [Mon, 27 Mar 2017 02:55:16 +0000 (10:55 +0800)]
rk808: rtc: set rtc stopped by default

set rtc stopped by default, start rtc in rtc device probe.
add rtc node, whether RTC need to initialize.

Change-Id: Ifab269786f316d33149a50a18e23af1b6206d57d
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
7 years agoarm64: dts: rockchip: enable pcie_phy for Sapphire board
hero.huang [Tue, 28 Mar 2017 01:01:00 +0000 (09:01 +0800)]
arm64: dts: rockchip: enable pcie_phy for Sapphire board

Change-Id: Ia59a697ee27d4f4848f3fceb344f362b7fdcae73
Signed-off-by: hero.huang <hero.huang@rock-chips.com>
7 years agoarm64: rockchip_defconfig: update by savedefconfig
Huang, Tao [Tue, 28 Mar 2017 03:08:32 +0000 (11:08 +0800)]
arm64: rockchip_defconfig: update by savedefconfig

Change-Id: I642605f12bb453b9b09dea3d199923a314fec844
Signed-off-by: Huang, Tao <huangtao@rock-chips.com>
7 years agophy: rockchip-dp: fix unexpected reset 24m clock
WeiYong Bi [Mon, 27 Mar 2017 23:51:03 +0000 (07:51 +0800)]
phy: rockchip-dp: fix unexpected reset 24m clock

Reset_control_assert/reset_control_deassert will not check whether
the incoming pointer is NULL, so we need to check it before using it.

Change-Id: Ib2aeeefcb2d5d7429031bc21bf7e3df1d897a6c9
Signed-off-by: WeiYong Bi <bivvy.bi@rock-chips.com>
7 years agoarm: dts: rk3288-evb: add ion support
Jianqun Xu [Tue, 28 Mar 2017 01:29:17 +0000 (09:29 +0800)]
arm: dts: rk3288-evb: add ion support

Change-Id: Icbdba5ef01681e4ab107a5af295cfa9e51215288
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
7 years agodrm/rockchip: rga: replace primitive api with dma sync api
Jacob Chen [Mon, 27 Mar 2017 08:15:11 +0000 (16:15 +0800)]
drm/rockchip: rga: replace primitive api with dma sync api

Since rga is a dma-coherent device, we have to use drm bus
 device to call sync api.

Change-Id: Ia12062293fabba083c8ab9c4f7457e3167807bb9
Signed-off-by: Jacob Chen <jacob2.chen@rock-chips.com>
7 years agousb: dwc_otg_310: remove unused configs
William Wu [Mon, 27 Mar 2017 08:29:25 +0000 (16:29 +0800)]
usb: dwc_otg_310: remove unused configs

The USB20_HOST_EN and USB20_OTG_EN configs are used
for rockchip dwc2 legacy driver, they are not needed
for dwc_otg_310 driver.

Change-Id: I4c16f0be5276b3c07429ab88cb063508b34ce007
Signed-off-by: William Wu <wulf@rock-chips.com>
7 years agoarm: rockchip_defconfig: enable dwc_otg_310 usb driver
Frank Wang [Mon, 27 Mar 2017 03:41:34 +0000 (11:41 +0800)]
arm: rockchip_defconfig: enable dwc_otg_310 usb driver

This adds enable dwc_otg_310 driver for dwc otg and host.

Change-Id: I779c663992b270015515d45a94e3fa4187368a93
Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
7 years agousb: dwc_otg_310: fixed compilation error
Frank Wang [Mon, 27 Mar 2017 03:31:35 +0000 (11:31 +0800)]
usb: dwc_otg_310: fixed compilation error

Change-Id: I5f501184c11d25493f6855d994e32c1043371161
Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
7 years agoARM64: dts: rockchip: configure EAS data for rk3368
Chen Liang [Mon, 27 Mar 2017 03:45:42 +0000 (11:45 +0800)]
ARM64: dts: rockchip: configure EAS data for rk3368

Change-Id: I3154b1ae060553b7919c213420782f7a1f5d36fc
Signed-off-by: Chen Liang <cl@rock-chips.com>
7 years agoarm64: dts: rk3368-android: Add eDP route node
WeiYong Bi [Mon, 27 Mar 2017 07:47:17 +0000 (15:47 +0800)]
arm64: dts: rk3368-android: Add eDP route node

Change-Id: I824d7a1c15cf7cddcb2e3f080498bd23e269be40
Signed-off-by: WeiYong Bi <bivvy.bi@rock-chips.com>
7 years agoarm64: dts: rockchip: Add eDP node for rk3368
WeiYong Bi [Sat, 25 Mar 2017 03:20:36 +0000 (11:20 +0800)]
arm64: dts: rockchip: Add eDP node for rk3368

Change-Id: I0fa5ddc12cdbb2bf1d9fb0667222ead15071bdec
Signed-off-by: WeiYong Bi <bivvy.bi@rock-chips.com>
7 years agophy: rockchip-dp: Add support for rk3368 Display Port PHY
WeiYong Bi [Sat, 25 Mar 2017 03:13:55 +0000 (11:13 +0800)]
phy: rockchip-dp: Add support for rk3368 Display Port PHY

Change-Id: Ic2134ba719dadba121dc2fcc944662ef06b2ecfa
Signed-off-by: WeiYong Bi <bivvy.bi@rock-chips.com>
7 years agodrm/rockchip: analogix_dp: Add support for RK3368 eDP
WeiYong Bi [Sat, 25 Mar 2017 02:14:05 +0000 (10:14 +0800)]
drm/rockchip: analogix_dp: Add support for RK3368 eDP

Change-Id: I738ddf122776081cf41adef2921644ddfc6e07dd
Signed-off-by: WeiYong Bi <bivvy.bi@rock-chips.com>
7 years agoclk: rockchip: rk3368: set hclk_vio_noc as critical clock
Elaine Zhang [Mon, 27 Mar 2017 09:28:04 +0000 (17:28 +0800)]
clk: rockchip: rk3368: set hclk_vio_noc as critical clock

to fix up the display shaking when uboot to kernel show.

Change-Id: I5f85028921d76a2dea752aafe7420b05b041bc8e
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
7 years agoarm: dts: rk3288-evb: add support for GSL3673
Jianqun Xu [Mon, 27 Mar 2017 08:51:50 +0000 (16:51 +0800)]
arm: dts: rk3288-evb: add support for GSL3673

GSL3673 is a touchscreen device, let support it.

Change-Id: I4bf302c395491ca49a1874c8984caa0b49cfb326
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
7 years agoarm: dts: rk3288: move i2c0 to the front of other i2c
Jianqun Xu [Mon, 27 Mar 2017 08:47:35 +0000 (16:47 +0800)]
arm: dts: rk3288: move i2c0 to the front of other i2c

Change-Id: I822622fc1f1ed41729851294858246cf6da8c202
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
7 years agoFROMLIST: drm: bridge: dw-hdmi: add HDMI vendor specific infoframe config
Nickey Yang [Mon, 20 Mar 2017 05:57:02 +0000 (13:57 +0800)]
FROMLIST: drm: bridge: dw-hdmi: add HDMI vendor specific infoframe config

Vendor specific infoframe is mandatory for 4K2K resolution
and stereoscopic 3D mode.
Without this, the HDMI protocol compliance fails.
(am from https://patchwork.kernel.org/patch/9636115/)

Change-Id: I97ebe1b139eff7fe69cc9f393b40426134588b91
Signed-off-by: Nickey Yang <nickey.yang@rock-chips.com>
Reviewed-by: Jose Abreu <joabreu@synopsys.com>
7 years agoarm64: dts: rockchip: update thermal config and add gpu's parameters for rk3368
Rocky Hao [Fri, 24 Mar 2017 10:07:51 +0000 (18:07 +0800)]
arm64: dts: rockchip: update thermal config and add gpu's parameters for rk3368

add both static and dynamic power coefficient for gpu
module, and add gpu as a cooling device in the thermal zone.
rename the thermal zone's config and make it more readable.
update temperature pooling interval and make the temperature
control more effective.

Change-Id: I6e0939fe26ece9c611151ffbbb55e62b824a602f
Signed-off-by: Rocky Hao <rocky.hao@rock-chips.com>
7 years agoarm64: dts: rk3368-p9: fix backlight polarity err
Zorro Liu [Fri, 24 Mar 2017 08:18:44 +0000 (16:18 +0800)]
arm64: dts: rk3368-p9: fix backlight polarity err

Change-Id: I3dc9376b60f3c6acba67cfb379944c7c969b2ffc
Signed-off-by: Zorro Liu <lyx@rock-chips.com>
7 years agodrm/rockchip: vop: correct rk3368/rk3366 feature
Mark Yao [Mon, 27 Mar 2017 01:14:44 +0000 (09:14 +0800)]
drm/rockchip: vop: correct rk3368/rk3366 feature

RK3368/RK3366 not support 10bit output

Change-Id: Ib5cdab237828236e7867ce784d0e7b208aeb1ed0
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
7 years agoarm: dts: rk3288-evb: use rockchip_key to replace adc_key
Jianqun Xu [Mon, 27 Mar 2017 00:58:14 +0000 (08:58 +0800)]
arm: dts: rk3288-evb: use rockchip_key to replace adc_key

Change-Id: I46df35c489bf15a159eb64a2d5e3d0b3510f6bef
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
7 years agoInput: add document for rockchip keys
Jianqun Xu [Mon, 27 Mar 2017 01:36:20 +0000 (09:36 +0800)]
Input: add document for rockchip keys

Change-Id: I3f8f4522e6279e3f5faf3f293936c835ce8fc6b7
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
7 years agoARM: rockchip_defconfig: update defconfig
Huang, Tao [Fri, 24 Mar 2017 11:03:00 +0000 (19:03 +0800)]
ARM: rockchip_defconfig: update defconfig

Change-Id: I594981b15c098d78313c4c17572cfbab643dbc9a
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
Signed-off-by: Huang, Tao <huangtao@rock-chips.com>
7 years agovideo/rockchip: rga2: fix compilation warning
Huang, Tao [Sat, 25 Mar 2017 05:09:38 +0000 (13:09 +0800)]
video/rockchip: rga2: fix compilation warning

Change-Id: I92c2034da63cc8db2dac9a55cb654d4af21a7cf8
Signed-off-by: Huang, Tao <huangtao@rock-chips.com>
7 years agork: Makefile set default CROSS_COMPILE for arm
Huang, Tao [Sat, 25 Mar 2017 05:10:27 +0000 (13:10 +0800)]
rk: Makefile set default CROSS_COMPILE for arm

Change-Id: I44a0dfe1a1f3bbad6f6c21001d2e4d668ff0db8a
Signed-off-by: Huang, Tao <huangtao@rock-chips.com>
7 years agousb: otg: modify default to n for usb2.0
Jianqun Xu [Thu, 23 Mar 2017 10:35:04 +0000 (18:35 +0800)]
usb: otg: modify default to n for usb2.0

Change-Id: I6dc85a9fbf89b35afe67fc119f0d60a130691317
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
7 years agoarm64: dts: rk3399-box: fix dp and hdmi dclk parents
Mark Yao [Fri, 24 Mar 2017 14:26:20 +0000 (22:26 +0800)]
arm64: dts: rk3399-box: fix dp and hdmi dclk parents

Change-Id: Iebe0bfe248bf4ca6f61dafe1eb86a34dc6346e6f
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
7 years agoarm64: dts: rk3368: modify rksdmmc to dwmmc
Jianqun Xu [Fri, 24 Mar 2017 09:25:13 +0000 (17:25 +0800)]
arm64: dts: rk3368: modify rksdmmc to dwmmc

Modify rksdmmc to dwmmc, sync with upstream.

Change-Id: I0aabcf47a5fe1b1f564bde2f719d8c1c48debc90
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
7 years agostaging: ion: dup sg_table when map_dma_buffer
Mark Yao [Fri, 24 Mar 2017 06:31:22 +0000 (14:31 +0800)]
staging: ion: dup sg_table when map_dma_buffer

Change-Id: Ib57df4e7f972a8e46b6c8e8c82e314e04cc3b349
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
7 years agoarm64: dts: rockchip: rk3399: add aclk/hclk_vop init freq
Elaine Zhang [Fri, 24 Mar 2017 07:01:55 +0000 (15:01 +0800)]
arm64: dts: rockchip: rk3399: add aclk/hclk_vop init freq

to fix up the display error when no uboot logo show.

Change-Id: I6227391a3c0d015a5fa6ae916d849659d5957077
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
7 years agovideo/rga: fix rga support flip
Zikim,Wei [Tue, 11 Oct 2016 03:25:21 +0000 (11:25 +0800)]
video/rga: fix rga support flip

Change-Id: Ib5283779e08d1e58ff8a1fb5e3eb662aa8f0d130
Signed-off-by: Zikim,Wei <wzq@rock-chips.com>
(cherry picked from commit 7318eabddc3799460319181f9ffd34f2116a9e46)

7 years agovideo/rockchip: rga: replace system_nrt_wq with system_wq
Jianqun Xu [Wed, 22 Mar 2017 05:06:13 +0000 (13:06 +0800)]
video/rockchip: rga: replace system_nrt_wq with system_wq

Change-Id: Id79ba17575b5844c329391a6e33e0f2f0c4353ff
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
7 years agovideo: rockchip: vpu: alloc & mmap iova inside drm allocator
Jung Zhao [Tue, 21 Mar 2017 01:14:55 +0000 (09:14 +0800)]
video: rockchip: vpu: alloc & mmap iova inside drm allocator

since on 3368 platform, hevc & vpu share the same hardware
resource, but have two independent mmu. and only one mmu can
be attached at the same time. I have to alloc and mmap iova
outside mmu attached status, otherwise it will cause mmu reset
error.

fix bugs:
1. hevc & vpu can work at the same time now. on 3368 platform,
vpu_mmu and hevc_mmu share the same irq with their respective
master device, we can not detach mmu during irq context.
2. fix copy_sgt offset and lenght invalide value

Change-Id: I9d02aa0b85a6d0690832c7869a260953f5a5baab
Signed-off-by: Jung Zhao <jung.zhao@rock-chips.com>
7 years agommc: rm rk_sdmmc.c
Huang, Tao [Thu, 23 Mar 2017 13:35:01 +0000 (21:35 +0800)]
mmc: rm rk_sdmmc.c

Change-Id: Id48880a140a8055d30dafb42ad3e1aef973ae5c6
Signed-off-by: Huang, Tao <huangtao@rock-chips.com>
7 years agovideo: rockchip: vpu: add rk3368 support
Jung Zhao [Mon, 20 Mar 2017 03:27:04 +0000 (11:27 +0800)]
video: rockchip: vpu: add rk3368 support

3368 is vpu & hevc combo platform which have a virtual master device
and two sub devcie - vpu_service & hevc_service. There is a flag in
grf, driver need write or erase this flag when switch mode.

since shutdown function only be called on virtual master device, we
need to call into both vpu and hevc device.

Change-Id: I56ad28dbbc7cc380204fb7d0da11d93b5ace9469
Signed-off-by: Jung Zhao <jung.zhao@rock-chips.com>
7 years agoARM64: dts: rk3368-android: enable vpu_combo default
Jung Zhao [Thu, 23 Mar 2017 09:42:46 +0000 (09:42 +0000)]
ARM64: dts: rk3368-android: enable vpu_combo default

Change-Id: I7b130e3d0787c441f862030f8a935063af818e01
Signed-off-by: Jung Zhao <jung.zhao@rock-chips.com>
7 years agoARM64: dts: rk3368: add vpu & hevc node
Jung Zhao [Mon, 20 Mar 2017 03:14:27 +0000 (11:14 +0800)]
ARM64: dts: rk3368: add vpu & hevc node

Change-Id: Iee8fb808ad0c929be8fa5db8164fd6e05321b352
Signed-off-by: Jung Zhao <jung.zhao@rock-chips.com>
7 years agoarm: dts: rk3288-evb: disable uart 1/3/4
Jianqun Xu [Fri, 24 Mar 2017 02:37:46 +0000 (10:37 +0800)]
arm: dts: rk3288-evb: disable uart 1/3/4

Uart3 has been iomux to gpio, for vcc_3g regulator, which is designed
on rk3288 evb main board.

Disable unused uarts to fix gpio request blaim during system booting.

Change-Id: I2eb79ae63a6f226255c12fc3da9ba95ec4219d32
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
7 years agoarm: dts: rk3288-evb: fix regulator 'No configuration' error
Jianqun Xu [Fri, 24 Mar 2017 03:13:17 +0000 (11:13 +0800)]
arm: dts: rk3288-evb: fix regulator 'No configuration' error

SYR827/SYR828 regulators complain "No configuration", which caused by
lacking of regulator-state-mem.

Change-Id: Id113c05abb8fb095bf09979b5eb8ea1c4891037b
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
7 years agostaging: ion: add dma_map_sg/dma_umap_sg to map_dma_buf
Mark Yao [Fri, 26 Jun 2015 00:42:30 +0000 (08:42 +0800)]
staging: ion: add dma_map_sg/dma_umap_sg to map_dma_buf

Change-Id: Ibb1da3afd35a4411f096e8cbd7a17d35fc216cba
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
7 years agoiommu/rockchip: add multi irq support
Jung Zhao [Mon, 20 Mar 2017 03:23:29 +0000 (11:23 +0800)]
iommu/rockchip: add multi irq support

there are two irq in vpu_mmu on 3368 platform.

Change-Id: I81d869c1ee536e31334a401a2ddb0e7f2226d4b2
Signed-off-by: Jung Zhao <jung.zhao@rock-chips.com>
7 years agoarm: dts: rk3288-evb: remove memory node
Jianqun Xu [Wed, 22 Mar 2017 09:16:31 +0000 (17:16 +0800)]
arm: dts: rk3288-evb: remove memory node

Change-Id: I84b2397dea92eb0e7cc926c17515c16f98854ad4
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
7 years agoarm: dts: rk3288-evb: add copyright
Jianqun Xu [Wed, 22 Mar 2017 04:35:59 +0000 (12:35 +0800)]
arm: dts: rk3288-evb: add copyright

Change-Id: I4a68728a38d725a39bfefc51a3b188be94ffe87c
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
7 years agoarm: dts: rk3288-evb: add earlycon to args of cmdline
Jianqun Xu [Wed, 22 Mar 2017 04:34:25 +0000 (12:34 +0800)]
arm: dts: rk3288-evb: add earlycon to args of cmdline

Change-Id: I4a7ce913deac9e88a9660c960c9fed746226db78
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
7 years agodrm/drm-prime: cache dma_buf import context
Mark Yao [Mon, 20 Mar 2017 02:31:02 +0000 (10:31 +0800)]
drm/drm-prime: cache dma_buf import context

Change-Id: Ia39a3d4691f0b545039efb880c999a35886178a0
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
7 years agodma-buf: add release callback support
Mark Yao [Mon, 20 Mar 2017 01:46:47 +0000 (09:46 +0800)]
dma-buf: add release callback support

Change-Id: Ibfb4ffe3d97fae0a27f20032fdfbc3cc561aa375
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
7 years agodrm/rockchip: fixup display reference count
Mark Yao [Wed, 22 Mar 2017 08:40:05 +0000 (16:40 +0800)]
drm/rockchip: fixup display reference count

Change-Id: I9ae0699f26e3971e1f01cf36aa7a2f64dcade8dc
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
7 years agodrm/rockchip: add support for src1
Jacob Chen [Mon, 13 Mar 2017 10:09:56 +0000 (18:09 +0800)]
drm/rockchip: add support for src1

Although libdrm didn't implment src1, we should support it in driver in advance.

Change-Id: I7da051d1376ded63750f3363f9dd37fe6937a81c
Signed-off-by: Jacob Chen <jacob2.chen@rock-chips.com>
7 years agoarm64: dts: rk3368-android: remove dumplicated node
Xu Jianqun [Thu, 23 Mar 2017 06:07:58 +0000 (14:07 +0800)]
arm64: dts: rk3368-android: remove dumplicated node

Change-Id: If5675877c29fbc7f29568cfe2c482f98d9d62608
Signed-off-by: Xu Jianqun <jay.xu@rock-chips.com>
7 years agoclk: rockchip: rk3368: Add CLK_IGNORE_UNUSED flag for mipi phy refclk
WeiYong Bi [Tue, 21 Mar 2017 03:41:04 +0000 (11:41 +0800)]
clk: rockchip: rk3368: Add CLK_IGNORE_UNUSED flag for mipi phy refclk

If this flag is not specified, will cause loader display abnormal.

Change-Id: I8ecfc2a6f55c8437e7c30d1cf099ae8cc93a0150
Signed-off-by: WeiYong Bi <bivvy.bi@rock-chips.com>
7 years agodrm/rockchip: vop: report error when check resource error
Mark Yao [Wed, 22 Mar 2017 11:05:00 +0000 (19:05 +0800)]
drm/rockchip: vop: report error when check resource error

Change-Id: If59ea4f7344931795cadcfec1cae4d2ab95ab4c3
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
7 years agoarm64: rockchip_linux_defconfig: enable rtl8188eu
zzc [Wed, 22 Mar 2017 08:08:41 +0000 (16:08 +0800)]
arm64: rockchip_linux_defconfig: enable rtl8188eu

CONFIG_WIFI_LOAD_DRIVER_WHEN_KERNEL_BOOTUP=y
CONFIG_RTL8188EU=y

Change-Id: I5d19e92280f0fb91701a3f2547251069380593ef
Signed-off-by: zzc <zzc@rock-chips.com>
7 years agovideo/rockchip: rga2: enable rga power when read rga version
Mark Yao [Wed, 22 Mar 2017 02:10:32 +0000 (10:10 +0800)]
video/rockchip: rga2: enable rga power when read rga version

Change-Id: Ib2a704b8f75f4b792dc5a70ed58c0b9306c2793c
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
7 years agoarm64: dts: rockchip: rk3399: remove some unnecessary assigned-clocks node
Elaine Zhang [Wed, 22 Mar 2017 02:41:38 +0000 (10:41 +0800)]
arm64: dts: rockchip: rk3399: remove some unnecessary assigned-clocks node

keep aclk_vop hclk_vop freq the same as uboot,
to slove shaking for uboot logo to kernel show.

Change-Id: Id0b86fc583024482f16f40b2f1ec6f9189eac160
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
7 years agoarm64: dts: rk3328-evb: set fiq-debugger signal-irq to 145
Huang, Tao [Wed, 22 Mar 2017 06:31:46 +0000 (14:31 +0800)]
arm64: dts: rk3328-evb: set fiq-debugger signal-irq to 145

Before is 135, which is conflict with arm-pmu irq.

Change-Id: Ib17928f3e3854b8ff1a0571e1639ca362ef2e190
Signed-off-by: Huang, Tao <huangtao@rock-chips.com>
7 years agoahci: Add Device ID for ASMedia 1061R and 1062R
Shawn Lin [Wed, 22 Mar 2017 03:21:35 +0000 (11:21 +0800)]
ahci: Add Device ID for ASMedia 1061R and 1062R

Change-Id: Idecc85eb9af85dbb7e6fcca95aa63762bcf1c2b4
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
7 years agoarm64: dts: rockchip: config pwm polarity on rk3399-mid
Zhou weixin [Mon, 13 Mar 2017 06:39:00 +0000 (14:39 +0800)]
arm64: dts: rockchip: config pwm polarity on rk3399-mid

Change-Id: Icbc406cb737c8ee00fd63b218bde3751611acc19
Signed-off-by: Zhou weixin <zwx@rock-chips.com>
7 years agoarm64: dts: rk3368-android: enable isp
dalon.zhang [Sun, 19 Mar 2017 03:43:55 +0000 (11:43 +0800)]
arm64: dts: rk3368-android: enable isp

Change-Id: Ib658fb798bb24b9686a78b4a2b64ab9fcc1a92f6
Signed-off-by: dalon.zhang <dalon.zhang@rock-chips.com>
7 years agoarm64: dts: rk3368: add isp config
dalon.zhang [Sun, 19 Mar 2017 03:41:06 +0000 (11:41 +0800)]
arm64: dts: rk3368: add isp config

Change-Id: I279afac575d17f534ce028ec13fbec7798b117d9
Signed-off-by: dalon.zhang <dalon.zhang@rock-chips.com>
7 years agodrm: bridge: dw-hdmi: enable 3d mode
algea.cao [Tue, 14 Mar 2017 01:28:46 +0000 (09:28 +0800)]
drm: bridge: dw-hdmi: enable 3d mode

Change-Id: I45c4b0ded4aeaf24122d5cc6eb49b6bc72afc060
Signed-off-by: algea.cao <algea.cao@rock-chips.com>
7 years agocamera: rockchip: camsys v0.0x21.0xa
dalon.zhang [Sun, 19 Mar 2017 03:50:59 +0000 (11:50 +0800)]
camera: rockchip: camsys v0.0x21.0xa

Change-Id: Ic9c5661ba76eaf8aee36e1a1822aa9bcd288e0ac
Signed-off-by: dalon.zhang <dalon.zhang@rock-chips.com>
7 years agoarm64: dts: rockchip: update thermal config for rk3368
Rocky Hao [Tue, 21 Mar 2017 02:54:12 +0000 (10:54 +0800)]
arm64: dts: rockchip: update thermal config for rk3368

add cpus' dynamic power coefficient and update alert temperature

Change-Id: I502e49d52268b63625e01103b50e6c18fb8da8b0
Signed-off-by: Rocky Hao <rocky.hao@rock-chips.com>
7 years agoarm64: dts: rockchip: enable tsadc node for rk3368 p9 board
Zorro Liu [Tue, 21 Mar 2017 08:33:40 +0000 (16:33 +0800)]
arm64: dts: rockchip: enable tsadc node for rk3368 p9 board

Change-Id: I5d8b84248b0c713068143df303427ef31cb78963
Signed-off-by: Zorro Liu <lyx@rock-chips.com>
7 years agoarm64: dts: rk3368-android: debug uart id change to uart3
Jianqun Xu [Tue, 21 Mar 2017 07:10:58 +0000 (15:10 +0800)]
arm64: dts: rk3368-android: debug uart id change to uart3

Change earlycon and console to uart3.

Change-Id: I7c6d7322e077b605b209dce4cf51afb26b9147dc
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
7 years agoarm64: dts: rk3368: hdmi disabled default and remove hdmi node from p9 board
Zorro Liu [Fri, 17 Mar 2017 08:11:56 +0000 (16:11 +0800)]
arm64: dts: rk3368: hdmi disabled default and remove hdmi node from p9 board

Change-Id: I034f119de02a04841b8b70746ef63c73a170988f
Signed-off-by: Zorro Liu <lyx@rock-chips.com>
7 years agoarm64: dts: rockchip: rk3368: xin32k use the fixed clk
Elaine Zhang [Tue, 21 Mar 2017 07:09:17 +0000 (15:09 +0800)]
arm64: dts: rockchip: rk3368: xin32k use the fixed clk

If xin32k use the rk808_clkout1, rk808 init is too late,
xin32k enable count and prepare count is not match with it's child clk.

Change-Id: I314776c5024fdf3373619968582497e0e2d5666f
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
7 years agoarm64: dts: rockchip: enable tsadc node for rk3368 sheep board
Rocky Hao [Fri, 17 Mar 2017 02:27:09 +0000 (10:27 +0800)]
arm64: dts: rockchip: enable tsadc node for rk3368 sheep board

Change-Id: I82c8ef62f5e149d07c76e3a3d971e4222d9b8ecf
Signed-off-by: Rocky Hao <rocky.hao@rock-chips.com>
7 years agoarm64: dts: rockchip: update tsadc node for rk3368
Rocky Hao [Fri, 17 Mar 2017 02:19:05 +0000 (10:19 +0800)]
arm64: dts: rockchip: update tsadc node for rk3368

Change-Id: I0c99dcc6b5515639a496b915832542c3b844f4c8
Signed-off-by: Rocky Hao <rocky.hao@rock-chips.com>
7 years agoarm64: configs: rockchip_defconfig: enable rk3368 thermal
Rocky Hao [Fri, 17 Mar 2017 02:05:44 +0000 (10:05 +0800)]
arm64: configs: rockchip_defconfig: enable rk3368 thermal

Change-Id: Ied2658479d5cccc404623af39da2c6cbe028bae0
Signed-off-by: Rocky Hao <rocky.hao@rock-chips.com>
7 years agothermal: rockchip: add rk3368 support
Rocky Hao [Fri, 17 Mar 2017 01:50:30 +0000 (09:50 +0800)]
thermal: rockchip: add rk3368 support

Change-Id: I970fedca9542c724d777c0bac788300c4fa21303
Signed-off-by: Rocky Hao <rocky.hao@rock-chips.com>
7 years agonvmem: rockchip-efuse: Fix dependencies
Finley Xiao [Mon, 20 Mar 2017 03:18:31 +0000 (11:18 +0800)]
nvmem: rockchip-efuse: Fix dependencies

Not every rockchip efuse depends on ROCKCHIP_SIP, so delete
dependencies in Kconfig. It is more appropriate to add
dependencies for sip_smc_secure_reg_read/write.

Change-Id: I7f551f9fe71ced847657531e3c3cf418766fa3a4
Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
7 years agoarm64: dts: rockchip: add RK3399 Firefly Board for Linux Opensource
hero.huang [Wed, 8 Mar 2017 14:41:45 +0000 (22:41 +0800)]
arm64: dts: rockchip: add RK3399 Firefly Board for Linux Opensource

Add Firefly board dts file for Linux Opensource project

Change-Id: Ia525b7ff17f4d74990625e2e02c764996f57e520
Signed-off-by: hero.huang <hero.huang@rock-chips.com>
7 years agoarm64: dts: rk3368-p9: add usb host
Zorro Liu [Fri, 17 Mar 2017 09:29:56 +0000 (17:29 +0800)]
arm64: dts: rk3368-p9: add usb host

Change-Id: Ief0045ac99d3af4db22042d468b67609d6fddf2f
Signed-off-by: Zorro Liu <lyx@rock-chips.com>
7 years agoarm64: dts: rk3368-p9&sheep: disable uart2
Jianqun Xu [Mon, 20 Mar 2017 06:23:19 +0000 (14:23 +0800)]
arm64: dts: rk3368-p9&sheep: disable uart2

Disable uart2 since gpio mux on uart with sdmmc, and rk3368 use
fiq debugger, the uart2 could set to be disabled.

Change-Id: I2d784ccd6cf7526afc0f3bae54914e05febf91a6
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
7 years agoarm64: dts: rk3368-p9: enable sdmmc
Jianqun Xu [Mon, 20 Mar 2017 06:27:45 +0000 (14:27 +0800)]
arm64: dts: rk3368-p9: enable sdmmc

Change-Id: Ib2849e2af020c744e33f0ab1baefbe50cecaa80b
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
7 years agoMerge branch 'linux-linaro-lsk-v4.4' into linux-linaro-lsk-v4.4-android
Alex Shi [Mon, 20 Mar 2017 04:03:10 +0000 (12:03 +0800)]
Merge branch 'linux-linaro-lsk-v4.4' into linux-linaro-lsk-v4.4-android

7 years ago Merge tag 'v4.4.55' into linux-linaro-lsk-v4.4
Alex Shi [Mon, 20 Mar 2017 04:03:07 +0000 (12:03 +0800)]
 Merge tag 'v4.4.55' into linux-linaro-lsk-v4.4

 This is the 4.4.55 stable release

7 years agoFROMLIST: drm/core: Reuse the reserved member in drm_event_vblank for crtc_id.
Maarten Lankhorst [Wed, 10 Aug 2016 10:46:23 +0000 (12:46 +0200)]
FROMLIST: drm/core: Reuse the reserved member in drm_event_vblank for crtc_id.

When doing a atomic commit affecting multiple crtc's, multiple events
are generated. The user_data member does not allow you to distinguish,
because they all have the same pointer.

I've chosen to use crtc_id, because using pipe would create ambiguity
when pipe = 0. A test for != 0 is easier to implement, and crtc_id
will never be 0.

Change-Id: Ie2daba50f711f298872f15498b8d46dedb38c0ff
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Stone <daniels@collabora.com>
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
(am from https://patchwork.kernel.org/patch/9272895/)

7 years agoarm64: dts: rk3368-android: enable rga
Zikim,Wei [Sat, 18 Mar 2017 04:18:09 +0000 (12:18 +0800)]
arm64: dts: rk3368-android: enable rga

Change-Id: I869f4bae54f72dc384c644fe3a0a499db2af3dbf
Signed-off-by: Zikim,Wei <wzq@rock-chips.com>
7 years agoarm64: dts: rk3368-sheep: fix sheep backlight
Mark Yao [Fri, 17 Mar 2017 09:49:00 +0000 (17:49 +0800)]
arm64: dts: rk3368-sheep: fix sheep backlight

Change-Id: Ief2603afd33a65158bf6e86f08e53f96573ce486
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
7 years agovideo: backlight: pwm_bl: fix backlight polarity
Mark Yao [Fri, 17 Mar 2017 09:31:33 +0000 (17:31 +0800)]
video: backlight: pwm_bl: fix backlight polarity

Backlight polarity not works without pwm_adjust_config.

Change-Id: I11e5eefe340f758b6721021f13238306b3721270
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
7 years agoarm64: dts: rk3368: enable uboot loader logo
Mark Yao [Fri, 17 Mar 2017 09:18:40 +0000 (17:18 +0800)]
arm64: dts: rk3368: enable uboot loader logo

Change-Id: I4807ac2aafd9cf319e37eacd184c1eae3ea36242
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
7 years agoLinux 4.4.55
Greg Kroah-Hartman [Sat, 18 Mar 2017 11:10:23 +0000 (19:10 +0800)]
Linux 4.4.55

7 years agoext4: don't BUG when truncating encrypted inodes on the orphan list
Theodore Ts'o [Tue, 14 Feb 2017 16:31:15 +0000 (11:31 -0500)]
ext4: don't BUG when truncating encrypted inodes on the orphan list

commit 0d06863f903ac5f4f6efb0273079d27de3e53a28 upstream.

Fix a BUG when the kernel tries to mount a file system constructed as
follows:

echo foo > foo.txt
mke2fs -Fq -t ext4 -O encrypt foo.img 100
debugfs -w foo.img << EOF
write foo.txt a
set_inode_field a i_flags 0x80800
set_super_value s_last_orphan 12
quit
EOF

root@kvm-xfstests:~# mount -o loop foo.img /mnt
[  160.238770] ------------[ cut here ]------------
[  160.240106] kernel BUG at /usr/projects/linux/ext4/fs/ext4/inode.c:3874!
[  160.240106] invalid opcode: 0000 [#1] SMP
[  160.240106] Modules linked in:
[  160.240106] CPU: 0 PID: 2547 Comm: mount Tainted: G        W       4.10.0-rc3-00034-gcdd33b941b67 #227
[  160.240106] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.1-1 04/01/2014
[  160.240106] task: f4518000 task.stack: f47b6000
[  160.240106] EIP: ext4_block_zero_page_range+0x1a7/0x2b4
[  160.240106] EFLAGS: 00010246 CPU: 0
[  160.240106] EAX: 00000001 EBX: f7be4b50 ECX: f47b7dc0 EDX: 00000007
[  160.240106] ESI: f43b05a8 EDI: f43babec EBP: f47b7dd0 ESP: f47b7dac
[  160.240106]  DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
[  160.240106] CR0: 80050033 CR2: bfd85b08 CR3: 34a00680 CR4: 000006f0
[  160.240106] Call Trace:
[  160.240106]  ext4_truncate+0x1e9/0x3e5
[  160.240106]  ext4_fill_super+0x286f/0x2b1e
[  160.240106]  ? set_blocksize+0x2e/0x7e
[  160.240106]  mount_bdev+0x114/0x15f
[  160.240106]  ext4_mount+0x15/0x17
[  160.240106]  ? ext4_calculate_overhead+0x39d/0x39d
[  160.240106]  mount_fs+0x58/0x115
[  160.240106]  vfs_kern_mount+0x4b/0xae
[  160.240106]  do_mount+0x671/0x8c3
[  160.240106]  ? _copy_from_user+0x70/0x83
[  160.240106]  ? strndup_user+0x31/0x46
[  160.240106]  SyS_mount+0x57/0x7b
[  160.240106]  do_int80_syscall_32+0x4f/0x61
[  160.240106]  entry_INT80_32+0x2f/0x2f
[  160.240106] EIP: 0xb76b919e
[  160.240106] EFLAGS: 00000246 CPU: 0
[  160.240106] EAX: ffffffda EBX: 08053838 ECX: 08052188 EDX: 080537e8
[  160.240106] ESI: c0ed0000 EDI: 00000000 EBP: 080537e8 ESP: bfa13660
[  160.240106]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b
[  160.240106] Code: 59 8b 00 a8 01 0f 84 09 01 00 00 8b 07 66 25 00 f0 66 3d 00 80 75 61 89 f8 e8 3e e2 ff ff 84 c0 74 56 83 bf 48 02 00 00 00 75 02 <0f> 0b 81 7d e8 00 10 00 00 74 02 0f 0b 8b 43 04 8b 53 08 31 c9
[  160.240106] EIP: ext4_block_zero_page_range+0x1a7/0x2b4 SS:ESP: 0068:f47b7dac
[  160.317241] ---[ end trace d6a773a375c810a5 ]---

The problem is that when the kernel tries to truncate an inode in
ext4_truncate(), it tries to clear any on-disk data beyond i_size.
Without the encryption key, it can't do that, and so it triggers a
BUG.

E2fsck does *not* provide this service, and in practice most file
systems have their orphan list processed by e2fsck, so to avoid
crashing, this patch skips this step if we don't have access to the
encryption key (which is the case when processing the orphan list; in
all other cases, we will have the encryption key, or the kernel
wouldn't have allowed the file to be opened).

An open question is whether the fact that e2fsck isn't clearing the
bytes beyond i_size causing problems --- and if we've lived with it
not doing it for so long, can we drop this from the kernel replay of
the orphan list in all cases (not just when we don't have the key for
encrypted inodes).

Addresses-Google-Bug: #35209576

Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agodm: flush queued bios when process blocks to avoid deadlock
Mikulas Patocka [Wed, 15 Feb 2017 16:26:10 +0000 (11:26 -0500)]
dm: flush queued bios when process blocks to avoid deadlock

commit d67a5f4b5947aba4bfe9a80a2b86079c215ca755 upstream.

Commit df2cb6daa4 ("block: Avoid deadlocks with bio allocation by
stacking drivers") created a workqueue for every bio set and code
in bio_alloc_bioset() that tries to resolve some low-memory deadlocks
by redirecting bios queued on current->bio_list to the workqueue if the
system is low on memory.  However other deadlocks (see below **) may
happen, without any low memory condition, because generic_make_request
is queuing bios to current->bio_list (rather than submitting them).

** the related dm-snapshot deadlock is detailed here:
https://www.redhat.com/archives/dm-devel/2016-July/msg00065.html

Fix this deadlock by redirecting any bios on current->bio_list to the
bio_set's rescue workqueue on every schedule() call.  Consequently,
when the process blocks on a mutex, the bios queued on
current->bio_list are dispatched to independent workqueus and they can
complete without waiting for the mutex to be available.

The structure blk_plug contains an entry cb_list and this list can contain
arbitrary callback functions that are called when the process blocks.
To implement this fix DM (ab)uses the onstack plug's cb_list interface
to get its flush_current_bio_list() called at schedule() time.

This fixes the snapshot deadlock - if the map method blocks,
flush_current_bio_list() will be called and it redirects bios waiting
on current->bio_list to appropriate workqueues.

Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1267650
Depends-on: df2cb6daa4 ("block: Avoid deadlocks with bio allocation by stacking drivers")
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agonfit, libnvdimm: fix interleave set cookie calculation
Dan Williams [Wed, 1 Mar 2017 02:32:48 +0000 (18:32 -0800)]
nfit, libnvdimm: fix interleave set cookie calculation

commit 86ef58a4e35e8fa66afb5898cf6dec6a3bb29f67 upstream.

The interleave-set cookie is a sum that sanity checks the composition of
an interleave set has not changed from when the namespace was initially
created.  The checksum is calculated by sorting the DIMMs by their
location in the interleave-set. The comparison for the sort must be
64-bit wide, not byte-by-byte as performed by memcmp() in the broken
case.

Fix the implementation to accept correct cookie values in addition to
the Linux "memcmp" order cookies, but only allow correct cookies to be
generated going forward. It does mean that namespaces created by
third-party-tooling, or created by newer kernels with this fix, will not
validate on older kernels. However, there are a couple mitigating
conditions:

    1/ platforms with namespace-label capable NVDIMMs are not widely
       available.

    2/ interleave-sets with a single-dimm are by definition not affected
       (nothing to sort). This covers the QEMU-KVM NVDIMM emulation case.

The cookie stored in the namespace label will be fixed by any write the
namespace label, the most straightforward way to achieve this is to
write to the "alt_name" attribute of a namespace in sysfs.

Fixes: eaf961536e16 ("libnvdimm, nfit: add interleave-set state-tracking infrastructure")
Reported-by: Nicholas Moulin <nicholas.w.moulin@linux.intel.com>
Tested-by: Nicholas Moulin <nicholas.w.moulin@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agos390/kdump: Use "LINUX" ELF note name instead of "CORE"
Michael Holzheu [Tue, 7 Feb 2017 17:09:14 +0000 (18:09 +0100)]
s390/kdump: Use "LINUX" ELF note name instead of "CORE"

commit a4a81d8eebdc1d209d034f62a082a5131e4242b5 upstream.

In binutils/libbfd (bfd/elf.c) it is enforced that all s390 specific ELF
notes like e.g. NT_S390_PREFIX or NT_S390_CTRS have "LINUX" specified
as note name. Otherwise the notes are ignored.

For /proc/vmcore we currently use "CORE" for these notes.

Up to now this has not been a real problem because the dump analysis tool
"crash" does not check the note name. But it will break all programs that
use libbfd for processing ELF notes.

So fix this and use "LINUX" for all s390 specific notes to comply with
libbfd.

Reported-by: Philipp Rudo <prudo@linux.vnet.ibm.com>
Reviewed-by: Philipp Rudo <prudo@linux.vnet.ibm.com>
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agoKVM: s390: Fix guest migration for huge guests resulting in panic
Janosch Frank [Thu, 2 Mar 2017 14:23:42 +0000 (15:23 +0100)]
KVM: s390: Fix guest migration for huge guests resulting in panic

commit 2e4d88009f57057df7672fa69a32b5224af54d37 upstream.

While we can technically not run huge page guests right now, we can
setup a guest with huge pages. Trying to migrate it will trigger a
VM_BUG_ON and, if the kernel is not configured to panic on a BUG, it
will happily try to work on non-existing page table entries.

With this patch, we always return "dirty" if we encounter a large page
when migrating. This at least fixes the immediate problem until we
have proper handling for both kind of pages.

Fixes: 15f36eb ("KVM: s390: Add proper dirty bitmap support to S390 kvm.")
Cc: <stable@vger.kernel.org> # 3.16+
Signed-off-by: Janosch Frank <frankja@linux.vnet.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agomvsas: fix misleading indentation
Luis de Bethencourt [Mon, 30 Nov 2015 14:32:17 +0000 (14:32 +0000)]
mvsas: fix misleading indentation

commit 7789cd39274c51bf475411fe22a8ee7255082809 upstream.

Fix a smatch warning:
drivers/scsi/mvsas/mv_sas.c:740 mvs_task_prep() warn: curly braces intended?

The code is correct, the indention is misleading. When the device is not
ready we want to return SAS_PHY_DOWN. But current indentation makes it
look like we only do so in the else branch of if (mvi_dev).

Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agoserial: samsung: Continue to work if DMA request fails
Krzysztof Kozlowski [Sat, 25 Feb 2017 16:36:44 +0000 (18:36 +0200)]
serial: samsung: Continue to work if DMA request fails

commit f98c7bce570bdbe344b74ff5daa7dfeef3f22929 upstream.

If DMA is not available (even when configured in DeviceTree), the driver
will fail the startup procedure thus making serial console not
available.

For example this causes boot failure on QEMU ARMv7 (Exynos4210, SMDKC210):
    [    1.302575] OF: amba_device_add() failed (-19) for /amba/pdma@12680000
    ...
    [   11.435732] samsung-uart 13800000.serial: DMA request failed
    [   72.963893] samsung-uart 13800000.serial: DMA request failed
    [   73.143361] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000000

DMA is not necessary for serial to work, so continue with UART startup
after emitting a warning.

Fixes: 62c37eedb74c ("serial: samsung: add dma reqest/release functions")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>