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Currently, all Kconfig symbols for R-Car Gen4 SoCs select the
ARCH_RCAR_GEN3 SoC family symbol, which might confuse the casual reader.
Fix this by introducing a new SoC family symbol for R-Car Gen4 SoCs.
For now this just selects ARCH_RCAR_GEN3, to avoid duplication, and to
relax dependencies.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Link: https://lore.kernel.org/r/a283913ba7a39ec2dae0ebf9fc2b06096f009511.1706194617.git.geert+renesas@glider.be
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The MT8183 has another socinfo match, with the second cell only
differing by one bit. Add it to the driver.
Fixes: 423a54da3c7e ("soc: mediatek: mtk-socinfo: Add driver for getting chip information")
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Acked-by: William-tw Lin <william-tw.lin@mediatek.com>
Link: https://lore.kernel.org/r/20240130095656.3712469-3-wenst@chromium.org
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
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The mtk-socinfo grabs the NVMEM device devm_nvmem_device_get(), but then
proceeds to put the device directly with nvmem_device_put() if the read
is successful. If the device fails to probe and goes through the devres
release path, the device would be put a second time, triggering a
use-after-free error from KASAN.
Fix this by dropping the devres part. Since the NVMEM cell data is read
only once, there is no need to keep the reference around.
While at it, clean up the function to directly reference the NVMEM
device node and use that to find the NVMEM device, instead of finding it
by name, which is more fragile. The cell node is always a direct child
of the NVMEM device node, courtesy of the legacy NVMEM cell layout. Thus
of_get_child_by_name() is a better way of finding the cell. Last,
correctly put the device node once its use is over.
Fixes: 423a54da3c7e ("soc: mediatek: mtk-socinfo: Add driver for getting chip information")
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20240130095656.3712469-2-wenst@chromium.org
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
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In an entirely unrelated discussion where I pointed out a stupid thinko
of mine, Rasmus piped up and noted that that obvious mistake already
existed elsewhere in the kernel tree.
An "error pointer" is the negative error value encoded as a pointer,
making the whole "return error or valid pointer" use-case simple and
straightforward. We use it all over the kernel.
But the key here is that errors are _negative_ error numbers, not the
horrid UNIX user-level model of "-1 and the value of 'errno'".
The Apple mailbox driver used the positive error values, and thus just
returned invalid normal pointers instead of actual errors.
Of course, the reason nobody ever noticed is that the errors presumably
never actually happen, so this is fixing a conceptual bug rather than an
actual one.
Reported-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Link: https://lore.kernel.org/all/5c30afe0-f9fb-45d5-9333-dd914a1ea93a@prevas.dk/
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add driver for socinfo retrieval. This patch includes the following:
1. mtk-socinfo driver for chip info retrieval
2. Related changes to Makefile and Kconfig
Signed-off-by: William-tw Lin <william-tw.lin@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20231222080739.21706-3-william-tw.lin@mediatek.com
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
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It seems, the only actual mentions of PM2250 can be found are related to
the Qualcomm RB1 platform. However even RB1 schematics use PM4125 as a
PMIC name. Rename PM2250 to PM4125 to follow the documentation.
Fixes: 082f9bc60f33 ("soc: qcom: spmi-pmic: add more PMIC SUBTYPE IDs")
Fixes: 112d96fd2927 ("soc: qcom: socinfo: Add some PMICs")
Acked-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240128-pm2250-pm4125-rename-v2-1-d51987e9f83a@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Add tracepoint for tracing the messages being sent and the success
thereof. This is useful as the system has a variety of clients sending
requests to the always-on subsystem.
Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Reviewed-by: Chris Lew <quic_clew@quicinc.com>
Link: https://lore.kernel.org/r/20240123-qcom-aoss-tracepoints-v2-1-bd73baa31977@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Add SoC Info support for QCM8550 and QCS8550 platform.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Tengfei Fan <quic_tengfan@quicinc.com>
Link: https://lore.kernel.org/r/20240119100621.11788-4-quic_tengfan@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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In addition to the normal runtime commands, the Always On Processor
(AOP) provides a number of debug commands which can be used during
system debugging for things such as preventing power collapse or placing
floor votes for certain resources. Some of these are documented in the
Robotics RB5 "Debug AOP ADB" linked below.
Provide a debugfs interface for the developer/tester to send some of
these commands to the AOP, which allow the user to override the DDR
frequency, preventing power collapse of cx and ddr, and prevent AOSS
from going to sleep.
Link: https://docs.qualcomm.com/bundle/publicresource/topics/80-88500-3/85_Debugging_AOP_ADB.html
Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Reviewed-by: Chris Lew <quic_clew@quicinc.com>
Link: https://lore.kernel.org/r/20240117-qcom-aoss-debugfs-v2-v3-1-1aa779124822@quicinc.com
[bjorn: Dropped S_IWGRP from the debugfs files]
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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During an SSR(Sub-System Restart) process, the remoteproc driver will
try to read the crash reason from SMEM. The qcom_smem_get() backing such
operations does however take the hwspinlock (tcsr mutex), which might be
held by the dying remoteproc.
The associated timeout on the hwspin_lock_timeout_irqsave() would take
care of the system not hanging forever, but the get operation will fail,
unnecessarily delaying the process for the 'HWSPINLOCK_TIMEOUT' duration
(currently is '1s'), and finally resulting in failure to get crash
information from SMEM.
This timeout can be avoided by removing the hwspinlock in the
qcom_smem_get routine. SMEM ensures that the allocated item will only be
visible after the new item is safe to use by following a specific order
of updates.
In the private partition case, qcom_smem_get_private() will use
'offset_free_uncached' as a loop boundary when looking for existing
allocated items. The corresponding allocation will only update
offset_free_uncached once the item is fully initialized.
hdr->canary = SMEM_PRIVATE_CANARY;
hdr->item = cpu_to_le16(item);
hdr->size = cpu_to_le32(ALIGN(size, 8));
hdr->padding_data = cpu_to_le16(le32_to_cpu(hdr->size) - size);
hdr->padding_hdr = 0;
wmb();
le32_add_cpu(&phdr->offset_free_uncached, alloc_size);
The global partition is similar but uses the "entry->allocated" variable
to ensure the item is not visible to qcom_smem_get_global().
Signed-off-by: Tao Zhang <quic_taozhan@quicinc.com>
Reviewed-by: Chris Lew <quic_clew@quicinc.com>
Link: https://lore.kernel.org/r/20240102022512.999635-1-quic_taozhan@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Use the documented notation for nested struct members.
Add a Return: comment for qcom_smp2p_intr().
These changes prevent these kernel-doc warnings:
smp2p.c:78: warning: Excess struct member 'name' description in 'smp2p_smem_item'
smp2p.c:78: warning: Excess struct member 'value' description in 'smp2p_smem_item'
smp2p.c:280: warning: No description found for return value of 'qcom_smp2p_intr'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Bjorn Andersson <andersson@kernel.org>
Cc: Konrad Dybcio <konrad.dybcio@linaro.org>
Cc: linux-arm-msm@vger.kernel.org
Cc: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20240123053329.12893-1-rdunlap@infradead.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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As reported by lkp, qmp_send() would benefit from a __printf() marker to
allow the compiler to further validate the passed parameters, fix this.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202401100855.UYl3HPPt-lkp@intel.com/
Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240119-aoss-printf-annotation-v1-1-27e2ceb8937a@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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The symbol's prompt should be a one-line description, instead of just
duplicating the symbol name.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc and other driver updates from Greg KH:
"Here is the big set of char/misc and other driver subsystem changes
for 6.8-rc1.
Other than lots of binder driver changes (as you can see by the merge
conflicts) included in here are:
- lots of iio driver updates and additions
- spmi driver updates
- eeprom driver updates
- firmware driver updates
- ocxl driver updates
- mhi driver updates
- w1 driver updates
- nvmem driver updates
- coresight driver updates
- platform driver remove callback api changes
- tags.sh script updates
- bus_type constant marking cleanups
- lots of other small driver updates
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (341 commits)
android: removed duplicate linux/errno
uio: Fix use-after-free in uio_open
drivers: soc: xilinx: add check for platform
firmware: xilinx: Export function to use in other module
scripts/tags.sh: remove find_sources
scripts/tags.sh: use -n to test archinclude
scripts/tags.sh: add local annotation
scripts/tags.sh: use more portable -path instead of -wholename
scripts/tags.sh: Update comment (addition of gtags)
firmware: zynqmp: Convert to platform remove callback returning void
firmware: turris-mox-rwtm: Convert to platform remove callback returning void
firmware: stratix10-svc: Convert to platform remove callback returning void
firmware: stratix10-rsu: Convert to platform remove callback returning void
firmware: raspberrypi: Convert to platform remove callback returning void
firmware: qemu_fw_cfg: Convert to platform remove callback returning void
firmware: mtk-adsp-ipc: Convert to platform remove callback returning void
firmware: imx-dsp: Convert to platform remove callback returning void
firmware: coreboot_table: Convert to platform remove callback returning void
firmware: arm_scpi: Convert to platform remove callback returning void
firmware: arm_scmi: Convert to platform remove callback returning void
...
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Pull drm updates from Dave Airlie:
"This contains two major new drivers:
- imagination is a first driver for Imagination Technologies devices,
it only covers very specific devices, but there is hope to grow it
- xe is a reboot of the i915 GPU (shares display) side using a more
upstream focused development model, and trying to maximise code
sharing. It's not enabled for any hw by default, and will hopefully
get switched on for Intel's Lunarlake.
This also drops a bunch of the old UMS ioctls. It's been dead long
enough.
amdgpu has a bunch of new color management code that is being used in
the Steam Deck.
amdgpu also has a new ACPI WBRF interaction to help avoid radio
interference.
Otherwise it's the usual lots of changes in lots of places.
Detailed summary:
new drivers:
- imagination - new driver for Imagination Technologies GPU
- xe - new driver for Intel GPUs using core drm concepts
core:
- add CLOSE_FB ioctl
- remove old UMS ioctls
- increase max objects to accomodate AMD color mgmt
encoder:
- create per-encoder debugfs directory
edid:
- split out drm_eld
- SAD helpers
- drop edid_firmware module parameter
format-helper:
- cache format conversion buffers
sched:
- move from kthread to workqueue
- rename some internals
- implement dynamic job-flow control
gpuvm:
- provide more features to handle GEM objects
client:
- don't acquire module reference
displayport:
- add mst path property documentation
fdinfo:
- alignment fix
dma-buf:
- add fence timestamp helper
- add fence deadline support
bridge:
- transparent aux-bridge for DP/USB-C
- lt8912b: add suspend/resume support and power regulator support
panel:
- edp: AUO B116XTN02, BOE NT116WHM-N21,836X2, NV116WHM-N49
- chromebook panel support
- elida-kd35t133: rework pm
- powkiddy RK2023 panel
- himax-hx8394: drop prepare/unprepare and shutdown logic
- BOE BP101WX1-100, Powkiddy X55, Ampire AM8001280G
- Evervision VGG644804, SDC ATNA45AF01
- nv3052c: register docs, init sequence fixes, fascontek FS035VG158
- st7701: Anbernic RG-ARC support
- r63353 panel controller
- Ilitek ILI9805 panel controller
- AUO G156HAN04.0
simplefb:
- support memory regions
- support power domains
amdgpu:
- add new 64-bit sequence number infrastructure
- add AMD specific color management
- ACPI WBRF support for RF interference handling
- GPUVM updates
- RAS updates
- DCN 3.5 updates
- Rework PCIe link speed handling
- Document GPU reset types
- DMUB fixes
- eDP fixes
- NBIO 7.9/7.11 updates
- SubVP updates
- XGMI PCIe state dumping for aqua vanjaram
- GFX11 golden register updates
- enable tunnelling on high pri compute
amdkfd:
- Migrate TLB flushing logic to amdgpu
- Trap handler fixes
- Fix restore workers handling on suspend/resume
- Fix possible memory leak in pqm_uninit()
- support import/export of dma-bufs using GEM handles
radeon:
- fix possible overflows in command buffer checking
- check for errors in ring_lock
i915:
- reorg display code for reuse in xe driver
- fdinfo memory stats printing
- DP MST bandwidth mgmt improvements
- DP panel replay enabling
- MTL C20 phy state verification
- MTL DP DSC fractional bpp support
- Audio fastset support
- use dma_fence interfaces instead of i915_sw_fence
- Separate gem and display code
- AUX register macro refactoring
- Separate display module/device parameters
- Move display capabilities debugfs under display
- Makefile cleanups
- Register cleanups
- Move display lock inits under display/
- VLV/CHV DPIO PHY register and interface refactoring
- DSI VBT sequence refactoring
- C10/C20 PHY PLL hardware readout
- DPLL code cleanups
- Cleanup PXP plane protection checks
- Improve display debug msgs
- PSR selective fetch fixes/improvements
- DP MST fixes
- Xe2LPD FBC restrictions removed
- DGFX uses direct VBT pin mapping
- more MTL WAs
- fix MTL eDP bug
- eliminate use of kmap_atomic
habanalabs:
- sysfs entry to identify a device minor id with debugfs path
- sysfs entry to expose device module id
- add signed device info retrieval through INFO ioctl
- add Gaudi2C device support
- pcie reset prepare/done hooks
msm:
- Add support for SDM670, SM8650
- Handle the CFG interconnect to fix the obscure hangs / timeouts
- Kconfig fix for QMP dependency
- use managed allocators
- DPU: SDM670, SM8650 support
- DPU: Enable SmartDMA on SM8350 and SM8450
- DP: enable runtime PM support
- GPU: add metadata UAPI
- GPU: move devcoredumps to GPU device
- GPU: convert to drm_exec
ivpu:
- update FW API
- new debugfs file
- a new NOP job submission test mode
- improve suspend/resume
- PM improvements
- MMU PT optimizations
- firmware profile frequency support
- support for uncached buffers
- switch to gem shmem helpers
- replace kthread with threaded irqs
rockchip:
- rk3066_hdmi: convert to atomic
- vop2: support nv20 and nv30
- rk3588 support
mediatek:
- use devm_platform_ioremap_resource
- stop using iommu_present
- MT8188 VDOSYS1 display support
panfrost:
- PM improvements
- improve interrupt handling as poweroff
qaic:
- allow to run with single MSI
- support host/device time sync
- switch to persistent DRM devices
exynos:
- fix potential error pointer dereference
- fix wrong error checking
- add missing call to drm_atomic_helper_shutdown
omapdrm:
- dma-fence lockdep annotation fix
tidss:
- dma-fence lockdep annotation fix
- support for AM62A7
v3d:
- BCM2712 - rpi5 support
- fdinfo + gputop support
- uapi for CPU job handling
virtio-gpu:
- add context debug name"
* tag 'drm-next-2024-01-10' of git://anongit.freedesktop.org/drm/drm: (2340 commits)
drm/amd/display: Allow z8/z10 from driver
drm/amd/display: fix bandwidth validation failure on DCN 2.1
drm/amdgpu: apply the RV2 system aperture fix to RN/CZN as well
drm/amd/display: Move fixpt_from_s3132 to amdgpu_dm
drm/amd/display: Fix recent checkpatch errors in amdgpu_dm
Revert "drm/amdkfd: Relocate TBA/TMA to opposite side of VM hole"
drm/amd/display: avoid stringop-overflow warnings for dp_decide_lane_settings()
drm/amd/display: Fix power_helpers.c codestyle
drm/amd/display: Fix hdcp_log.h codestyle
drm/amd/display: Fix hdcp2_execution.c codestyle
drm/amd/display: Fix hdcp_psp.h codestyle
drm/amd/display: Fix freesync.c codestyle
drm/amd/display: Fix hdcp_psp.c codestyle
drm/amd/display: Fix hdcp1_execution.c codestyle
drm/amd/pm/smu7: fix a memleak in smu7_hwmgr_backend_init
drm/amdkfd: Fix iterator used outside loop in 'kfd_add_peer_prop()'
drm/amdgpu: Drop 'fence' check in 'to_amdgpu_amdkfd_fence()'
drm/amdkfd: Confirm list is non-empty before utilizing list_first_entry in kfd_topology.c
drm/amdgpu: Fix '*fw' from request_firmware() not released in 'amdgpu_ucode_request()'
drm/amdgpu: Fix variable 'mca_funcs' dereferenced before NULL check in 'amdgpu_mca_smu_get_mca_entry()'
...
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Pull ARM SoC code updates from Arnd Bergmann:
"There are two notable changes this time:
- add a arch/arm/Kconfig.platforms file to simplify the platforms
that have no code except their Kconfig file (Andrew Davis)
- remove support for the ARM11MPCore CPU in the versatile/realview
platform. Since this is the last remaining one after removing
ox820, some core code can go as well (Linus Walleij)
The other changes are minor cleanups and bugfixes"
* tag 'soc-arm-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
ARM: davinci: always select CONFIG_CPU_ARM926T
soc: pxa: ssp: fix casts
ARM: debug: fix DEBUG_UNCOMPRESS help for !MULTIPLATFORM
ARM: MAINTAINERS: drop empty entries for removed boards
ARM: Delete ARM11MPCore perf leftovers
ARM: mach-nspire: Rework support and directory structure
ARM: mach-sunplus: Rework support and directory structure
ARM: mach-airoha: Rework support and directory structure
ARM: mach-moxart: Move MOXA ART support into Kconfig.platforms
ARM: mach-uniphier: Move Socionext UniPhier support into Kconfig.platforms
ARM: mach-rda: Move RDA Micro support into Kconfig.platforms
ARM: mach-asm9260: Move ASM9260 support into Kconfig.platforms
ARM: Kconfig: move platform selection into its own Kconfig file
ARM: Delete ARM11MPCore (ARM11 ARMv6K SMP) support
MAINTAINERS: add Marvell MBus driver to Marvell EBU SoCs support
ARM: mxs: Do not search for "fsl,clkctrl"
ARM: imx: Use device_get_match_data()
MAINTAINERS: add omap bus drivers to OMAP2+ SUPPORT
ARM: at91: pm: set soc_pm.data.mode in at91_pm_secure_init()
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On ARM64 platforms, id->data is a 64-bit value and casting it to a
32-bit integer causes build errors. Cast it to uintptr_t instead.
The id->driver_data cast is unnecessary, so drop it.
Signed-off-by: Duje Mihanović <duje.mihanovic@skole.hr>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20240106-pxa-ssp-v2-1-69ac9f028bba@skole.hr
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Some error event IDs for Versal and Versal NET are different.
Both the platforms should access their respective error event
IDs so use sub_family_code to check for platform and check
error IDs for respective platforms. The family code is passed
via platform data to avoid platform detection again.
Platform data is setup when even driver is registered.
Signed-off-by: Jay Buddhabhatti <jay.buddhabhatti@amd.com>
Link: https://lore.kernel.org/r/20231219055025.27570-3-jay.buddhabhatti@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux into soc/drivers
RISC-V cache drivers for v6.8
The SiFive composable cache driver moves to the cache driver
subdirectory from the drivers/soc and grows support for non-coherent
cache operations. The immediate user for these is the jh7100 SoC, that
a rake of people have on VisionFive v1 or Beagle-V Starlight boards.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
* tag 'riscv-cache-for-v6.8' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux:
riscv: errata: Make ERRATA_STARFIVE_JH7100 depend on !DMA_DIRECT_REMAP
riscv: errata: Add StarFive JH7100 errata
soc: sifive: ccache: Add StarFive JH7100 support
dt-bindings: cache: sifive,ccache0: Add StarFive JH7100 compatible
soc: sifive: shunt ccache driver to drivers/cache
Link: https://lore.kernel.org/r/20231221-catatonic-monday-d4c61283b136@spud
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux into soc/drivers
RISC-V SoC drivers for v6.8
There's only one set of changes here, the addition of "Auto Update"
support for PolarFire SoC. Auto Update is one of the ways that the FPGA
bitstream can be updated, and the only one suitable for use from Linux
as it does not immediately initiate a reboot when started.
The driver was not accepted in the FPGA manager subsystem as the update
only occurs after a reboot and makes no use of the FPGA manager
framework.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
* tag 'riscv-soc-drivers-for-v6.8' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux:
MAINTAINERS: add auto-update driver to mpfs entry
firmware: microchip: Replace of_device.h with explicit include
firmware: microchip: add PolarFire SoC Auto Update support
soc: microchip: mpfs: add auto-update subdev to system controller
soc: microchip: mpfs: print service status in warning message
soc: microchip: mpfs: enable access to the system controller's flash
dt-bindings: soc: microchip: add a property for system controller flash
firmware_loader: Expand Firmware upload error codes with firmware invalid error
Link: https://lore.kernel.org/r/20231221-droop-unblock-81e4fe14acee@spud
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into soc/drivers
Samsung SoC driver changes for v6.8
1. Add support for Google GS101 SoC to different drivers: clock
controller, serial and watchdog.
The clock driver changes depend on few bindings headers, which I put
in a topic branch with the bindings refactoring and GS101 support,
therefore this this pull request includes that bindings topic branch.
The rest of the bindings topic branch is not necessary here, however
keeping everything together makes it easier to share between
branches. The bindings topic branch is mostly refactoring all the
compatibles to add SoC-specific compatible followed by fallback.
2. Exynos ChipID: recognize ExynosAutov920.
* tag 'samsung-drivers-6.8' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux: (40 commits)
dt-bindings: clock: google,gs101: rename CMU_TOP gate defines
watchdog: s3c2410_wdt: Add support for Google gs101 SoC
watchdog: s3c2410_wdt: Update QUIRK macros to use BIT macro
watchdog: s3c2410_wdt: Add support for WTCON register DBGACK_MASK bit
tty: serial: samsung: Add gs101 compatible and common fifoszdt_serial_drv_data
clk: samsung: clk-gs101: Add cmu_top, cmu_misc and cmu_apm support
clk: samsung: clk-pll: Add support for pll_{0516,0517,518}
dt-bindings: clock: google,gs101: fix incorrect numbering and DGB suffix
dt-bindings: soc: samsung: usi: add google,gs101-usi compatible
dt-bindings: serial: samsung: Make samsung,uart-fifosize a required property
dt-bindings: serial: samsung: Add google-gs101-uart compatible
dt-bindings: watchdog: Document Google gs101 watchdog bindings
dt-bindings: samsung: exynos-sysreg: combine exynosautov920 with other enum
dt-bindings: soc: google: exynos-sysreg: add dedicated SYSREG compatibles to GS101
dt-bindings: clock: Add Google gs101 clock management unit bindings
dt-bindings: soc: samsung: exynos-pmu: Add gs101 compatible
dt-bindings: watchdog: samsung: add specific compatible for Tesla FSD
dt-bindings: samsung: exynos-pmu: add specific compatible for Tesla FSD
dt-bindings: serial: samsung: add specific compatible for Tesla FSD
dt-bindings: pwm: samsung: add specific compatible for Tesla FSD
...
Link: https://lore.kernel.org/r/20231220084722.22149-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into soc/drivers
Qualcomm driver updates for v6.8
Support for SM8650 and X1E is added to the LLCC driver, the
LLCC_TRP_ATTR2_CFGn register stride is corrected, and a bug where for
each iteration looping over slices previous settings for dis_cap_alloc
and retain_on_pc are overwritten.
A quirk is introduced in UCSI, for implementations that does not handle
UCSI_GET_PDOS for non-PD partners. With this, USCI support is enabled by
default in pmic_glink. It is later reverted for SC8280XP due reported
errors.
A few memory leaks in error paths of qseecom are taken care of.
A small driver to expose the ADSP PDCharger ULOG debug log is
introduced, to aid debugging issues with pmic_glink.
The identiy of SM8650, PM8937 and a few DSPs are added to the Qualcomm
socinfo driver.
The Qualcomm sleep stats driver is extended to allow getting detailed
statistics about usage of various DDR states. Unfortunately this ABI
does not seem to be stable across platforms, so this addition is dropped
again while the reported problems are investigated further.
Andy is moved from MAINTAINERS to CREDITS. Thank you, Andy.
* tag 'qcom-drivers-for-6.8' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (34 commits)
soc: qcom: llcc: Fix LLCC_TRP_ATTR2_CFGn offset
firmware: qcom: qseecom: fix memory leaks in error paths
soc: qcom: llcc: Fix typo in kernel-doc
dt-bindings: soc: qcom,aoss-qmp: document the X1E80100 Always-On Subsystem side channel
MAINTAINERS: qcom: move Andy Gross to credits
soc: qcom: pmic_glink: drop stray semicolons
soc: qcom: pmic_glink: disable UCSI on sc8280xp
soc: qcom: llcc: Fix dis_cap_alloc and retain_on_pc configuration
soc: qcom: pmic_pdcharger_ulog: Fix hypothetical ulog request message endianess
soc: qcom: pmic_pdcharger_ulog: Move TRACE_SYSTEM out of #if protection
soc: qcom: pmic_pdcharger_ulog: Search current directory for headers
soc: qcom: socinfo: Add few DSPs to get their image details
soc: qcom: llcc: Add missing description for members in slice config
Revert "soc: qcom: stats: Add DDR sleep stats"
dt-bindings: firmware: qcom,scm: Allow interconnect for everyone
dt-bindings: firmware: qcom,scm: document SCM on X1E80100 SoCs
soc: qcom: socinfo: Add PM8937 Power IC
soc: qcom: llcc: Add configuration data for X1E80100
dt-bindings: cache: qcom,llcc: Add X1E80100 compatible
soc: qcom: pmic_glink_altmode: fix port sanity check
...
Link: https://lore.kernel.org/r/20231219041855.732578-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://git.kernel.org/pub/scm/linux/kernel/git/ti/linux into soc/drivers
TI SoC driver updates for v6.8
- ti_sci: Minor fixup for off by one error in debugfs_create
- k3-socinfo: Refactoring and add j721e detection, j722s
* tag 'ti-driver-soc-for-v6.8' of https://git.kernel.org/pub/scm/linux/kernel/git/ti/linux:
soc: ti: k3-socinfo: Add JTAG ID for J722S
soc: ti: k3-socinfo: Revamp driver to accommodate different rev structs
firmware: ti_sci: Fix an off-by-one in ti_sci_debugfs_create()
Link: https://lore.kernel.org/r/20231218153043.r5psxbjjpccusjg4@september
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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soc/drivers
arm64: ZynqMP SoC changes for 6.8
power driver:
- Move to remove_new hook
- Report error around unsupported callback
- Fix long messages
event driver:
- Fix cpu_id handling
- Fix warning message
* tag 'zynqmp-soc-for-6.8' of https://github.com/Xilinx/linux-xlnx:
soc: xilinx: Add error message for invalid payload received from IPI callback.
soc: xilinx: fix unhandled SGI warning message
soc: xilinx: fix quoted string split across lines
soc: xilinx: Fix for call trace due to the usage of smp_processor_id()
soc/xilinx: zynqmp_power: Convert to platform remove callback returning void
Link: https://lore.kernel.org/r/CAHTX3dJ=6y=vEgmH7Qqe=6TJZT=D-egKDmLLER4fS0=OHJRGZA@mail.gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into soc/drivers
Renesas driver updates for v6.8
- Remove duplicate setup of soc_device_attribute.family,
- Make RZ/Five depend on !DMA_DIRECT_REMAP.
* tag 'renesas-drivers-for-v6.8-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
soc: renesas: Make RZ/Five depend on !DMA_DIRECT_REMAP
soc: renesas: Remove duplicate setup of soc_device_attribute.family
Link: https://lore.kernel.org/r/cover.1702642340.git.geert+renesas@glider.be
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://git.kernel.org/pub/scm/linux/kernel/git/mediatek/linux into soc/drivers
MediaTek soc driver updates for v6.8
This adds a refactoring of the MediaTek Smart Voltage Scaling (SVS)
driver and the addition of support for MT8186 and MT8195 in it, and
adds support for the MT8188 VDOSYS and resets in the MMSYS driver.
* tag 'mtk-soc-for-v6.8' of https://git.kernel.org/pub/scm/linux/kernel/git/mediatek/linux: (24 commits)
soc: mediatek: mtk-svs: Constify runtime-immutable members of svs_bank
soc: mediatek: mtk-svs: Use ULONG_MAX to compare floor frequency
soc: mediatek: mtk-svs: Check if SVS mode is available in the beginning
soc: mediatek: mtk-svs: Cleanup of svs_probe() function
soc: mediatek: mtk-svs: Compress of_device_id entries
soc: mediatek: mtk-svs: Remove redundant print in svs_get_efuse_data
soc: mediatek: mtk-svs: Commonize MT8192 probe function for MT8186
soc: mediatek: mtk-svs: Drop supplementary svs per-bank pointer
soc: mediatek: mtk-svs: Commonize efuse parse function for most SoCs
soc: mediatek: mtk-svs: Move t-calibration-data retrieval to svs_probe()
soc: mediatek: mtk-svs: Add SVS-Thermal coefficient to SoC platform data
soc: mediatek: mtk-svs: Add a map to retrieve fused values
soc: mediatek: mtk-svs: Change the thermal sensor device name
soc: mediatek: mtk-svs: Reduce memory footprint of struct svs_bank
soc: mediatek: mtk-svs: Build bank name string dynamically
soc: mediatek: mtk-svs: Convert sw_id and type to enumerations
soc: mediatek: mtk-svs: Subtract offset from regs_v2 to avoid conflict
soc: mediatek: Add MT8188 VDOSYS reset bit map
soc: mediatek: Support reset bit mapping in mmsys driver
soc: mediatek: Support MT8188 VDOSYS1 Padding in mtk-mmsys
...
Link: https://lore.kernel.org/r/20231212114515.121695-2-angelogioacchino.delregno@collabora.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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soc/drivers
PowerQUICC QMC and TSA drivers updates for v6.8
This pull request contains updates to prepare the support for the QMC
HDLC driver.
- Perform some fixes
- Add support for child devices
- Add QMC dynamic timeslot support
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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into soc/drivers
HiSilicon driver updates for v6.8
- Add support for the platform with PCC type3 and interrupt ack
- Few cleanups and improvements: correct the format of some strings and domain typo,
add failure log
* tag 'hisi-drivers-for-6.8' of https://github.com/hisilicon/linux-hisi:
soc: hisilicon: kunpeng_hccs: Support the platform with PCC type3 and interrupt ack
doc: kunpeng_hccs: Fix incorrect email domain name
soc: hisilicon: kunpeng_hccs: Remove an unused blank line
soc: hisilicon: kunpeng_hccs: Add failure log for no _CRS method
soc: hisilicon: kunpeng_hccs: Fix some incorrect format strings
Link: https://lore.kernel.org/r/6572C41B.6050703@hisilicon.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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According to documentation, it has increments of 4, not 8.
Fixes: c72ca343f911 ("soc: qcom: llcc: Add v4.1 HW version support")
Reported-by: Unnathi Chalicheemala <quic_uchalich@quicinc.com>
Reviewed-by: Satya Durga Srinivasu Prabhala <quic_satyap@quicinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20231012160509.184891-1-abel.vesa@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Fixed spelling of "descriptor".
Signed-off-by: Ghanshyam Agrawal <ghanshyam1898@gmail.com>
Link: https://lore.kernel.org/r/20231215070707.560350-1-ghanshyam1898@gmail.com
[bjorn: Rewrote commit message]
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Drop stray semicolons after function definitions to avoid having this be
reproduced elsewhere.
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20231208125827.10363-1-johan+linaro@kernel.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Enabling UCSI on sc8280xp and the Lenovo ThinkPad X13s in particular
results in a number of errors and timeouts during boot:
[ 9.012421] ucsi_glink.pmic_glink_ucsi pmic_glink.ucsi.0: GET_CONNECTOR_STATUS failed (-95)
[ 14.047379] ucsi_glink.pmic_glink_ucsi pmic_glink.ucsi.0: timeout waiting for UCSI sync write response
[ 14.050708] ucsi_glink.pmic_glink_ucsi pmic_glink.ucsi.0: GET_CONNECTOR_STATUS failed (-110)
[ 20.192382] ucsi_glink.pmic_glink_ucsi pmic_glink.ucsi.0: timeout waiting for UCSI sync write response
[ 20.192542] ucsi_glink.pmic_glink_ucsi pmic_glink.ucsi.0: GET_CONNECTOR_STATUS failed (-110)
Disable UCSI on sc8280xp until this has been resolved.
Fixes: 4db09e7b967b ("soc: qcom: pmic_glink: enable UCSI by default)
Link: https://lore.kernel.org/r/ZXL5jvDHr-MuxMoz@hovoldconsulting.com
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20231208125730.10323-1-johan+linaro@kernel.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Commit c14e64b46944 ("soc: qcom: llcc: Support chipsets that can
write to llcc") add the support for chipset where capacity based
allocation and retention through power collapse can be programmed
based on content of SCT table mentioned in the llcc driver where
the target like sdm845 where the entire programming related to it
is controlled in firmware. However, the commit introduces a bug
where capacity/retention register get overwritten each time it
gets programmed for each slice and that results in misconfiguration
of the register based on SCT table and that is not expected
behaviour instead it should be read modify write to retain the
configuration of other slices.
This issue is totally caught from code review and programming test
and not through any power/perf numbers so, it is not known what
impact this could make if we don't have this change however,
this feature are for these targets and they should have been
programmed accordingly as per their configuration mentioned in
SCT table like others bits information.
This change brings one difference where it keeps capacity/retention
bits of the slices that are not mentioned in SCT table in unknown
state where as earlier it was initialized to zero.
Fixes: c14e64b46944 ("soc: qcom: llcc: Support chipsets that can write to llcc")
Signed-off-by: Atul Dhudase <quic_adhudase@quicinc.com>
Signed-off-by: Mukesh Ojha <quic_mojha@quicinc.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/1701876771-10695-1-git-send-email-quic_mojha@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Sparse reports the following:
% ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- make C=2 W=1 drivers/soc/qcom/pmic_pdcharger_ulog.o
...
CC drivers/soc/qcom/pmic_pdcharger_ulog.o
CHECK drivers/soc/qcom/pmic_pdcharger_ulog.c
drivers/soc/qcom/pmic_pdcharger_ulog.c:57:34: warning: incorrect type in initializer (different base types)
drivers/soc/qcom/pmic_pdcharger_ulog.c:57:34: expected restricted __le32 [usertype] owner
drivers/soc/qcom/pmic_pdcharger_ulog.c:57:34: got int
drivers/soc/qcom/pmic_pdcharger_ulog.c:58:33: warning: incorrect type in initializer (different base types)
drivers/soc/qcom/pmic_pdcharger_ulog.c:58:33: expected restricted __le32 [usertype] type
drivers/soc/qcom/pmic_pdcharger_ulog.c:58:33: got int
drivers/soc/qcom/pmic_pdcharger_ulog.c:59:35: warning: incorrect type in initializer (different base types)
drivers/soc/qcom/pmic_pdcharger_ulog.c:59:35: expected restricted __le32 [usertype] opcode
drivers/soc/qcom/pmic_pdcharger_ulog.c:59:35: got int
Let's deal with endianness conversion in the rare case this ever runs
on a big-endian machine (and to quiet down sparse for this file).
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202312060355.M0eJtq4X-lkp@intel.com/
Fixes: 086fdb48bc65 ("soc: qcom: add ADSP PDCharger ULOG driver")
Signed-off-by: Andrew Halaney <ahalaney@redhat.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20231205-pmicpdcharger-ulog-fixups-v1-3-71c95162cb84@redhat.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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As specified in samples/trace_events/trace-events-sample.h:
* Notice that TRACE_SYSTEM should be defined outside of #if
* protection, just like TRACE_INCLUDE_FILE.
Fixes: 086fdb48bc65 ("soc: qcom: add ADSP PDCharger ULOG driver")
Signed-off-by: Andrew Halaney <ahalaney@redhat.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20231205-pmicpdcharger-ulog-fixups-v1-2-71c95162cb84@redhat.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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As specified in samples/trace_events/Makefile:
If you include a trace header outside of include/trace/events
then the file that does the #define CREATE_TRACE_POINTS must
have that tracer file in its main search path. This is because
define_trace.h will include it, and must be able to find it from
the include/trace directory.
Without this the following compilation error is seen:
CC drivers/soc/qcom/pmic_pdcharger_ulog.o
In file included from drivers/soc/qcom/pmic_pdcharger_ulog.h:36,
from drivers/soc/qcom/pmic_pdcharger_ulog.c:15:
./include/trace/define_trace.h:95:42: fatal error: ./pmic_pdcharger_ulog.h: No such file or directory
95 | #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
| ^
compilation terminated.
Fixes: 086fdb48bc65 ("soc: qcom: add ADSP PDCharger ULOG driver")
Signed-off-by: Andrew Halaney <ahalaney@redhat.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20231205-pmicpdcharger-ulog-fixups-v1-1-71c95162cb84@redhat.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Add support to get image details from SMEM for DSPs like
DSPS (Sensors DSP), CDSP (Compute DSP), GPDSP (General purpose DSP)
while also supporting this for more than one DSP of certain types.
Signed-off-by: Naman Jain <quic_namajain@quicinc.com>
Link: https://lore.kernel.org/r/20231205101018.6079-1-quic_namajain@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Fix all warnings thrown due to missing description for some of the
members in llcc_slice_config.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202312050519.mup4Q8mD-lkp@intel.com/
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20231205-llcc-fix-slice-config-warnings-v1-1-d6331d601dd3@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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After recent reports ([1], [2]) of older platforms (particularly 8150 and
7180) breaking after DDR sleep stats introduction, revert the following:
Commit 73380e2573c3 ("soc: qcom: stats: fix 64-bit division")
Commit e84e61bdb97c ("soc: qcom: stats: Add DDR sleep stats")
The feature itself is rather useful for debugging DRAM power management,
however it looks like the shared RPMh stats data structures differ on
previous SoCs.
Revert its addition for now to un-break booting on these earlier SoCs,
while I try to come up with a better way to enable it conditionally.
[1] https://lore.kernel.org/linux-arm-msm/20231209215601.3543895-2-dmitry.baryshkov@linaro.org/
[2] https://lore.kernel.org/linux-arm-msm/CAD=FV=XX4wLg1NNVL15RK4D4tLvuSzZyUv=k_tS4bSb3=7QJzQ@mail.gmail.com/
Reported-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reported-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Tested-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20231214-topic-undo_ddr_stats-v1-1-1fe32c258e56@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Randy reported yet another build issue with randconfigs on rv32:
WARNING: unmet direct dependencies detected for DMA_GLOBAL_POOL
Depends on [n]: !ARCH_HAS_DMA_SET_UNCACHED [=n] && !DMA_DIRECT_REMAP [=y]
Selected by [y]:
- ARCH_R9A07G043 [=y] && SOC_RENESAS [=y] && RISCV [=y] && NONPORTABLE [=y] && RISCV_ALTERNATIVE [=y] && !RISCV_ISA_ZICBOM [=n] && RISCV_SBI [=y]
This happens when DMA_DIRECT_REMAP is selected by the T-Head CMO erratum
option and DMA_GLOBAL_POOL is selected by the Andes CMO erratum. Block
selecting the RZ/Five config option, and by extension DMA_GLOBAL_POOL,
if DMA_DIRECT_REMAP has already been enabled.
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Closes: https://lore.kernel.org/all/24942b4d-d16a-463f-b39a-f9dfcb89d742@infradead.org/
Tested-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20231211-primate-arbitrate-fbcd307a0b00@spud
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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As of commit 3f84aa5ec052dba9 ("base: soc: populate machine name in
soc_device_register if empty") in v6.4, soc_device_register() fills in
soc_device_attribute.family when it is still empty. Hence the identical
code in renesas_soc_init() doing the same can be removed.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/4c5e4d0d1819028466748ed684254fec41aae816.1701696627.git.geert+renesas@glider.be
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payload[0] of response buffer of zynqmp_pm_get_callback_data()
contains valid payload or error code in case of error.
Added error message to inform user about the error code received in
payload[0].
Signed-off-by: Naman Trivedi Manojbhai <naman.trivedimanojbhai@amd.com>
Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/85749bde3e71148533d31ea2092f4514ec347768.1701962639.git.michal.simek@amd.com
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Add JTAG ID info for the J722S SoC family to enable SoC detection.
More details about this SoC can be found in the TRM:
https://www.ti.com/lit/zip/sprujb3
Signed-off-by: Vaishnav Achath <vaishnav.a@ti.com>
Reviewed-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20231211132600.25289-1-vaishnav.a@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>
|
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Introduce qmc_chan_{get,set}_ts_info() function to allow timeslots
modification at runtime.
The modification is provided using qmc_chan_set_ts_info() and will be
applied on next qmc_chan_start().
qmc_chan_set_ts_info() must be called with the channel rx and/or tx
stopped.
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Link: https://lore.kernel.org/r/20231205152116.122512-18-herve.codina@bootlin.com
|
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Timeslots setting is done at channel start() and stop().
There is no more need to do that during setup_chan().
Simply remove timeslot setting from setup_chan().
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Link: https://lore.kernel.org/r/20231205152116.122512-17-herve.codina@bootlin.com
|
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In order to support runtime timeslot route changes, enable the
channel timeslot entries at channel start() and disable them at
channel stop().
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Link: https://lore.kernel.org/r/20231205152116.122512-16-herve.codina@bootlin.com
|
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In order to support runtime timeslot route changes, some operations will
be different according the routing table used (common Rx and Tx table or
one table for Rx and one for Tx).
The is_tsa_64rxtx flag is introduced to avoid extra computation to
determine the table format each time we need it.
It is set once at initialization.
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Link: https://lore.kernel.org/r/20231205152116.122512-15-herve.codina@bootlin.com
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The Tx and Rx entries for a given channel are set in one function.
In order to modify Rx entries and Tx entries independently of one other,
split this function in one for the Rx part and one for the Tx part.
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Link: https://lore.kernel.org/r/20231205152116.122512-14-herve.codina@bootlin.com
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In order to allow runtime timeslot route changes, disabling channel TSA
entries needs to be supported.
Add support for this new feature.
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Link: https://lore.kernel.org/r/20231205152116.122512-13-herve.codina@bootlin.com
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The timeslots checked in qmc_check_chans() are the timeslots used.
With the introduction of the available timeslots, the used timeslots
are a subset of the available timeslots. The timeslots checked during
the qmc_check_chans() call should be the available ones.
Simply update and check the available timeslots instead of the used
timeslots in qmc_check_chans().
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Link: https://lore.kernel.org/r/20231205152116.122512-12-herve.codina@bootlin.com
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