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Add the necessary compatible for supporting the H5 SoC along with a
description of the capabilities of this variant.
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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This introduces two new compatibles for the cedrus driver, for the
A64 and H5 platforms.
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Not all future supported video chips will always have power management
support, and so it is important to check before calling set_power() is
defined.
Signed-off-by: Matt Ranostay <matt.ranostay@konsulko.com>
Reviewed-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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AMG88xx has a register for setting operating mode. This adds support
runtime PM by changing the operating mode.
The instruction for changing sleep mode to normal mode is from the
reference specifications.
https://docid81hrs3j1.cloudfront.net/medialibrary/2017/11/PANA-S-A0002141979-1.pdf
Reviewed-by: Matt Ranostay <matt.ranostay@konsulko.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Convert string compares of DT node names to use of_node_name_eq helper
instead. This removes direct access to the node name pointer.
For instances using of_node_cmp, this has the side effect of now using
case sensitive comparisons. This should not matter for any FDT based
system which this is.
Cc: Steve Longerbeam <slongerbeam@gmail.com>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: devel@driverdev.osuosl.org
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Control events can be subscribed and received by the user. Therefore
drivers that support controls must expose the
V4L2_SUBDEV_FL_HAS_EVENTS flag.
[As discussed in https://lkml.org/lkml/2018/11/27/637]
Reported-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Simulate a more precise timestamp by calculating it based on the
current framerate.
Signed-off-by: Gabriel Francisco Mandaji <gfmandaji@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
[hverkuil-cisco@xs4all.nl: replaced division by 2 with bit shift]
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Add the R8A77980 SoC support to the R-Car VIN driver.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Add the R-Car V3H (AKA R8A77980) SoC support to the R-Car CSI2 driver.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Convert string compares of DT node names to use of_node_name_eq helper
instead. This removes direct access to the node name pointer.
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Kukjin Kim <kgene@kernel.org>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Hyun Kwon <hyun.kwon@xilinx.com>
Cc: Michal Simek <michal.simek@xilinx.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-samsung-soc@vger.kernel.org
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Turning on CONFIG_DMA_API_DEBUG_SG results in the following error:
[ 460.308650] ------------[ cut here ]------------
[ 460.313490] qcom-venus aa00000.video-codec: DMA-API: mapping sg segment longer than device claims to support [len=4194304] [max=65536]
[ 460.326017] WARNING: CPU: 3 PID: 3555 at src/kernel/dma/debug.c:1301 debug_dma_map_sg+0x174/0x254
[ 460.338888] Modules linked in: venus_dec venus_enc videobuf2_dma_sg videobuf2_memops hci_uart btqca bluetooth venus_core v4l2_mem2mem videobuf2_v4l2 videobuf2_common ath10k_snoc ath10k_core ath lzo lzo_compress zramjoydev
[ 460.375811] CPU: 3 PID: 3555 Comm: V4L2DecoderThre Tainted: G W 4.19.1 #82
[ 460.384223] Hardware name: Google Cheza (rev1) (DT)
[ 460.389251] pstate: 60400009 (nZCv daif +PAN -UAO)
[ 460.394191] pc : debug_dma_map_sg+0x174/0x254
[ 460.398680] lr : debug_dma_map_sg+0x174/0x254
[ 460.403162] sp : ffffff80200c37d0
[ 460.406583] x29: ffffff80200c3830 x28: 0000000000010000
[ 460.412056] x27: 00000000ffffffff x26: ffffffc0f785ea80
[ 460.417532] x25: 0000000000000000 x24: ffffffc0f4ea1290
[ 460.423001] x23: ffffffc09e700300 x22: ffffffc0f4ea1290
[ 460.428470] x21: ffffff8009037000 x20: 0000000000000001
[ 460.433936] x19: ffffff80091b0000 x18: 0000000000000000
[ 460.439411] x17: 0000000000000000 x16: 000000000000f251
[ 460.444885] x15: 0000000000000006 x14: 0720072007200720
[ 460.450354] x13: ffffff800af536e0 x12: 0000000000000000
[ 460.455822] x11: 0000000000000000 x10: 0000000000000000
[ 460.461288] x9 : 537944d9c6c48d00 x8 : 537944d9c6c48d00
[ 460.466758] x7 : 0000000000000000 x6 : ffffffc0f8d98f80
[ 460.472230] x5 : 0000000000000000 x4 : 0000000000000000
[ 460.477703] x3 : 000000000000008a x2 : ffffffc0fdb13948
[ 460.483170] x1 : ffffffc0fdb0b0b0 x0 : 000000000000007a
[ 460.488640] Call trace:
[ 460.491165] debug_dma_map_sg+0x174/0x254
[ 460.495307] vb2_dma_sg_alloc+0x260/0x2dc [videobuf2_dma_sg]
[ 460.501150] __vb2_queue_alloc+0x164/0x374 [videobuf2_common]
[ 460.507076] vb2_core_reqbufs+0xfc/0x23c [videobuf2_common]
[ 460.512815] vb2_reqbufs+0x44/0x5c [videobuf2_v4l2]
[ 460.517853] v4l2_m2m_reqbufs+0x44/0x78 [v4l2_mem2mem]
[ 460.523144] v4l2_m2m_ioctl_reqbufs+0x1c/0x28 [v4l2_mem2mem]
[ 460.528976] v4l_reqbufs+0x30/0x40
[ 460.532480] __video_do_ioctl+0x36c/0x454
[ 460.536610] video_usercopy+0x25c/0x51c
[ 460.540572] video_ioctl2+0x38/0x48
[ 460.544176] v4l2_ioctl+0x60/0x74
[ 460.547602] do_video_ioctl+0x948/0x3520
[ 460.551648] v4l2_compat_ioctl32+0x60/0x98
[ 460.555872] __arm64_compat_sys_ioctl+0x134/0x20c
[ 460.560718] el0_svc_common+0x9c/0xe4
[ 460.564498] el0_svc_compat_handler+0x2c/0x38
[ 460.568982] el0_svc_compat+0x8/0x18
[ 460.572672] ---[ end trace ce209b87b2f3af88 ]---
>From above warning one would deduce that the sg segment will overflow
the device's capacity. In reality, the hardware can accommodate larger
sg segments.
So, initialize the max segment size properly to weed out this warning.
Based on a similar patch sent by Sean Paul for mdss:
https://patchwork.kernel.org/patch/10671457/
Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Acked-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Support V4L2 QP parameters in Venus encoder:
* V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP
* V4L2_CID_MPEG_VIDEO_H264_B_FRAME_QP
* V4L2_CID_MPEG_VIDEO_H264_MIN_QP
* V4L2_CID_MPEG_VIDEO_H264_MAX_QP
Signed-off-by: Kelvin Lawson <klawson@lisden.com>
Acked-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Make the core set the reserved fields to zero in
vv4l2_pix_format_mplane.4l2_plane_pix_format,
for _MPLANE queue types.
Moving this to the core avoids having to do so in each
and every driver.
Suggested-by: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Update URL.
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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My Linaro email address with be inactive very soon so switch
it to my Gmail address.
Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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We initially introduced a spin lock to ensure that the VPU registers
are not accessed concurrently between our setup function and IRQ
handler. The V4L2 M2M API ensures that only one decoding job runs at a
time, so the interrupt signaling the end of decoding will not occur
while the next picture is being configured.
Spurious interrupts are taken care of in the handler, by checking that
we have a valid M2M context and a decoding status available before
marking the buffers as done.
In addition, holding a spin lock could be problematic if non-atomic
operations are required in the setup process for future codec support.
As a result, remove the global IRQ spin lock.
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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There are spelling mistakes in dev_dbg messages, fix them.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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There is a spelling mistake in a pvr2_trace trace message, fix it.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Add support for the third loop filter mode
V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY,
and fix V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA and
V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA controls.
The filter offset controls are signed values in the -6 to 6 range and
are stored into the slice header fields slice_alpha_c0_offset_div2 and
slice_beta_offset_div2. The actual filter offsets FilterOffsetA/B are
double their value, in range of -12 to 12.
Rename variables to more closely match the nomenclature in the H.264
specification.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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The venus and s5p-mfc drivers add the loop filter alpha/beta offset
controls V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA/BETA with a range of
-6 to +6, inclusive. This is exactly the range specified for the slice
header fields slice_alpha_c0_offset_div2 and slice_beta_offset_div2,
which store half the actual filter offsets FilterOffsetA/B.
Clarify that this control contains the halved offsets.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Trace points are much more efficient than debug messages for intensive
tracing and could be conveniently enabled / disabled dynamically, hence
let's replace debug messages with the trace points. This also makes
code a bit cleaner.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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When client requests for a keyframe, set the property
to hardware to generate the sync frame.
Signed-off-by: Malathi Gottam <mgottam@codeaurora.org>
Acked-by: Tomasz Figa <tfiga@chromium.org>
Acked-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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SNES RetroPort and RetroPad register only 4 gamepad buttons
when they should register all 8 buttons. This is described here:
https://ask.fedoraproject.org/en/question/128102
This is happening because of:
Commit 190d7f02ce8e ("HID: input: do not increment usages when
duplicate is found")
Here, I add the quirk HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE
(created for backward compatibility with the change in 190d7f02ce8e)
for the two products.
Tested with both RetroPort and RetroPad.
Cc: stable@vger.kernel.org # v4.18+
Signed-off-by: Nic Soudée <nsoudee@gmail.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
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Interrupt is always present throughout life time of driver and
there is no dma element move this buffer to private area of driver.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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The interrupt urb is killed but never freed add the function
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/johan/gnss into char-misc-linus
Johan writes:
GNSS fixes for 4.20-rc6
Here's a fix for a broken activation retry loop in the sirf driver.
Included are also two MAINTAINERS updates.
All have been in linux-next with no reported issues.
Signed-off-by: Johan Hovold <johan@kernel.org>
* tag 'gnss-4.20-rc6' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/gnss:
MAINTAINERS: exclude gnss from SIRFPRIMA2 regex matching
MAINTAINERS: add gnss scm tree
gnss: sirf: fix activation retry handling
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Pin PH11 is used on various A83T board to detect a change in the OTG
port's ID pin, as in when an OTG host cable is plugged in.
The incorrect offset meant the gpiochip/irqchip was activating the wrong
pin for interrupts.
Fixes: 4730f33f0d82 ("pinctrl: sunxi: add allwinner A83T PIO controller support")
Cc: <stable@vger.kernel.org>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Fix an off-by-one error in the memory resource range. This resource is
used to determine the address range of the memory to be hot-plugged as
ZONE_DEVICE memory. The current end address results in the kernel
attempting to map an additional memblock and the hypervisor may reject
the mapping resulting in the entire hot-plug failing.
Fixes: b5beae5e224f ("powerpc/pseries: Add driver for PAPR SCM regions")
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Making PAPR_SCM select LIBNVDIMM results in circular dependencies in
Kconfig when another symbol depends on it. Fix this by replacing the
select with a depends.
Fixes: b5beae5e224f ("powerpc/pseries: Add driver for PAPR SCM regions")
Reported-by: Alastair D'Silva <alastair@d-silva.org>
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Driver rewritten, assign copyright notice and change module author
as original one remains silent and I want to be notified about bugs.
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Set DAI format and sysclk for headset codec.
Signed-off-by: Cheng-Yi Chiang <cychiang@chromium.org>
Acked-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Set TDM time slots and DAI format for speaker codec.
Signed-off-by: Cheng-Yi Chiang <cychiang@chromium.org>
Acked-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Sound capture and line bypass currently do not work as well as
some mixer controls. Fix that by building proper audio paths and
adjusting volume controls to match datasheet.
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Drop "Common NI Values Table" and calculate LRCLK divider, then
add allowed rate constraints based on master clock frequency.
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Implement set_bias_level to drive shutdown bit, so device is
put to sleep when unused.
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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ret is assigned later, no need to initialize it.
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Now that there are different variants of pt_regs for userspace and
kernel, the uapi for the BPF_PROG_TYPE_PERF_EVENT program type must be
changed by exporting the user_pt_regs structure instead of the pt_regs
structure that is in-kernel only.
Fixes: 002af9391bfb ("powerpc: Split user/kernel definitions of struct pt_regs")
Signed-off-by: Sandipan Das <sandipan@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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On H3 (ES1.x, ES2.0) and M3-W (ES1.0, ES1.1) the clock setting for HS400
needs a quirk to function properly. The reason for the quirk is that
there are two settings which produces same divider value for the SDn
clock. On the effected boards the one currently selected results in
HS400 not working.
This change uses the same method as the Gen2 CPG driver and simply
ignores the first clock setting as this is the offending one when
selecting the settings. Which of the two possible settings is used have
no effect for SDR104.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Document the known use cases of the different clock settings. This is
useful as different SoC and ES versions use different settings to do
the same thing as there is more than one combination to achieve the
same SDn clock speed.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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The driver tries to figure out which state a SD clock is in when the
clock is registered, instead of setting a known state. This can be
problematic for two reasons.
1. If the clock driver can't figure out the state of the clock,
registration of the clock fails, and setting of a known state by a
clock user is not possible.
2. The state of the clock depends on if and how the bootloader
configured it. The driver only checks that the rate is known, not if
the clock is stopped or not for example.
Fix this by setting a known state and making sure the clock is stopped.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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This patch will enable headset button for new Chrome platform.
Signed-off-by: Kailang Yang <kailang@realtek.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Extend some structs to add the support for jack button changes.
Now snd_hda_jack_add_kctl() receives two more arguments: the jack type
and the jack keymaps. Both are optional, and when zero are passed,
the function behaves just like before.
For reporting button state changes, you'd need to update
jack->button_state bits accordingly, typically in the jack callback.
Then the value OR'ed with button_state and the jack plug state is
passed to snd_jack_report().
Note that currently the code assumes only the one-shot button events,
i.e. it tries to send the button release soon after sending the button
event. If a driver really supports the button release handling by
itself, we may need to introduce some flag to control this behavior in
future.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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For allowing the callee to evaluate the associated jack information
and the unsolicited event data, add the new fields to
hda_jack_callback. They can be used, for example, to retrieve the
headset button state in the callback.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Back-merge for applying the more HD-audio quirks on top of the latest
code.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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There is a plan to build the kernel with -Wimplicit-fallthrough and
these places in the code produced warnings. Fix them up.
Signed-off-by: Mathieu Malaterre <malat@debian.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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Commit 78d3a92edbfb ("gpiolib-acpi: Register GpioInt ACPI event handlers
from a late_initcall") deferred the entire acpi_gpiochip_request_interrupt
call for each event resource.
This means it also delays the gpiochip_request_own_desc(..., "ACPI:Event")
call. This is a problem if some AML code reads the GPIO pin before we
run the deferred acpi_gpiochip_request_interrupt, because in that case
acpi_gpio_adr_space_handler() will already have called
gpiochip_request_own_desc(..., "ACPI:OpRegion") causing the call from
acpi_gpiochip_request_interrupt to fail with -EBUSY and we will fail to
register an event handler.
acpi_gpio_adr_space_handler is prepared for acpi_gpiochip_request_interrupt
already having claimed the pin, but the other way around does not work.
One example of a problem this causes, is the event handler for the OTG
ID pin on a Prowise PT301 tablet not registering, keeping the port stuck
in whatever mode it was in during boot and e.g. only allowing charging
after a reboot.
This commit fixes this by only deferring the request_irq call and the
initial run of edge-triggered IRQs instead of deferring all of
acpi_gpiochip_request_interrupt.
Cc: stable@vger.kernel.org
Fixes: 78d3a92edbfb ("gpiolib-acpi: Register GpioInt ACPI event ...")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Add support for GigaDevice GD5F1G/2G/4GQ4xA SPI NAND.
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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We try to force NAND controller drivers to properly separate the NAND
controller object from the NAND chip one, so let's deprecate the dummy
controller object embedded in nand_chip to encourage them to create
their own instance.
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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Replace the license text by an SPDX tag.
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Reviewed-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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The dummy controller is kept around to support old drivers. Let's
patch this one and declare our own nand_controller instance.
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Reviewed-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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