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The cx231xx USB bridge has issue streaming QAM256 DVB-C channels.
QAM64 channels were fine, but QAM256 channels produced corrupted
transport streams.
cx231xx alt mode 4 does not provide enough bandwidth to acommodate
QAM256 DVB-C channels, most likely DVB-T2 channels would break up
as well. Alt mode 5 increases bridge bandwidth to 90Mbps, and
fixes QAM256 DVB-C streaming.
Signed-off-by: Brad Love <brad@nextdimension.cc>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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When a BRx is provided by a pipeline, the WPF must determine the master
layer. Currently the condition to check this identifies pipe->bru ||
pipe->num_inputs > 1.
The code then moves on to dereference pipe->bru, thus the check fails
static analysers on the possibility that pipe->num_inputs could be
greater than 1 without pipe->bru being set.
The reality is that the pipeline must have a BRx to support more than
one input, thus this could never cause a fault - however it also
identifies that the num_inputs > 1 check is redundant.
Remove the redundant check - and always configure the master layer
appropriately when we have a BRx configured in our pipeline.
Fixes: 6134148f6098 ("v4l: vsp1: Add support for the BRS entity")
Cc: stable@vger.kernel.org
Suggested-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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If an error was detected when CMD23 was issued, command sequence should
be terminated with errors and CMD23 should be issued after retuning.
Fixes: 8b22c3c18be5 ("mmc: tmio: add CMD23 support")
Signed-off-by: Masaharu Hayakawa <masaharu.hayakawa.ry@renesas.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Cc: <stable@vger.kernel.org> # 4.13+
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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The output pixel format changed by set_fmt() pad operation is not
correctly applied. It is intended to be restored by calling
ov5640_set_framefmt() when the video stream is started.
However, when the device is powered on by s_power subdev operation before
the video stream is started, the current output mode setting is restored
by ov5640_restore_mode() that also clears pending_mode_change flag in
ov5640_set_mode(). So ov5640_set_framefmt() isn't called as intended and
the output pixel format is not restored.
This change adds the missing output pixel format setting in the
ov5640_restore_mode() that is called when the device is powered on.
Cc: Steve Longerbeam <slongerbeam@gmail.com>
Cc: Hugues Fruchet <hugues.fruchet@st.com>
Cc: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Structure i2c_driver does not need to set the owner field, as this will
be populated by the driver core.
Generated by scripts/coccinelle/api/platform_no_drv_owner.cocci.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Use v4l2_find_nearest_size instead of a driver specific function to find
nearest matching size.
Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The device node obtained with of_graph_get_next_endpoint() should be
released by calling of_node_put(). But it was not released when
v4l2_fwnode_endpoint_parse() failed.
This change moves the of_node_put() call before the error check and
fixes the issue.
Cc: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Acked-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Fix set of missing colorspace related fields in get_/set_fmt.
Detected by v4l2-compliance tool.
[Sakari Ailus: Rearrange fmt declaration in ov5640_probe()]
Signed-off-by: Hugues Fruchet <hugues.fruchet@st.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Replace GPL v2 license notice with SPDX license identifier.
Signed-off-by: Chiranjeevi Rapolu <chiranjeevi.rapolu@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Replace GPL v2 license notice with SPDX license identifier.
Signed-off-by: Chiranjeevi Rapolu <chiranjeevi.rapolu@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Remove the GPL v2 license boilerplate and update with the SPDX license
identifier.
Signed-off-by: Rajmohan Mani <rajmohan.mani@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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An older version of the driver patches were merged accidentally which
resulted in missing the array_size parameter that tells the length of the
array that contains the different supported sizes.
Bring it back to v4l2_find_nearest size and make the corresponding change
for the drivers using it as well.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Since commit 52e17089d185 ("media: imx: Don't initialize vars that
won't be used") imx_csi_probe() fails to probe after propagating the
devm_pinctrl_get_select_default() error.
devm_pinctrl_get_select_default() may return -ENODEV when the CSI pinctrl
entry is not found, so better not to propagate the error in the -ENODEV
case to avoid a regression.
Suggested-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Reviewed-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The MEDIA_ENT_F_* defines refer to functions, not types. Update the
documentation accordingly.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The size of the reserved arrays in the documentation is wrong. Sync
this with the actual header.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The v4l2_pix_format documentation still had 'enum's as types.
Replace by __u32 and add a reference to the enum.
Also put ycbcr_enc and hsv_enc in a union.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The v4l2_pix_format_mplane documentation still had 'enum's as types.
Replace by __u8 and add a reference to the enum.
Also put ycbcr_enc and hsv_enc in a union.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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I know, it's a measly space, but I can't stand it since the
V4L2_PIX_FMT_NV24 case before this case does it right.
So add the space in order to restore blessed symmetry and
consistency and to make the world whole again...
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Older Kernels use a struct for ktime_t, which requires the conversion
function ktime_to_ns to be used on some places. With this patch it will
compile now also for older Kernel versions.
Signed-off-by: Jasmin Jessich <jasmin@anw.at>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The error return value should be fixed as it may return EPROBE_DEFER.
Cc: Bin Liu <bin.liu@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Acked-by: Rick Chang <rick.chang@mediatek.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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There is a ':' in excess, resulting in an unwanted ':' in the rendered
output.
Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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resizer_configure_in_continious_mode
Trivial fix: rename function resizer_configure_in_continious_mode to
resizer_configure_in_continuous_mode to fix spelling mistake.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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find_format_by_index() stops enumerating formats as soon as the index
matches, and returns NULL if venus_helper_check_codec() finds out that
the format is not supported. This prevents formats to be properly
enumerated if a non-supported format is present, as the enumeration will
end with it.
Fix this by moving the call to venus_helper_check_codec() into the loop,
and keep enumerating when it fails.
Fixes: 29f0133ec6 media: venus: use helper function to check supported codecs
Signed-off-by: Alexandre Courbot <acourbot@chromium.org>
Acked-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The IS_ERR()/PTR_ERR() combination confuses gcc to the point that it
cannot prove the upstream_ep variable to be initialized:
drivers/staging/media/imx/imx-media-csi.c: In function 'csi_link_validate':
drivers/staging/media/imx/imx-media-csi.c:1025:20: error: 'upstream_ep' may be used uninitialized in this function [-Werror=maybe-uninitialized]
priv->upstream_ep = upstream_ep;
~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
drivers/staging/media/imx/imx-media-csi.c:1026:24: error: 'upstream_ep.bus_type' may be used uninitialized in this function [-Werror=maybe-uninitialized]
is_csi2 = (upstream_ep.bus_type == V4L2_MBUS_CSI2);
~~~~~~~~~~~^~~~~~~~~
drivers/staging/media/imx/imx-media-csi.c:127:19: error: 'upstream_ep.bus.parallel.bus_width' may be used uninitialized in this function [-Werror=maybe-uninitialized]
I could come up with no good way to rewrite this function, as a last
resort, this adds an explicit zero-intialization of the structure.
Fixes: 52e17089d185 ("media: imx: Don't initialize vars that won't be used")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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arm has an optional MULTI_IRQ_HANDLER, which openrisc copied but didn't
make optional. The multi irq handler infrastructure has been copied to
generic code selectable with a new config symbol. That symbol can be
selected by randconfig builds and can cause build breakage.
Introduce CONFIG_MULTI_IRQ_HANDLER as an intermediate step which prevents
the core config symbol from being selected. The openrisc local config
symbol will be removed once openrisc gets converted to the generic code.
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Link: https://lkml.kernel.org/r/20180404043130.31277-3-palmer@sifive.com
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arm has an optional MULTI_IRQ_HANDLER, which arm64 copied but didn't make
optional. The multi irq handler infrastructure has been copied to generic
code selectable with a new config symbol. That symbol can be selected by
randconfig builds and can cause build breakage.
Introduce CONFIG_MULTI_IRQ_HANDLER as an intermediate step which prevents
the core config symbol from being selected. The arm64 local config symbol
will be removed once arm64 gets converted to the generic code.
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Link: https://lkml.kernel.org/r/20180404043130.31277-2-palmer@sifive.com
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These config switches enable the same code in the core and the not yet
converted architecture code. They can be selected both by randconfig builds
and cause linker error because the same symbols are defined twice.
Make the new GENERIC_IRQ_MULTI_HANDLER depend on !MULTI_IRQ_HANDLER to
prevent that. The dependency will be removed once all architectures are
converted over.
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Link: https://lkml.kernel.org/r/20180404043130.31277-4-palmer@sifive.com
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As pointed by smatch:
drivers/media/tuners/r820t.c:2374 r820t_attach() error: potential null dereference 'priv'. (kzalloc returns null)
The current function with prints error assumes that the attach
succeeds. So, don't use it in case of failures.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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There will be a build warning -Wunused-function if CONFIG_CGROUP_BPF
isn't defined, since the only user is inside #ifdef CONFIG_CGROUP_BPF:
kernel/bpf/syscall.c:1229:12: warning: ‘bpf_prog_attach_check_attach_type’
defined but not used [-Wunused-function]
static int bpf_prog_attach_check_attach_type(const struct bpf_prog *prog,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Current code moves function bpf_prog_attach_check_attach_type inside
ifdef CONFIG_CGROUP_BPF.
Fixes: 5e43f899b03a ("bpf: Check attach type at prog load time")
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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It is possible to have multiple ULP tcp_release call paths in flight
if a sock is closed and simultaneously being removed from the sockmap
control path. The result would be setting the sk_prot to the saved
values on the first iteration and then on the second iteration setting
the value to NULL.
This patch resolves this by ensuring we only reset the sk_prot pointer
if we have a valid saved state to set.
Fixes: 4f738adba30a7 ("bpf: create tcp_bpf_ulp allowing BPF to monitor socket TX/RX data")
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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If a socket with pending cork data is closed we do not return the
memory to the socket until the garbage collector free's the psock
structure. The garbage collector though can run after the sock has
completed its close operation. If this ordering happens the sock code
will through a WARN_ON because there is still outstanding memory
accounted to the sock.
To resolve this ensure we return memory to the sock when a socket
is closed.
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Fixes: 91843d540a13 ("bpf: sockmap, add msg_cork_bytes() helper")
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Upon module load, mmc_block allocates a bus with bus_registeri() in
mmc_blk_init(). This reference never gets freed during module unload, which
leads to subsequent re-insertions of the module fails and a WARN() splat is
triggered.
Fix the bug by dropping the reference for the bus in mmc_blk_exit().
Signed-off-by: Alexander Kappner <agk@godking.net>
Fixes: 97548575bef3 ("mmc: block: Convert RPMB to a character device")
Cc: <stable@vger.kernel.org>
Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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A spinlock is held while updating the internal copy of the IRQ mask,
but not while writing it to the actual IMASK register. After the lock
is released, an IRQ can occur before the IMASK register is written.
If handling this IRQ causes the mask to be changed, when the handler
returns back to the middle of the first mask update, a stale value
will be written to the mask register.
If this causes an IRQ to become unmasked that cannot have its status
cleared by writing a 1 to it in the IREG register, e.g. the SDIO IRQ,
then we can end up stuck with the same IRQ repeatedly being fired but
not handled. Normally the MMC IRQ handler attempts to clear any
unexpected IRQs by writing IREG, but for those that cannot be cleared
in this way then the IRQ will just repeatedly fire.
This was resulting in lockups after a while of using Wi-Fi on the
CI20 (GitHub issue #19).
Resolve by holding the spinlock until after the IMASK register has
been updated.
Cc: stable@vger.kernel.org
Link: https://github.com/MIPS/CI20_linux/issues/19
Fixes: 61bfbdb85687 ("MMC: Add support for the controller on JZ4740 SoCs.")
Tested-by: Mathieu Malaterre <malat@debian.org>
Signed-off-by: Alex Smith <alex.smith@imgtec.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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kernel parameter disable_radix takes different options
disable_radix=yes|no|1|0 or just disable_radix.
prom_init parsing is not supporting these options.
Fixes: 1fd6c0220710 ("powerpc/mm: Add a CONFIG option to choose if radix is used by default")
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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kernel parameter disable_radix takes different options
disable_radix=yes|no|1|0 or just disable_radix. When using the later
format we get below error.
`Malformed early option 'disable_radix'`
Fixes: 1fd6c0220710 ("powerpc/mm: Add a CONFIG option to choose if radix is used by default")
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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With 64k page size, we have hugetlb pte entries at the pmd and pud level for
book3s64. We don't need to create a separate page table cache for that. With 4k
we need to make sure hugepd page table cache for 16M is placed at PUD level
and 16G at the PGD level.
Simplify all these by not using HUGEPD_PD_SHIFT which is confusing for book3s64.
Without this patch, with 64k page size we create pagetable caches with shift
value 10 and 7 which are not used at all.
Fixes: 419df06eea5b ("powerpc: Reduce the PTE_INDEX_SIZE")
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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With split PTL (page table lock) config, we allocate the level
4 (leaf) page table using pte fragment framework instead of slab cache
like other levels. This was done to enable us to have split page table
lock at the level 4 of the page table. We use page->plt backing the
all the level 4 pte fragment for the lock.
Currently with Radix, we use only 16 fragments out of the allocated
page. In radix each fragment is 256 bytes which means we use only 4k
out of the allocated 64K page wasting 60k of the allocated memory.
This was done earlier to keep it closer to hash.
This patch update the pte fragment count to 256, thereby using the
full 64K page and reducing the memory usage. Performance tests shows
really low impact even with THP disabled. With THP disabled we will be
contenting further less on level 4 ptl and hence the impact should be
further low.
256 threads:
without patch (10 runs of ./ebizzy -m -n 1000 -s 131072 -S 100)
median = 15678.5
stdev = 42.1209
with patch:
median = 15354
stdev = 194.743
This is with THP disabled. With THP enabled the impact of the patch
will be less.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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A single register of the controller holds the information for four dma
channels.
The functions stm32_dma_irq_status() don't mask the relevant bits after
the shift, thus adjacent channel's status is also reported in the returned
value.
Fixed by masking the value before returning it.
Similarly, the function stm32_dma_irq_clear() don't mask the input value
before shifting it, thus an incorrect input value could disable the
interrupts of adjacent channels.
Fixed by masking the input value before using it.
Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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Having 0 in item counter register is valid and stands for a "No or Ended
transfer". Therefore valid transfer starts from @+0 to @+0xFFFE leading to
unaligned scatter gather at boundary. Thus it's safer to round down this
value on its FIFO size (16 Bytes).
Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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Update the way Transfer Complete and Half Transfer Complete status are
acknowledge. Even if HTI is not enabled its status is shown when reading
registers, driver has to clear it gently and not raise an error.
Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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This patch improves memory burst capability using best burst size
according to transferred buffer size from/to memory.
>From now on, memory burst is not necessarily same as with peripheral
burst one and fifo threshold is directly managed by this driver in order
to fit with computed memory burst.
Signed-off-by: M'boumba Cedric Madianga <cedric.madianga@gmail.com>
Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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Fix typo in a comment and solved reported checkpatch warnings.
Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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When in cyclic mode, the configuration is updated after having started the
DMA hardware (STM32_DMA_SCR_EN) leading to incomplete configuration of
SMxAR registers.
Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
Signed-off-by: Hugues Fruchet <hugues.fruchet@st.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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>From now on, DMA bitfield is to manage DMA FIFO Threshold.
Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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This bitfield intends to address features to be activated within the
driver. Initially the mask was only meant for FIFO Threshold management.
Backward compatibility is preserved but the meaning of this field has been
extended to features instead of only threshold.
Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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Renesas RZ/G SoC also have the R-Car gen2/3 compatible DMA controllers.
Document RZ/G1C (also known as R8A77470) SoC bindings.
Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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If serial console wake-up is enabled ("echo enabled >
/sys/.../ttySC0/power/wakeup"), and any serial input is received while
the system is suspended, serial port input no longer works after system
resume.
Note that:
1) The system can still be woken up using the serial console,
2) Serial port input keeps working if the system is woken up in some
other way (e.g. Wake-on-LAN or gpio-keys), and no serial input was
received while suspended.
To fix this, replace SET_LATE_SYSTEM_SLEEP_PM_OPS() by
SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(), as the callbacks installed by the
former happen too early resp. late in the suspend resp. resume process.
Reported-by: RVC test team via Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Fixes: 1131b0a4af911de5 ("dmaengine: rcar-dmac: Make DMAC reinit during system resume explicit")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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Adds more code comments. We also remove an unnecessary pkey check
after we check for pkey error in this patch.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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