This converts some of the visually simpler cases that have been split over multiple lines. I only did the ones that are easy to verify the resulting diff by having just that final GFP_KERNEL argument on the next line. Somebody should probably do a proper coccinelle script for this, but for me the trivial script actually resulted in an assertion failure in the middle of the script. I probably had made it a bit _too_ trivial. So after fighting that far a while I decided to just do some of the syntactically simpler cases with variations of the previous 'sed' scripts. The more syntactically complex multi-line cases would mostly really want whitespace cleanup anyway. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This was done entirely with mindless brute force, using
git grep -l '\<k[vmz]*alloc_objs*(.*, GFP_KERNEL)' |
xargs sed -i 's/\(alloc_objs*(.*\), GFP_KERNEL)/\1)/'
to convert the new alloc_obj() users that had a simple GFP_KERNEL
argument to just drop that argument.
Note that due to the extreme simplicity of the scripting, any slightly
more complex cases spread over multiple lines would not be triggered:
they definitely exist, but this covers the vast bulk of the cases, and
the resulting diff is also then easier to check automatically.
For the same reason the 'flex' versions will be done as a separate
conversion.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This is the result of running the Coccinelle script from scripts/coccinelle/api/kmalloc_objs.cocci. The script is designed to avoid scalar types (which need careful case-by-case checking), and instead replace kmalloc-family calls that allocate struct or union object instances: Single allocations: kmalloc(sizeof(TYPE), ...) are replaced with: kmalloc_obj(TYPE, ...) Array allocations: kmalloc_array(COUNT, sizeof(TYPE), ...) are replaced with: kmalloc_objs(TYPE, COUNT, ...) Flex array allocations: kmalloc(struct_size(PTR, FAM, COUNT), ...) are replaced with: kmalloc_flex(*PTR, FAM, COUNT, ...) (where TYPE may also be *VAR) The resulting allocations no longer return "void *", instead returning "TYPE *". Signed-off-by: Kees Cook <kees@kernel.org>
Use cleanup __free(fwnode_handle) simplify code. No functional change. Signed-off-by: Frank Li <Frank.Li@nxp.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Link: https://patch.msgid.link/20260116-cam_cleanup-v4-3-29ce01640443@nxp.com Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
Use devm_pm_runtime_enable() to simplify code. Change to use dev_err_probe() because previous goto change to return. No functional change. Signed-off-by: Frank Li <Frank.Li@nxp.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Link: https://patch.msgid.link/20260116-cam_cleanup-v4-2-29ce01640443@nxp.com Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
Use dev_err_probe() to simplify the code. Drop the explicit error message after returning from imx8mq_mipi_csi_parse_dt(), as the error is already reported by this helper. No functional change. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Alexander Stein <alexander.stein@ew.tq-group.com> Signed-off-by: Frank Li <Frank.Li@nxp.com> Link: https://patch.msgid.link/20260116-cam_cleanup-v4-1-29ce01640443@nxp.com Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
The imx8-isi driver has a module alias named "ISI". This is not required, as there is no reason to load this module through an alias: the device is probed through OF, and the module has never been named "ISI". Drop the alias. Suggested-by: Johan Hovold <johan@kernel.org> Reviewed-by: Johan Hovold <johan@kernel.org> Reviewed-by: Frank Li <Frank.Li@nxp.com> Link: https://patch.msgid.link/20251102234438.8022-1-laurent.pinchart@ideasonboard.com Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
Return -ENXIO from routing configuration errors other than generic IOCTL argument validation. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
Add support for optional allocation of bitstream descriptors from SRAM
instead of DRAM. In case the encoder/decoder DT node contains 'sram'
property which points to 'mmio-sram', the driver will attempt to use
the SRAM instead of DRAM for descriptor allocation, which might improve
performance.
This also helps on i.MX95 rev.A with sporadic SLOTn_STATUS IMG_RD_ERR
bit 11 being triggered during JPEG encoding, which is caused by a bug
fixed on later SoC revisions. The bug occurs less often when using the
SRAM for descriptor storage, but is not entirely mitigated. The following
pipeline triggers the bug when descriptors get allocated from DRAM, the
pipeline often hangs after a few seconds and the encoder driver indicates
"timeout, cancel it":
gst-launch-1.0 videotestsrc ! \
video/x-raw,width=256,height=256,format=YUY2 ! \
queue ! v4l2jpegenc ! queue ! fakesink
Tested-by: Ming Qian <ming.qian@oss.nxp.com>
Signed-off-by: Marek Vasut <marek.vasut@mailbox.org>
Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
Call on v4l2_get_active_data_lanes() to check if the driver reports that the number of lanes actively used by the MIPI CSI transmitter differs to the maximum defined in device tree. If the number of active data lanes reported by the driver is invalid, catch and return the error. If the operation is not supported, fall back to the number of allowed data lanes. Signed-off-by: Isaac Scott <isaac.scott@ideasonboard.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>