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Add serial support for RZ/V2H(P) SoC with earlycon.
The SCIF interface in the Renesas RZ/V2H(P) is similar to that available
in the RZ/G2L (R9A07G044) SoC, with the following differences:
- RZ/V2H(P) SoC has three additional interrupts: one for Tx end/Rx ready
and two for Rx and Tx buffer full, all of which are edge-triggered.
- RZ/V2H(P) supports asynchronous mode, whereas RZ/G2L supports both
synchronous and asynchronous modes.
- There are differences in the configuration of certain registers such
as SCSMR, SCFCR, and SCSPTR between the two SoCs.
To handle these differences on RZ/V2H(P) SoC SCIx_RZV2H_SCIF_REGTYPE
is added.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20240604170513.522631-6-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Export drm_plane_has_format() so that drivers can use it.
v2: add kerneldoc
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240619113144.1616-1-ville.syrjala@linux.intel.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Daniel Stone <daniels@collabora.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
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The clock definitions in <dt-bindings/clock/r8a779?-clock.h> were
superseded by those in <dt-bindings/clock/r8a779?-cpg-mssr.h> a long
time ago.
The last DTS user of these files was removed in commit 362b334b17943d84
("ARM: dts: r8a7791: Convert to new CPG/MSSR bindings") in v4.15.
Driver support for the old bindings was removed in commit
58256143cff7c2e0 ("clk: renesas: Remove R-Car Gen2 legacy DT clock
support") in v5.5, so there is no point to keep on carrying these.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/d4abb688d666be35e99577a25b16958cbb4c3c98.1718796005.git.geert+renesas@glider.be
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Drop duplicate newline. No functional change.
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20240616160038.45937-1-marek.vasut+renesas@mailbox.org
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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to support corresponding TAS2563/TAS2781s
Add name_prefix as the prefix name of firmwares and
kcontrol to support corresponding TAS2563/TAS2781s.
name_prefix is not mandatory.
Signed-off-by: Shenghao Ding <shenghao-ding@ti.com>
Link: https://patch.msgid.link/20240621132309.564-1-shenghao-ding@ti.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Export reference quantization and huffman tables as provided in ITU-T.81 so
that they can be re-used by other JPEG drivers.
These are example tables provided in ITU-T.81 as reference tables and the
JPEG encoders are free to use either these or their own proprietary tables.
Also add necessary prefixes to be used for huffman tables in global header
file.
Signed-off-by: Devarsh Thakkar <devarsht@ti.com>
Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sebastian Fricke <sebastian.fricke@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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Some macros are defined in tracepoints events. They should be back to
undefined state after use.
Link: https://lore.kernel.org/r/20240623083900.777897-1-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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SHM Bridge is a safety mechanism allowing to limit the amount of memory
shared between the kernel and the TrustZone to regions explicitly marked
as such.
Add low-level primitives for enabling SHM bridge support as well as
creating and destroying SHM bridges to qcom-scm.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Acked-by: Andrew Halaney <ahalaney@redhat.com>
Tested-by: Andrew Halaney <ahalaney@redhat.com> # sc8280xp-lenovo-thinkpad-x13s
Tested-by: Deepti Jaggi <quic_djaggi@quicinc.com> #sa8775p-ride
Reviewed-by: Elliot Berman <quic_eberman@quicinc.com>
Link: https://lore.kernel.org/r/20240527-shm-bridge-v10-10-ce7afaa58d3a@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Drop the DMA mapping operations from qcom_scm_qseecom_app_send() and
convert all users of it in the qseecom module to using the TZ allocator
for creating SCM call buffers. As this is largely a module separate from
the SCM driver, let's use a separate memory pool. Set the initial size to
4K and - if we run out - add twice the current amount to the pool.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Elliot Berman <quic_eberman@quicinc.com>
Reviewed-by: Amirreza Zarrabi <quic_azarrabi@quicinc.com>
Link: https://lore.kernel.org/r/20240527-shm-bridge-v10-9-ce7afaa58d3a@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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We have several SCM calls that require passing buffers to the TrustZone
on top of the SMC core which allocates memory for calls that require
more than 4 arguments.
Currently every user does their own thing which leads to code
duplication. Many users call dma_alloc_coherent() for every call which
is terribly unperformant (speed- and size-wise).
Provide a set of library functions for creating and managing pools of
memory which is suitable for sharing with the TrustZone, that is:
page-aligned, contiguous and non-cachable as well as provides a way of
mapping of kernel virtual addresses to physical space.
Make the allocator ready for extending with additional modes of operation
which will allow us to support the SHM bridge safety mechanism once all
users convert.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Tested-by: Andrew Halaney <ahalaney@redhat.com> # sc8280xp-lenovo-thinkpad-x13s
Tested-by: Deepti Jaggi <quic_djaggi@quicinc.com> #sa8775p-ride
Reviewed-by: Elliot Berman <quic_eberman@quicinc.com>
Link: https://lore.kernel.org/r/20240527-shm-bridge-v10-2-ce7afaa58d3a@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Add a clock id for SFC's AHB clock.
Signed-off-by: Alex Bee <knaerzche@gmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240606143401.32454-5-knaerzche@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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CLK_NR_CLKS should not be part of the binding. Let's drop it, since
the kernel code no longer uses it either.
Signed-off-by: Alex Bee <knaerzche@gmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240606143401.32454-4-knaerzche@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"The core gains placeholders for recently added functions when
CONFIG_I2C is not defined as well documentation fixes to start using
inclusive terminology.
The drivers get paths in DT bindings fixed as well as proper interrupt
handling for the ocores driver"
* tag 'i2c-for-6.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
docs: i2c: summary: be clearer with 'controller/target' and 'adapter/client' pairs
docs: i2c: summary: document 'local' and 'remote' targets
docs: i2c: summary: document use of inclusive language
docs: i2c: summary: update speed mode description
docs: i2c: summary: update I2C specification link
docs: i2c: summary: start sentences consistently.
i2c: Add nop fwnode operations
i2c: ocores: set IACK bit after core is enabled
dt-bindings: i2c: google,cros-ec-i2c-tunnel: correct path to i2c-controller schema
dt-bindings: i2c: atmel,at91sam: correct path to i2c-controller schema
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git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
Pull memblock fix from Mike Rapoport:
"Fix fragility in checks for unset node ID.
Use numa_valid_node() function to verify that nid is a valid node
ID instead of inconsistent comparisons with either NUMA_NO_NODE or
MAX_NUMNODES"
* tag 'fixes-2024-06-23' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
memblock: use numa_valid_node() helper to check for invalid node ID
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Merge series from David Lechner <dlechner@baylibre.com>:
In the IIO subsystem, we are finding that it is common to call
spi_optimize_message() during driver probe since the SPI message
doesn't change for the lifetime of the driver. This patch adds a
devm_spi_optimize_message() helper to simplify this common pattern.
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Merge series from Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>:
Make few pointers in ASoC functions as pointers to const, so the code is
clearer to read, a bit safer and allows further constifications (e.g.
placing some data as rodata).
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Add a dump of the EQ entries headers upon a EQ heartbeat failure.
Signed-off-by: Tomer Tayar <ttayar@habana.ai>
Reviewed-by: Ofir Bitton <obitton@habana.ai>
Signed-off-by: Ofir Bitton <obitton@habana.ai>
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Add cpld_timestamp field to cpucp_info structure and return cpld
timestamp as part of cpld version
Signed-off-by: Vitaly Margolin <vmargolin@habana.ai>
Reviewed-by: Ofir Bitton <obitton@habana.ai>
Signed-off-by: Ofir Bitton <obitton@habana.ai>
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In struct cpucp_packet both nonce and data_max_size members are in an
union overlapping each other. This is a problem as they both are used
in attestation and info_signed packets.
The solution here is to move the nonce member to a different union under
the same structure.
Signed-off-by: Dani Liberman <dliberman@habana.ai>
Reviewed-by: Ofir Bitton <obitton@habana.ai>
Signed-off-by: Ofir Bitton <obitton@habana.ai>
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Align embedded headers to latest release.
Reviewed-by: Tomer Tayar <ttayar@habana.ai>
Signed-off-by: Ofir Bitton <obitton@habana.ai>
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Provide new primitives for solving a lifetime issue with bcachefs
btree_trans objects.
closure_sync_return(): like closure_sync(), wait synchronously for any
outstanding gets. like closure_return, the closure is considered
"finished" and the ref left at 0.
closure_get_not_zero(): get a ref on a closure if it's alive, i.e. the
ref is not zero.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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There are fixes for kselftest with clang that really help my CI.
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A number of fixes that have built up for SPI, a bunch of driver
specific ones including an unfortunate revert of an optimisation for
the i.MX driver which was causing issues with some configurations,
plus a couple of core fixes for the rarely used octal mode and for a
bad interaction between multi-CS support and target mode"
* tag 'spi-fix-v6.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: spi-imx: imx51: revert burst length calculation back to bits_per_word
spi: Fix SPI slave probe failure
spi: Fix OCTAL mode support
spi: stm32: qspi: Clamp stm32_qspi_get_mode() output to CCR_BUSWIDTH_4
spi: stm32: qspi: Fix dual flash mode sanity test in stm32_qspi_setup()
spi: cs42l43: Drop cs35l56 SPI speed down to 11MHz
spi: cs42l43: Correct SPI root clock speed
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Add the required clock bindings for the GPADC.
Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240605172049.231108-2-macroalpha82@gmail.com
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
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This adds a new helper function devm_spi_optimize_message() that
automatically registers spi_unoptimize_message() to be called
when the device is removed.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20240621-devm_spi_optimize_message-v1-2-3f9dcba6e95e@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next
Marc Kleine-Budde says:
====================
pull-request: can-next 2024-06-21
The first 2 patches are by Andy Shevchenko, one cleans up the includes
in the mcp251x driver, the other one updates the sja100 plx_pci driver
to make use of predefines PCI subvendor ID.
Mans Rullgard's patch cleans up the Kconfig help text of for the slcan
driver.
Oliver Hartkopp provides a patch to update the documentation, which
removes the ISO 15675-2 specification version where possible.
The next 2 patches are by Harini T and update the documentation of the
xilinx_can driver.
Francesco Valla provides documentation for the ISO 15765-2 protocol.
A patch by Dr. David Alan Gilbert removes an unused struct from the
mscan driver.
12 patches are by Martin Jocic. The first three add support for 3 new
devices to the kvaser_usb driver. The remaining 9 first clean up the
kvaser_pciefd driver, and then add support for MSI.
Krzysztof Kozlowski contributes 3 patches simplifies the CAN SPI
drivers by making use of spi_get_device_match_data().
The last patch is by Martin Hundebøll, which reworks the m_can driver
to not enable the CAN transceiver during probe.
* tag 'linux-can-next-for-6.11-20240621' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next: (24 commits)
can: m_can: don't enable transceiver when probing
can: mcp251xfd: simplify with spi_get_device_match_data()
can: mcp251x: simplify with spi_get_device_match_data()
can: hi311x: simplify with spi_get_device_match_data()
can: kvaser_pciefd: Add MSI interrupts
can: kvaser_pciefd: Move reset of DMA RX buffers to the end of the ISR
can: kvaser_pciefd: Change name of return code variable
can: kvaser_pciefd: Rename board_irq to pci_irq
can: kvaser_pciefd: Add unlikely
can: kvaser_pciefd: Add inline
can: kvaser_pciefd: Remove unnecessary comment
can: kvaser_pciefd: Skip redundant NULL pointer check in ISR
can: kvaser_pciefd: Group #defines together
can: kvaser_usb: Add support for Kvaser Mini PCIe 1xCAN
can: kvaser_usb: Add support for Kvaser USBcan Pro 5xCAN
can: kvaser_usb: Add support for Vining 800
can: mscan: remove unused struct 'mscan_state'
Documentation: networking: document ISO 15765-2
can: xilinx_can: Document driver description to list all supported IPs
can: isotp: remove ISO 15675-2 specification version where possible
...
====================
Link: https://patch.msgid.link/20240621080201.305471-1-mkl@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Share relocation implementation with the kernel. As part of this,
we also need the type/string iteration functions so also share
btf_iter.c file. Relocation code in kernel and userspace is identical
save for the impementation of the reparenting of split BTF to the
relocated base BTF and retrieval of the BTF header from "struct btf";
these small functions need separate user-space and kernel implementations
for the separate "struct btf"s they operate upon.
One other wrinkle on the kernel side is we have to map .BTF.ids in
modules as they were generated with the type ids used at BTF encoding
time. btf_relocate() optionally returns an array mapping from old BTF
ids to relocated ids, so we use that to fix up these references where
needed for kfuncs.
Signed-off-by: Alan Maguire <alan.maguire@oracle.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/bpf/20240620091733.1967885-5-alan.maguire@oracle.com
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...as this will allow split BTF modules with a base BTF
representation (rather than the full vmlinux BTF at time of
BTF encoding) to resolve their references to kernel types in a
way that is more resilient to small changes in kernel types.
This will allow modules that are not built every time the kernel
is to provide more resilient BTF, rather than have it invalidated
every time BTF ids for core kernel types change.
Fields are ordered to avoid holes in struct module.
Signed-off-by: Alan Maguire <alan.maguire@oracle.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Reviewed-by: Luis Chamberlain <mcgrof@kernel.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20240620091733.1967885-3-alan.maguire@oracle.com
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Two fixes: one in the ufs driver fixing an obvious memory leak and the
other (with a core flag based update) trying to prevent USB crashes by
stopping the core from issuing a request for the I/O Hints mode page"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: usb: uas: Do not query the IO Advice Hints Grouping mode page for USB/UAS devices
scsi: core: Introduce the BLIST_SKIP_IO_HINTS flag
scsi: ufs: core: Free memory allocated for model before reinit
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Expose the value of the software fuse to userspace.
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Connor Abbott <cwabbott0@gmail.com>
Patchwork: https://patchwork.freedesktop.org/patch/592044/
Signed-off-by: Rob Clark <robdclark@chromium.org>
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This will used by drm/msm to initialize GPU registers that Qualcomm's
firmware doesn't make writeable to the kernel.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Connor Abbott <cwabbott0@gmail.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Acked-by: Bjorn Andersson <andersson@kernel.org>
Patchwork: https://patchwork.freedesktop.org/patch/592039/
Signed-off-by: Rob Clark <robdclark@chromium.org>
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Correct spelling of DECLA[RA]TION
Suggested-by: Ramesh Thomas <ramesh.thomas@intel.com>
Signed-off-by: Gerd Bayer <gbayer@linux.ibm.com>
Link: https://lore.kernel.org/r/20240619115847.1344875-4-gbayer@linux.ibm.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Many PCI adapters can benefit or even require full 64bit read
and write access to their registers. In order to enable work on
user-space drivers for these devices add two new variations
vfio_pci_core_io{read|write}64 of the existing access methods
when the architecture supports 64-bit ioreads and iowrites.
Signed-off-by: Ben Segal <bpsegal@us.ibm.com>
Co-developed-by: Gerd Bayer <gbayer@linux.ibm.com>
Signed-off-by: Gerd Bayer <gbayer@linux.ibm.com>
Link: https://lore.kernel.org/r/20240619115847.1344875-3-gbayer@linux.ibm.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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The function returns the idle calls counter for the current cpu and
therefore usually isn't what the caller wants. It is unnused since
commit 466a2b42d676 ("cpufreq: schedutil: Use idle_calls counter of the
remote CPU")
Signed-off-by: Christian Loehle <christian.loehle@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240617161615.49309-1-christian.loehle@arm.com
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The RDMA transport defines values for TSAS, but it cannot be changed as
we only support the 'connected' mode.
So to avoid errors during reconfiguration we should allow to write the
current value.
Fixes: 3f123494db72 ("nvmet: make TCP sectype settable via configfs")
Signed-off-by: Hannes Reinecke <hare@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
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PRTYPE is the provider type, not the QP service type.
Fixes: eb793e2c9286 ("nvme.h: add NVMe over Fabrics definitions")
Signed-off-by: Hannes Reinecke <hare@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
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There is no need to conditionally define on CONFIG_BLK_DEV_ZONED the
inline helper functions bdev_nr_zones(), bdev_max_open_zones(),
bdev_max_active_zones() and disk_zone_no() as these function will return
the correct valu in all cases (zoned device or not, including when
CONFIG_BLK_DEV_ZONED is not set). Furthermore, disk_nr_zones()
definition can be simplified as disk->nr_zones is always 0 for regular
block devices.
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20240621031506.759397-4-dlemoal@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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There is no need for bdev_nr_zones() to be an exported function
calculating the number of zones of a block device. Instead, given that
all callers use this helper with a fully initialized block device that
has a gendisk, we can redefine this function as an inline helper in
blkdev.h.
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20240621031506.759397-3-dlemoal@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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The register MSR_TEMPERATURE_TARGET is not architectural. Its fields may be
defined differently for each processor model. TCC_OFFSET is an example of
such case.
Despite being specified as architectural, the registers IA32_[PACKAGE]_
THERM_STATUS have become model-specific: in recent processors, the
digital temperature readout uses bits [23:16] whereas the Intel Software
Developer's manual specifies bits [22:16].
Create an array of processor models and their bitmasks for TCC_OFFSET and
the digital temperature readout fields. Do not include recent processors.
Instead, use the bitmasks of these recent processors as default.
Use these model-specific bitmasks when reading TCC_OFFSET or the
temperature sensors.
Initialize a model-specific data structure during subsys_initcall() to
have it ready when thermal drivers are loaded.
Expose the new interface intel_tcc_get_offset_mask(). The
intel_tcc_cooling driver will use it.
Reviewed-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Ricardo Neri <ricardo.neri-calderon@linux.intel.com>
Link: https://patch.msgid.link/20240614211606.5896-2-ricardo.neri-calderon@linux.intel.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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We need some of the AMD fixes as a base for new work.
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Add nop variants of i2c_find_device_by_fwnode(),
i2c_find_adapter_by_fwnode() and i2c_get_adapter_by_fwnode() for use
without CONFIG_I2C.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
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'ib-mfd-leds-platform-6.11' into ibs-for-leds-merged
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This is similar to the existing led_colors[] array but is safer to use and
usable by everyone.
Getting string representations of color ids is useful for drivers
which are handling color IDs anyways, for example for the multicolor API.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20240613-cros_ec-led-v3-1-500b50f41e0f@weissschuh.net
Signed-off-by: Lee Jones <lee@kernel.org>
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Dmaengine topic
- New device_prep_peripheral_dma_vec, documentation and user
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This function can be used to initiate a scatter-gather DMA transfer,
where the address and size of each segment is located in one entry of
the dma_vec array.
The major difference with dmaengine_prep_slave_sg() is that it supports
specifying the lengths of each DMA transfer; as trying to override the
length of the transfer with dmaengine_prep_slave_sg() is a very tedious
process. The introduction of a new API function is also justified by the
fact that scatterlists are on their way out.
Note that dmaengine_prep_interleaved_dma() is not helpful either in that
case, as it assumes that the address of each segment will be higher than
the one of the previous segment, which we just cannot guarantee in case
of a scatter-gather transfer.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Co-developed-by: Nuno Sa <nuno.sa@analog.com>
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240620122726.41232-2-paul@crapouillou.net
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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drivers-for-6.11
Merge SMEM and SCM patches related to GPU features through a topic
branch to make it possible to share these with the msm-next DRM tree.
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Recent (SM8550+ ish) Qualcomm SoCs have a new mechanism for precisely
identifying the specific SKU and the precise speed bin (in the general
meaning of this word, anyway): a pair of values called Product Code
and Feature Code.
Based on this information, we can deduce the available frequencies for
things such as Adreno. In the case of Adreno specifically, Pcode is
useless for non-prototype SoCs.
Introduce a getter for the feature code and export it.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240605-topic-smem_speedbin-v2-2-8989d7e3d176@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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In preparation for parsing the chip "feature code" (FC) and "product
code" (PC) (essentially the parameters that let us conclusively
characterize the sillicon we're running on, including various speed
bins), move the socinfo version defines to the public header.
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240605-topic-smem_speedbin-v2-1-8989d7e3d176@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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This will used by drm/msm to initialize GPU registers that Qualcomm's
firmware doesn't make writeable to the kernel.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Connor Abbott <cwabbott0@gmail.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Acked-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20240430-a750-raytracing-v3-2-7f57c5ac082d@gmail.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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