Add support for the APDMA IP found in all of the SoC generations
that are currently supported upstream; this includes:
- MT8173, MT8183, fully compatible with MT6577 (32-bits)
- MT7988, MT8186, MT8188, MT8192, MT8195 and MT6835 (34-bits)
- MT6991, MT8196 and MT6985 (35-bits)
...where:
- MT6835 is the first SoC where the AP_DMA IP supports 34-bits
addressing; and
- MT6985 is the first SoC where the AP_DMA IP supports 35-bits
addressing.
While at it, also add myself in the maintainers list.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20251113122229.23998-4-angelogioacchino.delregno@collabora.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
While this property wants to express a capability of the hardware,
this is only used by the driver itself to vary the DMA bits during
probe.
Different hardware shall instead have different compatible strings.
Following the driver cleanup and the introduction of a specific
compatible string for the APDMA IP version found in MT6795, set
the "mediatek,dma-33bits" vendor property as deprecated.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20251113122229.23998-3-angelogioacchino.delregno@collabora.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
While it is true that this SoC is compatible with the MT6577 APDMA
IP, that is valid only when the IP is used in 32-bits addressing
mode, and, by the way there is no good reason to do so.
Since the APDMA IP in MT6795 supports 33 bits addressing, this
means that it is a newer revision compared to the one found in
MT6577, hence only partially compatible with it.
Allow nodes to specify "mediatek,mt6795-uart-dma" as their only
compatible in the case of MT6795; this is done in lieu of the fact
that there are other SoCs integrating the same version of this IP
as MT6795, and those will eventually get their own compatible that
expresses full compatibility with this SoC.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20251113122229.23998-2-angelogioacchino.delregno@collabora.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
m2m_hw_period is initialized only when chan_config->m2m_hw is true. This
triggers a warning:
‘m2m_hw_period’ may be used uninitialized [-Wmaybe-uninitialized]
Although m2m_hw_period is only used when chan_config->m2m_hw is true and
ignored otherwise, initialize it unconditionally to 0.
ccr is initialized by stm32_mdma_set_xfer_param() when the sg list is not
empty. This triggers a warning:
‘ccr’ may be used uninitialized [-Wmaybe-uninitialized]
Indeed, it could be used uninitialized if the sg list is empty. Initialize
it to 0.
Signed-off-by: Clément Le Goffic <clement.legoffic@foss.st.com>
Reviewed-by: Clément Le Goffic <legoffic.clement@gmail.com>
Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Link: https://patch.msgid.link/20251217-mdma_warnings_fix-v2-1-340200e0bb55@foss.st.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
AXIDMA IP supports reporting the amount of bytes transferred on the S2MM
channel in direct mode (i.e. non-SG), but the driver does not. Thus the
driver always reports that all of the buffer was filled.
Add xilinx_dma_get_residue_axidma_direct_s2mm() which gets the residue
amount for direct AXIDMA for S2MM direction.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Suraj Gupta <suraj.gupta2@amd.com>
Link: https://patch.msgid.link/20251218-xilinx-dma-residue-fix-v1-1-7cd221d69d6b@ideasonboard.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The driver already has debug messages for memcpy and linear transfers,
but is missing them for cyclic transfers.
Cyclic transfers are one of the main uses of the DMA controller, used
for audio data transfers. And since these are likely the first DMA
peripherals to be enabled, it helps to have these debug messages.
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Chen-Yu Tsai <wens@kernel.org>
Link: https://patch.msgid.link/20251221064754.1783369-1-wens@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
maxburst, as provided by the client, specifies the largest amount of
data that is allowed to be transferred in one burst. This limit is
normally provided to avoid a data burst overflowing the target FIFO.
It does not mean that the DMA engine can only do bursts in that size.
Let the driver pick the largest supported burst length within the
given limit. This lets the driver work correctly with some clients that
give a large maxburst value. In particular, the 8250_dw driver will give
a quarter of the UART's FIFO size as maxburst. On some systems the FIFO
size is 256 bytes, giving a maxburst of 64 bytes, while the hardware
only supports bursts of up to 16 bytes.
Signed-off-by: Chen-Yu Tsai <wens@kernel.org>
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://patch.msgid.link/20251221080450.1813479-1-wens@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Using libc types and headers from the UAPI headers is problematic as it
introduces a dependency on a full C toolchain.
Use the fixed-width integer types provided by the UAPI headers instead.
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://patch.msgid.link/20251222-uapi-idxd-v1-1-baa183adb20d@linutronix.de
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Clobbering an error value to be returned from shdma_tx_submit() with
a pm_runtime_put() return value is not particularly useful, especially
if the latter is 0, so stop doing that.
This will facilitate a planned change of the pm_runtime_put() return
type to void in the future.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://patch.msgid.link/9626129.rMLUfLXkoz@rafael.j.wysocki
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Fix kernel-doc comments in include/linux/shdma-base.h to avoid
most warnings:
- prefix an enum name with "enum"
- prefix enum values with '@'
- prefix struct member names with '@'
shdma-base.h:28: warning: cannot understand function prototype:
'enum shdma_pm_state '
Warning: shdma-base.h:103 struct member 'desc_completed' not described
in 'shdma_ops'
Warning: shdma-base.h:103 struct member 'halt_channel' not described
in 'shdma_ops'
Warning: shdma-base.h:103 struct member 'channel_busy' not described
in 'shdma_ops'
Warning: shdma-base.h:103 struct member 'slave_addr' not described
in 'shdma_ops'
Warning: shdma-base.h:103 struct member 'desc_setup' not described
in 'shdma_ops'
Warning: shdma-base.h:103 struct member 'set_slave' not described
in 'shdma_ops'
Warning: shdma-base.h:103 struct member 'setup_xfer' not described
in 'shdma_ops'
Warning: shdma-base.h:103 struct member 'start_xfer' not described
in 'shdma_ops'
Warning: shdma-base.h:103 struct member 'embedded_desc' not described
in 'shdma_ops'
Warning: shdma-base.h:103 struct member 'chan_irq' not described
in 'shdma_ops'
This one is not fixed: from 4f46f8ac80:
Warning: shdma-base.h:103 struct member 'get_partial' not described
in 'shdma_ops'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://patch.msgid.link/20251104002001.445297-1-rdunlap@infradead.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Use the correct enum name in its kernel-doc heading.
Add ending ':' to struct member names.
Drop the @id: kernel-doc entry since there is no struct member named 'id'.
edma.h:46: warning: expecting prototype for struct dw_edma_core_ops.
Prototype was for struct dw_edma_plat_ops instead
Warning: edma.h:101 struct member 'ops' not described in 'dw_edma_chip'
Warning: edma.h:101 struct member 'flags' not described in 'dw_edma_chip'
Warning: edma.h:101 struct member 'reg_base' not described
in 'dw_edma_chip'
Warning: edma.h:101 struct member 'll_wr_cnt' not described
in 'dw_edma_chip'
Warning: edma.h:101 struct member 'll_rd_cnt' not described
in 'dw_edma_chip'
Warning: edma.h:101 struct member 'll_region_wr' not described
in 'dw_edma_chip'
Warning: edma.h:101 struct member 'll_region_rd' not described
in 'dw_edma_chip'
Warning: edma.h:101 struct member 'dt_region_wr' not described
in 'dw_edma_chip'
Warning: edma.h:101 struct member 'dt_region_rd' not described
in 'dw_edma_chip'
Warning: edma.h:101 struct member 'mf' not described in 'dw_edma_chip'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://patch.msgid.link/20251101191524.1991135-1-rdunlap@infradead.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
pm_runtime_put_autosuspend(), pm_runtime_put_sync_autosuspend(),
pm_runtime_autosuspend() and pm_request_autosuspend() now include a call
to pm_runtime_mark_last_busy(). Remove the now-reduntant explicit call to
pm_runtime_mark_last_busy().
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Abin Joseph <abin.joseph@amd.com>
Link: https://patch.msgid.link/20251027133232.392898-6-sakari.ailus@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
pm_runtime_put_autosuspend(), pm_runtime_put_sync_autosuspend(),
pm_runtime_autosuspend() and pm_request_autosuspend() now include a call
to pm_runtime_mark_last_busy(). Remove the now-reduntant explicit call to
pm_runtime_mark_last_busy().
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Link: https://patch.msgid.link/20251027133232.392898-5-sakari.ailus@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
pm_runtime_put_autosuspend(), pm_runtime_put_sync_autosuspend(),
pm_runtime_autosuspend() and pm_request_autosuspend() now include a call
to pm_runtime_mark_last_busy(). Remove the now-reduntant explicit call to
pm_runtime_mark_last_busy().
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patch.msgid.link/20251027133232.392898-4-sakari.ailus@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
pm_runtime_put_autosuspend(), pm_runtime_put_sync_autosuspend(),
pm_runtime_autosuspend() and pm_request_autosuspend() now include a call
to pm_runtime_mark_last_busy(). Remove the now-reduntant explicit call to
pm_runtime_mark_last_busy().
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Link: https://patch.msgid.link/20251027133232.392898-2-sakari.ailus@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
pm_runtime_put_autosuspend(), pm_runtime_put_sync_autosuspend(),
pm_runtime_autosuspend() and pm_request_autosuspend() now include a call
to pm_runtime_mark_last_busy(). Remove the now-reduntant explicit call to
pm_runtime_mark_last_busy().
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Link: https://patch.msgid.link/20251027133232.392898-1-sakari.ailus@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
There does not seem to be anything preventing the K3 UDMA drivers from
being compile tested (on arm64 as one dependency depends on ARM64) so
enable compile testing for wider build coverage.
Note that the ring accelerator dependency can only be selected when
"TI SOC drivers support" (SOC_TI) is enabled so select that option too.
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://patch.msgid.link/20251117161851.11242-1-johan@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The purpose of this helper is to 'standardize' device pointer retrieval,
similar to the chan2dev() helper.
ddata2dev() helper returns the device pointer from struct dma_device stored
in stm32_dma3_ddata structure.
Device pointer from struct dma_device has been initialized with &pdev->dev,
so the ddata2dev helper returns &pdev->dev.
Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Link: https://patch.msgid.link/20251121-dma3_improv-v2-4-76a207b13ea6@foss.st.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Depending on the power state reached during suspend, the CxSEMCR register
could have been reset, and the semaphore released.
On resume, try to take the semaphore again. If the semaphore cannot be
taken, an error log displaying the channel number and channel user is
generated.
This requires introducing two new functions:
stm32_dma3_pm_suspend(), where the status of each channel is checked
because suspension is not allowed if a channel is still running;
stm32_dma3_pm_resume(), where the channel semaphore is restored if it was
taken before suspend.
Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Link: https://patch.msgid.link/20251121-dma3_improv-v2-3-76a207b13ea6@foss.st.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Before restoring semaphore status after suspend, introduce new functions
to handle semaphore operations :
- stm32_dma3_get_chan_sem() to take the semaphore
- stm32_dma3_put_chan_sem() to release the semaphore
Also, use a new boolean variable semaphore_taken, which is true when the
semaphore has been taken and false when it has been released.
Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Link: https://patch.msgid.link/20251121-dma3_improv-v2-2-76a207b13ea6@foss.st.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Without module_platform_driver(), stm32-dma3 doesn't have a
module_exit procedure. Once stm32-dma3 module is inserted, it
can't be removed, marked busy.
Use module_platform_driver() instead of subsys_initcall() to register
(insmod) and unregister (rmmod) stm32-dma3 driver.
Reviewed-by: Eugen Hristev <eugen.hristev@linaro.org>
Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Link: https://patch.msgid.link/20251121-dma3_improv-v2-1-76a207b13ea6@foss.st.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
"Accound" is an archaic spelling variant of "account". It had completely
fallen out of formal use as early as the 17th century, when the spelling
of Modern English became standardized. Here, it is corrected to "account"
to enhance comprehension.
Signed-off-by: Chu Guangqing <chuguangqing@inspur.com>
Link: https://patch.msgid.link/20251125015734.1572-1-chuguangqing@inspur.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Describe the need to initialize the phys field in the dma_async_tx_descriptor
structure during its initialization.
Signed-off-by: Bhanu Seshu Kumar Valluri <bhanuseshukumar@gmail.com>
Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
Link: https://patch.msgid.link/20251113064937.8735-1-bhanuseshukumar@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Document the DMA controller on the Renesas RZ/V2N SoC, which is
architecturally identical to the DMAC found on the RZ/V2H(P) SoC.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20251125212621.267397-1-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
For easier maintenance and better readability order all includes
alphabetically.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://patch.msgid.link/20251106-qcom-bam-dma-refactor-v1-1-0e2baaf3d81a@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Initializing automatic __free variables to NULL without need (e.g.
branches with different allocations), followed by actual allocation is
in contrary to explicit coding rules guiding cleanup.h:
"Given that the "__free(...) = NULL" pattern for variables defined at
the top of the function poses this potential interdependency problem the
recommendation is to always define and assign variables in one statement
and not group variable definitions at the top of the function when
__free() is used."
Code does not have a bug, but is less readable and uses discouraged
coding practice, so fix that by moving declaration to the place of
assignment.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Link: https://patch.msgid.link/20251208020729.4654-2-krzysztof.kozlowski@oss.qualcomm.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The only core fix is in doc; all the others are in drivers, with the
biggest impacts in libsas being the rollback on error handling and in
ufs coming from a couple of error handling fixes, one causing a crash
if it's activated before scanning and the other fixing W-LUN
resumption.
Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"The only core fix is in doc; all the others are in drivers, with the
biggest impacts in libsas being the rollback on error handling and in
ufs coming from a couple of error handling fixes, one causing a crash
if it's activated before scanning and the other fixing W-LUN
resumption"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ufs: qcom: Fix confusing cleanup.h syntax
scsi: libsas: Add rollback handling when an error occurs
scsi: device_handler: Return error pointer in scsi_dh_attached_handler_name()
scsi: ufs: core: Fix a deadlock in the frequency scaling code
scsi: ufs: core: Fix an error handler crash
scsi: Revert "scsi: libsas: Fix exp-attached device scan after probe failure scanned in again after probe failed"
scsi: ufs: core: Fix RPMB link error by reversing Kconfig dependencies
scsi: qla4xxx: Use time conversion macros
scsi: qla2xxx: Enable/disable IRQD_NO_BALANCING during reset
scsi: ipr: Enable/disable IRQD_NO_BALANCING during reset
scsi: imm: Fix use-after-free bug caused by unfinished delayed work
scsi: target: sbp: Remove KMSG_COMPONENT macro
scsi: core: Correct documentation for scsi_device_quiesce()
scsi: mpi3mr: Prevent duplicate SAS/SATA device entries in channel 1
scsi: target: Reset t_task_cdb pointer in error case
scsi: ufs: core: Fix EH failure after W-LUN resume error
client from Max, a fix that hardens osdmap parsing code from myself
(marked for stable) and a few assorted fixups.
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Merge tag 'ceph-for-6.19-rc1' of https://github.com/ceph/ceph-client
Pull ceph updates from Ilya Dryomov:
"We have a patch that adds an initial set of tracepoints to the MDS
client from Max, a fix that hardens osdmap parsing code from myself
(marked for stable) and a few assorted fixups"
* tag 'ceph-for-6.19-rc1' of https://github.com/ceph/ceph-client:
rbd: stop selecting CRC32, CRYPTO, and CRYPTO_AES
ceph: stop selecting CRC32, CRYPTO, and CRYPTO_AES
libceph: make decode_pool() more resilient against corrupted osdmaps
libceph: Amend checking to fix `make W=1` build breakage
ceph: Amend checking to fix `make W=1` build breakage
ceph: add trace points to the MDS client
libceph: fix log output race condition in OSD client
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'smp-urgent-2025-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull CPU hotplug fix from Ingo Molnar:
- Fix CPU hotplug callbacks to disable interrupts on UP kernels
* tag 'smp-urgent-2025-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
cpu: Make atomic hotplug callbacks run with interrupts disabled on UP
individual changelogs for details.
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Merge tag 'mm-nonmm-stable-2025-12-11-11-47' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc updates from Andrew Morton:
"There are no significant series in this small merge. Please see the
individual changelogs for details"
[ Editor's note: it's mainly ocfs2 and a couple of random fixes ]
* tag 'mm-nonmm-stable-2025-12-11-11-47' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
mm: memfd_luo: add CONFIG_SHMEM dependency
mm: shmem: avoid build warning for CONFIG_SHMEM=n
ocfs2: fix memory leak in ocfs2_merge_rec_left()
ocfs2: invalidate inode if i_mode is zero after block read
ocfs2: avoid -Wflex-array-member-not-at-end warning
ocfs2: convert remaining read-only checks to ocfs2_emergency_state
ocfs2: add ocfs2_emergency_state helper and apply to setattr
checkpatch: add uninitialized pointer with __free attribute check
args: fix documentation to reflect the correct numbers
ocfs2: fix kernel BUG in ocfs2_find_victim_chain
liveupdate: luo_core: fix redundant bound check in luo_ioctl()
ocfs2: validate inline xattr size and entry count in ocfs2_xattr_ibody_list
fs/fat: remove unnecessary wrapper fat_max_cache()
ocfs2: replace deprecated strcpy with strscpy
ocfs2: check tl_used after reading it from trancate log inode
liveupdate: luo_file: don't use invalid list iterator
- The 2 patch series "powerpc/pseries/cmm: two smaller fixes" from David
Hildenbrand fixes a couple of minor things in ppc land.
- The 4 patch series "Improve folio split related functions" from Zi Yan
provides some cleanups and minorish fixes in the folio splitting code.
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Merge tag 'mm-stable-2025-12-11-11-39' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull more MM updates from Andrew Morton:
- "powerpc/pseries/cmm: two smaller fixes" (David Hildenbrand)
fixes a couple of minor things in ppc land
- "Improve folio split related functions" (Zi Yan)
some cleanups and minorish fixes in the folio splitting code
* tag 'mm-stable-2025-12-11-11-39' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
mm/damon/tests/core-kunit: avoid damos_test_commit stack warning
mm: vmscan: correct nr_requested tracing in scan_folios
MAINTAINERS: add idr core-api doc file to XARRAY
mm/hugetlb: fix incorrect error return from hugetlb_reserve_pages()
mm: fix CONFIG_STACK_GROWSUP typo in mm.h
mm/huge_memory: fix folio split stats counting
mm/huge_memory: make min_order_for_split() always return an order
mm/huge_memory: replace can_split_folio() with direct refcount calculation
mm/huge_memory: change folio_split_supported() to folio_check_splittable()
mm/sparse: fix sparse_vmemmap_init_nid_early definition without CONFIG_SPARSEMEM
powerpc/pseries/cmm: adjust BALLOON_MIGRATE when migrating pages
powerpc/pseries/cmm: call balloon_devinfo_init() also without CONFIG_BALLOON_COMPACTION
Brown paper bag time. This is a silly oversight where I missed to drop
the error condition checking to ensure we clean up on early error
returns. I have an internal unit testset coming up for this which will
catch all such issues going forward.
Reported-by: Chris Mason <clm@fb.com>
Reported-by: Jeff Layton <jlayton@kernel.org>
Fixes: 011703a9ac ("file: add FD_{ADD,PREPARE}()")
Signed-off-by: Christian Brauner <brauner@kernel.org>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commit 7bfe3b8ea6 ("Drivers: hv: Introduce mshv_vtl driver") added a
new generated header file for the offsets into the mshv_vtl_cpu_context
structure to be used by the low-level assembly code. But it didn't add
the .gitignore file to go with it, so 'git status' and friends will
mention it.
Let's add the gitignore file before somebody thinks that generated
header should be committed.
Fixes: 7bfe3b8ea6 ("Drivers: hv: Introduce mshv_vtl driver")
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
core:
- revert dumb bo 8 byte alignment
amdgpu:
- SI fix
- DC reduce stack usage
- HDMI fixes
- VCN 4.0.5 fix
- DP MST fix
- DC memory allocation fix
amdkfd:
- SVM fix
- Trap handler fix
- VGPR fixes for GC 11.5
i915:
- Fix format string truncation warning
- FIx runtime PM reference during fbdev BO creation
panthor:
- fix UAF
renesas:
- fix sync flag handling
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Merge tag 'drm-next-2025-12-13' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
"This is the weekly fixes for what is in next tree, mostly amdgpu and
some i915, panthor and a core revert.
core:
- revert dumb bo 8 byte alignment
amdgpu:
- SI fix
- DC reduce stack usage
- HDMI fixes
- VCN 4.0.5 fix
- DP MST fix
- DC memory allocation fix
amdkfd:
- SVM fix
- Trap handler fix
- VGPR fixes for GC 11.5
i915:
- Fix format string truncation warning
- FIx runtime PM reference during fbdev BO creation
panthor:
- fix UAF
renesas:
- fix sync flag handling"
* tag 'drm-next-2025-12-13' of https://gitlab.freedesktop.org/drm/kernel:
Revert "drm/amd/display: Fix pbn to kbps Conversion"
drm/amd: Fix unbind/rebind for VCN 4.0.5
drm/i915: Fix format string truncation warning
drm/i915/fbdev: Hold runtime PM ref during fbdev BO creation
drm/amd/display: Improve HDMI info retrieval
drm/amdkfd: bump minimum vgpr size for gfx1151
drm/amd/display: shrink struct members
drm/amdkfd: Export the cwsr_size and ctl_stack_size to userspace
drm/amd/display: Refactor dml_core_mode_support to reduce stack frame
drm/amdgpu: don't attach the tlb fence for SI
drm/amd/display: Use GFP_ATOMIC in dc_create_plane_state()
drm/amdkfd: Trap handler support for expert scheduling mode
drm/amdkfd: Use huge page size to check split svm range alignment
drm/rcar-du: dsi: Handle both DRM_MODE_FLAG_N.SYNC and !DRM_MODE_FLAG_P.SYNC
drm/gem-shmem: revert the 8-byte alignment constraint
drm/gem-dma: revert the 8-byte alignment constraint
drm/panthor: Prevent potential UAF in group creation
Subsystem:
- remove .priv_xfers
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Merge tag 'i3c/for-6.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux
Pull further i3c update from Alexandre Belloni:
"We are removing a legacy API callback and having this sooner rather
than later will help ensuring no one introduces a new driver using it.
I've also added patches removing the "__free(...) = NULL" pattern
because I'm sure we won't avoid people sending those following the
mailing list discussion..."
* tag 'i3c/for-6.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux:
i3c: adi: Fix confusing cleanup.h syntax
i3c: master: Fix confusing cleanup.h syntax
i3c: master: cleanup callback .priv_xfers()
i3c: master: switch to use new callback .i3c_xfers() from .priv_xfers()
Subsystem:
- stop setting max_user_freq from the individual drivers as this has not been
hardware related for a while
New drivers:
- Andes ATCRTC100
- Apple SMC
- Nvidia VRS
Drivers:
- renesas-rtca3: add RZ/V2H support
- tegra: add ACPI support
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Merge tag 'rtc-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"Subsystem:
- stop setting max_user_freq from the individual drivers as this has
not been hardware related for a while
New drivers:
- Andes ATCRTC100
- Apple SMC
- Nvidia VRS
Drivers:
- renesas-rtca3: add RZ/V2H support
- tegra: add ACPI support"
* tag 'rtc-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (34 commits)
rtc: spacemit: MFD_SPACEMIT_P1 as dependencies
rtc: atcrtc100: Fix signedness bug in probe()
rtc: max31335: Fix ignored return value in set_alarm
rtc: gamecube: Check the return value of ioremap()
Documentation: ABI: testing: Fix "upto" typo in rtc-cdev
rtc: Add new rtc-macsmc driver for Apple Silicon Macs
dt-bindings: rtc: Add Apple SMC RTC
MAINTAINERS: drop unneeded file entry in NVIDIA VRS RTC DRIVER
rtc: isl12026: Add id_table
rtc: renesas-rtca3: Add support for multiple reset lines
dt-bindings: rtc: renesas,rz-rtca3: Add RZ/V2H support
rtc: tegra: Replace deprecated SIMPLE_DEV_PM_OPS
rtc: tegra: Add ACPI support
rtc: tegra: Use devm_clk_get_enabled() in probe
rtc: Kconfig: add MC34708 to mc13xxx help text
rtc: s35390a: use u8 instead of char for register buffer
rtc: nvvrs: add NVIDIA VRS RTC device driver
dt-bindings: rtc: Document NVIDIA VRS RTC
rtc: atcrtc100: Add ATCRTC100 RTC driver
MAINTAINERS: Add entry for ATCRTC100 RTC driver
...
This tightens the dependency for the new pwm driver written in Rust to
make build bots and obviously also users happy.
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Merge tag 'pwm/for-6.19-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux
Pull pwm fix from Uwe Kleine-König:
"Fix missing th1520 Kconfig dependencies
This tightens the dependency for the new pwm driver written in Rust to
make build bots and obviously also users happy"
* tag 'pwm/for-6.19-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux:
pwm: th1520: Fix missing Kconfig dependencies
- fix spinlock op type after conversion to lock guards
- fix a memory leak in error path in gpio-regmap
- Kconfig fixes in GPIO drivers
- add a GPIO ACPI quirk for Dell Precision 7780
- set of fixes for shared GPIO management
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Merge tag 'gpio-fixes-for-v6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski:
- fix spinlock op type after conversion to lock guards
- fix a memory leak in error path in gpio-regmap
- Kconfig fixes in GPIO drivers
- add a GPIO ACPI quirk for Dell Precision 7780
- set of fixes for shared GPIO management
* tag 'gpio-fixes-for-v6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: shared: make locking more fine-grained
gpio: shared: fix auxiliary device cleanup order
gpio: shared: check if a reference is populated before cleaning its resources
gpio: shared: fix NULL-pointer dereference in teardown path
gpio: shared: ignore disabled nodes when traversing the device-tree
gpiolib: acpi: Add quirk for Dell Precision 7780
gpio: tb10x: fix OF_GPIO dependency
gpio: qixis: select CONFIG_REGMAP_MMIO
gpio: regmap: Fix memleak in error path in gpio_regmap_register()
gpio: mmio: fix bad guard conversion
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Merge tag 'pci-v6.19-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull PCI fix from Bjorn Helgaas:
- Initialize rzg3s_pcie_msi_irq() MSI status bitmap before use (Claudiu
Beznea)
* tag 'pci-v6.19-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
PCI: rzg3s-host: Initialize MSI status bitmap before use
- Support for multiple sections in a BPT stream
- Aligning DMA frame with BPT frames
- Qualcomm: support for v3.1.0 controllers
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Merge tag 'soundwire-6.19-rc1_updated' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire
Pull soundwire updates from Vinod Koul:
- Support for multiple sections in a BPT stream
- Align DMA frame with BPT frames
- Qualcomm support for v3.1.0 controllers
* tag 'soundwire-6.19-rc1_updated' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
soundwire: intel_ace2x: handle multi BPT sections
soundwire: pass sdw_bpt_section to cdns BPT helpers
soundwire: introduce BPT section
soundwire: intel_ace2x: add fake frame to BRA read command
soundwire: cadence_master: add fake_size parameter to sdw_cdns_prepare_read_dma_buffer
ASoC: SOF: Intel: export hda_sdw_bpt_get_buf_size_aligment
soundwire: cadence: export sdw_cdns_bpt_find_bandwidth
soundwire: cadence_master: set data_per_frame as frame capability
soundwire: only compute BPT stream in sdw_compute_dp0_port_params
soundwire: cadence_master: make frame index trace more readable
soundwire: qcom: adding support for v3.1.0
dt-bindings: soundwire: qcom: Document v3.1.0 version of IP block
soundwire: qcom: prepare for v3.x
soundwire: qcom: deprecate qcom,din/out-ports
dt-bindings: soundwire: qcom: deprecate qcom,din/out-ports
soundwire: qcom: remove unused rd_fifo_depth
of: base: Add of_property_read_u8_index
The rest for 6.19 merge window. The only slightly large change is
the enablement of CIX HD-audio controller, which took a bit time to
be cooked up, while most of other changes are device-specific small
trivial fixes.
- Default disablement of the kconfig for decades old pre-release
alsa-lib PCM API; it's only the default config value change, so
it can't lead to any regressions for the existing setups
- Support for CIX HD-audio controller
- A few ASoC ACP fixes
- Fixes for ASoC cirrus, bcm, wcd, qcom, ak platforms
- Trivial hardening for FireWire and USB-audio
- HD-audio Intel binding fix and quirks
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Merge tag 'sound-fix-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"The only slightly large change is the enablement of CIX HD-audio
controller, which took a bit time to be cooked up, while most of other
changes are device-specific small trivial fixes:
- Default disablement of the kconfig for decades old pre-release
alsa-lib PCM API; it's only the default config value change, so it
can't lead to any regressions for the existing setups
- Support for CIX HD-audio controller
- A few ASoC ACP fixes
- Fixes for ASoC cirrus, bcm, wcd, qcom, ak platforms
- Trivial hardening for FireWire and USB-audio
- HD-audio Intel binding fix and quirks"
* tag 'sound-fix-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (30 commits)
ALSA: hda/tas2781: Add new quirk for HP new project
ALSA: hda: cix-ipbloq: Use modern PM ops
ALSA: hda: intel-dsp-config: Prefer legacy driver as fallback
ASoC: amd: acp: update tdm channels for specific DAI
ASoC: cs35l56: Fix incorrect select SND_SOC_CS35L56_CAL_SYSFS_COMMON
ALSA: firewire-motu: add bounds check in put_user loop for DSP events
ASoC: cs35l41: Always return 0 when a subsystem ID is found
ALSA: uapi: Fix typo in asound.h comment
ALSA: Do not build obsolete API
ALSA: hda: add CIX IPBLOQ HDA controller support
ALSA: hda/core: add addr_offset field for bus address translation
ALSA: hda: dt-bindings: add CIX IPBLOQ HDA controller support
ALSA: hda/realtek: Add support for ASUS UM3406GA
ALSA: hda/realtek: Add support for HP Turbine Laptops
ALSA: usb-audio: Initialize status1 to fix uninitialized symbol errors
ALSA: firewire-motu: fix buffer overflow in hwdep read for DSP events
ALSA: hda: cs35l41: Fix NULL pointer dereference in cs35l41_hda_read_acpi()
ASoC: cros_ec_codec: Remove unnecessary selection of CRYPTO
ASoc: qcom: q6afe: fix bad guard conversion
ASoC: rockchip: Fix Wvoid-pointer-to-enum-cast warning (again)
...
drm-misc-fixes for v6.19-rc1:
- Fix stack usage warning in novatek-nt35560.
- Fix s/r, i2c issues in nouveau and update string handling.
- Ignore spurious PLL_UNLOCK bit in ti-sn65dsi83.
- Handle IS_ERR vs NULL in drm_plane_create_hotspot_properties().
- Fix devcoredump crash on reading evicted bo's.
- Fix bigendian handling in mgag200.
- Fix probe failure in tilcdc.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patch.msgid.link/6c371dc1-08bf-4a34-895c-9ef348b6061b@linux.intel.com
Initializing automatic __free variables to NULL without need (e.g.
branches with different allocations), followed by actual allocation is
in contrary to explicit coding rules guiding cleanup.h:
"Given that the "__free(...) = NULL" pattern for variables defined at
the top of the function poses this potential interdependency problem the
recommendation is to always define and assign variables in one statement
and not group variable definitions at the top of the function when
__free() is used."
Code does not have a bug, but is less readable and uses discouraged
coding practice, so fix that by moving declaration to the place of
assignment.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20251208020750.4727-4-krzysztof.kozlowski@oss.qualcomm.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
