The A523/T527 SoCs have a new MCU PRCM, which has more clocks and reset
controls for the RISC-V MCU and other peripherals. There is a second
audio PLL, but no bus clock dividers. The BSP driver uses the 24MHz main
oscillator as the parent for all the bus clocks. But the diagram
suggests busses from the other PRCM are used in this block as well.
Add a driver to support this part. Unlike the BSP driver, the SoC's main
MBUS clock is chosen as the parent for the MCU MBUS clock, and the
latter then serves as the parent of the MCU DMA controller's MBUS clock.
The bus gate clocks also use their respective bus clocks as parents
according to the system bus tree diagram. In cases where a block does
not appear in that diagram, an educated guess is made.
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://patch.msgid.link/20250911174710.3149589-6-wens@kernel.org
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Some clocks (for timers) on the A523 are mux-divider-gate types
with the divider being values of power-of-two.
Add a macro for these types of clocks so that we can use the divider
types instead of the M-P types without an M divider.
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://patch.msgid.link/20250911174710.3149589-5-wens@kernel.org
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
The main clock controller on the A523/T527 has the NPU's module clock.
It was missing from the original submission, likely because that was
based on the A523 user manual; the A523 is marketed without the NPU.
Also, merge the private header back into the driver code itself. The
header only contains a macro containing the total number of clocks.
This has to be updated every time a missing clock gets added. Having
it in a separate file doesn't help the process. Instead just drop the
macro, and thus the header no longer has any reason to exist.
Also move the .num value to after the list of clks to make it obvious
that it should be updated when new clks are added.
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://patch.msgid.link/20250911174710.3149589-4-wens@kernel.org
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
There are four clock controllers in the A523 SoC. The existing binding
already covers two of them that are critical for basic operation. The
remaining ones are the MCU clock controller and CPU PLL clock
controller.
Add a description for the MCU CCU. This unit controls and provides
clocks to the MCU (RISC-V) subsystem and peripherals meant to operate
under low power conditions.
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20250911174710.3149589-3-wens@kernel.org
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
The main clock controller on the A523/T527 has the NPU's module clock.
It was missing from the original submission, likely because that was
based on the A523 user manual; the A523 is marketed without the NPU.
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20250911174710.3149589-2-wens@kernel.org
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
tasklet has been marked deprecated and it's planned to be
removed. Make omap crypto drivers to use BH workqueue which
is the new interface for executing in BH context in place
of tasklet.
Signed-off-by: Ryo Takakura <ryotkkr98@gmail.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Replace kzalloc() followed by copy_from_user() with memdup_user() to
improve and simplify adf_ctl_alloc_resources(). memdup_user() returns
either -ENOMEM or -EFAULT (instead of -EIO) if an error occurs.
Remove the unnecessary device id initialization, since memdup_user()
(like copy_from_user()) immediately overwrites it.
No functional changes intended other than returning the more idiomatic
error code -EFAULT.
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
during entropy evaluation, if the generated samples fail
any statistical test, then, all of the bits will be discarded,
and a second set of samples will be generated and tested.
the entropy delay interval should be doubled before performing the
retry.
also, ctrlpriv->rng4_sh_init and inst_handles both reads RNG DRNG
status register, but only inst_handles is updated before every retry.
so only check inst_handles and removing ctrlpriv->rng4_sh_init
Signed-off-by: Gaurav Jain <gaurav.jain@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Currently if a user enqueue a work item using schedule_delayed_work() the
used wq is "system_wq" (per-cpu wq) while queue_delayed_work() use
WORK_CPU_UNBOUND (used when a cpu is not specified). The same applies to
schedule_work() that is using system_wq and queue_work(), that makes use
again of WORK_CPU_UNBOUND.
This lack of consistentcy cannot be addressed without refactoring the API.
alloc_workqueue() treats all queues as per-CPU by default, while unbound
workqueues must opt-in via WQ_UNBOUND.
This default is suboptimal: most workloads benefit from unbound queues,
allowing the scheduler to place worker threads where they’re needed and
reducing noise when CPUs are isolated.
This default is suboptimal: most workloads benefit from unbound queues,
allowing the scheduler to place worker threads where they’re needed and
reducing noise when CPUs are isolated.
This patch adds a new WQ_PERCPU flag to explicitly request the use of
the per-CPU behavior. Both flags coexist for one release cycle to allow
callers to transition their calls.
Once migration is complete, WQ_UNBOUND can be removed and unbound will
become the implicit default.
With the introduction of the WQ_PERCPU flag (equivalent to !WQ_UNBOUND),
any alloc_workqueue() caller that doesn’t explicitly specify WQ_UNBOUND
must now use WQ_PERCPU.
All existing users have been updated accordingly.
Suggested-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Marco Crivellari <marco.crivellari@suse.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Currently if a user enqueue a work item using schedule_delayed_work() the
used wq is "system_wq" (per-cpu wq) while queue_delayed_work() use
WORK_CPU_UNBOUND (used when a cpu is not specified). The same applies to
schedule_work() that is using system_wq and queue_work(), that makes use
again of WORK_CPU_UNBOUND.
This lack of consistentcy cannot be addressed without refactoring the API.
system_unbound_wq should be the default workqueue so as not to enforce
locality constraints for random work whenever it's not required.
Adding system_dfl_wq to encourage its use when unbound work should be used.
queue_work() / queue_delayed_work() / mod_delayed_work() will now use the
new unbound wq: whether the user still use the old wq a warn will be
printed along with a wq redirect to the new one.
The old system_unbound_wq will be kept for a few release cycles.
Suggested-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Marco Crivellari <marco.crivellari@suse.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Currently if a user enqueue a work item using schedule_delayed_work() the
used wq is "system_wq" (per-cpu wq) while queue_delayed_work() use
WORK_CPU_UNBOUND (used when a cpu is not specified). The same applies to
schedule_work() that is using system_wq and queue_work(), that makes use
again of WORK_CPU_UNBOUND.
This lack of consistentcy cannot be addressed without refactoring the API.
alloc_workqueue() treats all queues as per-CPU by default, while unbound
workqueues must opt-in via WQ_UNBOUND.
This default is suboptimal: most workloads benefit from unbound queues,
allowing the scheduler to place worker threads where they’re needed and
reducing noise when CPUs are isolated.
This default is suboptimal: most workloads benefit from unbound queues,
allowing the scheduler to place worker threads where they’re needed and
reducing noise when CPUs are isolated.
This patch adds a new WQ_PERCPU flag to explicitly request the use of
the per-CPU behavior. Both flags coexist for one release cycle to allow
callers to transition their calls.
Once migration is complete, WQ_UNBOUND can be removed and unbound will
become the implicit default.
With the introduction of the WQ_PERCPU flag (equivalent to !WQ_UNBOUND),
any alloc_workqueue() caller that doesn’t explicitly specify WQ_UNBOUND
must now use WQ_PERCPU.
All existing users have been updated accordingly.
Suggested-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Marco Crivellari <marco.crivellari@suse.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
To prepare HMAC keys, just use the library functions instead of
crypto_shash. This is much simpler, avoids depending on the fragile
export_core and import_core methods, and is faster too.
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
To prepare HMAC keys, just use the library functions instead of
crypto_shash. This is much simpler, avoids depending on the fragile
export_core and import_core methods, and is faster too.
Acked-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Change the 'ret' variable in tegra_sha_do_update() from unsigned int to
int, as it needs to store either negative error codes or zero returned
by tegra_se_host1x_submit().
No effect on runtime.
Signed-off-by: Qianfeng Rong <rongqianfeng@vivo.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Change the 'ret' variable in sec_hw_init() from u32 to int, as
it needs to store either negative error codes or zero returned by
sec_ipv4_hashmask().
No effect on runtime.
Signed-off-by: Qianfeng Rong <rongqianfeng@vivo.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Change the 'ret' variable in __sev_do_cmd_locked() from unsigned int to
int, as it needs to store negative error codes.
No effect on runtime.
Signed-off-by: Qianfeng Rong <rongqianfeng@vivo.com>
Acked-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
payload_size field of the request header is incorrectly calculated using
sizeof(req). Since 'req' is a pointer (struct hsti_request *), sizeof(req)
returns the size of the pointer itself (e.g., 8 bytes on a 64-bit system),
rather than the size of the structure it points to. This leads to an
incorrect payload size being sent to the Platform Security Processor (PSP),
potentially causing the HSTI query command to fail.
Fix this by using sizeof(*req) to correctly calculate the size of the
struct hsti_request.
Signed-off-by: Yunseong Kim <ysk@kzalloc.com>
Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>> ---
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
It seems like everywhere in this file, dd->in_sg is mapped with
DMA_TO_DEVICE and dd->out_sg is mapped with DMA_FROM_DEVICE.
Fixes: 13802005d8 ("crypto: atmel - add Atmel DES/TDES driver")
Cc: <stable@vger.kernel.org>
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The dma_unmap_sg() functions should be called with the same nents as the
dma_map_sg(), not the value the map function returned.
Fixes: 57d67c6e82 ("crypto: rockchip - rework by using crypto_engine")
Cc: <stable@vger.kernel.org>
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
In order to make the ahash code more clear and modular, split the
monolithic sun8i_ce_hash_run() callback into two parts, prepare and
unprepare (therefore aligning it with the sun8i-ce skcipher code).
Signed-off-by: Ovidiu Panait <ovidiu.panait.oss@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Similar to sun8i-ce skcipher code, move all request-specific data to
request context. This simplifies sun8i_ce_hash_run() and it eliminates
the remaining kmalloc() calls from the digest path.
Since the 'result' buffer in the request ctx struct is used for from-device
DMA, it needs to be properly aligned to CRYPTO_DMA_ALIGN. Therefore:
- increase reqsize by CRYPTO_DMA_PADDING
- add __aligned(CRYPTO_DMA_ALIGN) attribute for the 'result' buffer
- convert all ahash_request_ctx_dma() calls to ahash_request_ctx_dma()
Signed-off-by: Ovidiu Panait <ovidiu.panait.oss@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
To remove some duplicated code, directly pass 'struct skcipher_request' and
'struct ce_task' pointers to sun8i_ce_cipher_{prepare,unprepare}.
Signed-off-by: Ovidiu Panait <ovidiu.panait.oss@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Fold sun8i_ce_cipher_run() into it's only caller, sun8i_ce_cipher_do_one(),
to eliminate a bit of boilerplate.
Signed-off-by: Ovidiu Panait <ovidiu.panait.oss@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Currently, the iv buffers are allocated per flow during driver probe,
which means that the buffers are shared by all requests. This works
because the driver is not yet truly asynchronous, since it waits inside
do_one_request() for the completion irq.
However, the iv data is request-specific, so it should be part of the
request context. Move iv buffers to request context.
The bounce_iv buffer is aligned to sizeof(u32) to match the 'word address'
requirement for the task descriptor's iv field.
Signed-off-by: Ovidiu Panait <ovidiu.panait.oss@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
In order to remove code duplication, factor out task descriptor dumping to
a new function sun8i_ce_dump_task_descriptors().
Signed-off-by: Ovidiu Panait <ovidiu.panait.oss@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
There are 3 instances of '__maybe_unused' annotations that are not needed,
as the variables are always used, so remove them.
Signed-off-by: Ovidiu Panait <ovidiu.panait.oss@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Retrieve the dev pointer from tfm context to eliminate some boilerplate
code in sun8i_ce_hash_digest().
Signed-off-by: Ovidiu Panait <ovidiu.panait.oss@gmail.com>
Tested-by: Corentin LABBE <clabbe.montjoie@gmail.com>
Reviewed-by: Corentin LABBE <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Using the number of bytes in the request as DMA timeout is really
inconsistent, as large requests could possibly set a timeout of
hundreds of seconds.
Remove the per-channel timeout field and use a single, static DMA
timeout of 3 seconds for all requests.
Signed-off-by: Ovidiu Panait <ovidiu.panait.oss@gmail.com>
Tested-by: Corentin LABBE <clabbe.montjoie@gmail.com>
Reviewed-by: Corentin LABBE <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
When
9770b428b1 ("crypto: ccp - Move dev_info/err messages for SEV/SNP init and shutdown")
moved the error messages dumping so that they don't need to be issued by
the callers, it missed the case where __sev_firmware_shutdown() calls
__sev_platform_shutdown_locked() with a NULL argument which leads to
a NULL ptr deref on the shutdown path, during suspend to disk:
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0
Oops: Oops: 0000 [#1] SMP NOPTI
CPU: 0 UID: 0 PID: 983 Comm: hib.sh Not tainted 6.17.0-rc4+ #1 PREEMPT(voluntary)
Hardware name: Supermicro Super Server/H12SSL-i, BIOS 2.5 09/08/2022
RIP: 0010:__sev_platform_shutdown_locked.cold+0x0/0x21 [ccp]
That rIP is:
00000000000006fd <__sev_platform_shutdown_locked.cold>:
6fd: 8b 13 mov (%rbx),%edx
6ff: 48 8b 7d 00 mov 0x0(%rbp),%rdi
703: 89 c1 mov %eax,%ecx
Code: 74 05 31 ff 41 89 3f 49 8b 3e 89 ea 48 c7 c6 a0 8e 54 a0 41 bf 92 ff ff ff e8 e5 2e 09 e1 c6 05 2a d4 38 00 01 e9 26 af ff ff <8b> 13 48 8b 7d 00 89 c1 48 c7 c6 18 90 54 a0 89 44 24 04 e8 c1 2e
RSP: 0018:ffffc90005467d00 EFLAGS: 00010282
RAX: 00000000ffffff92 RBX: 0000000000000000 RCX: 0000000000000000
^^^^^^^^^^^^^^^^
and %rbx is nice and clean.
Call Trace:
<TASK>
__sev_firmware_shutdown.isra.0
sev_dev_destroy
psp_dev_destroy
sp_destroy
pci_device_shutdown
device_shutdown
kernel_power_off
hibernate.cold
state_store
kernfs_fop_write_iter
vfs_write
ksys_write
do_syscall_64
entry_SYSCALL_64_after_hwframe
Pass in a pointer to the function-local error var in the caller.
With that addressed, suspending the ccp shows the error properly at
least:
ccp 0000:47:00.1: sev command 0x2 timed out, disabling PSP
ccp 0000:47:00.1: SEV: failed to SHUTDOWN error 0x0, rc -110
SEV-SNP: Leaking PFN range 0x146800-0x146a00
SEV-SNP: PFN 0x146800 unassigned, dumping non-zero entries in 2M PFN region: [0x146800 - 0x146a00]
...
ccp 0000:47:00.1: SEV-SNP firmware shutdown failed, rc -16, error 0x0
ACPI: PM: Preparing to enter system sleep state S5
kvm: exiting hardware virtualization
reboot: Power down
Btw, this driver is crying to be cleaned up to pass in a proper I/O
struct which can be used to store information between the different
functions, otherwise stuff like that will happen in the future again.
Fixes: 9770b428b1 ("crypto: ccp - Move dev_info/err messages for SEV/SNP init and shutdown")
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: <stable@kernel.org>
Reviewed-by: Ashish Kalra <ashish.kalra@amd.com>
Acked-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
When "perf lock con" is run in a live mode, with no data file, a host
environment must be provided. Testing missed this as a failing assert
was creating the 1 line of expected stderr output.
$ sudo perf lock con -ab true
perf: util/session.c:195: __perf_session__new: Assertion `host_env != NULL' failed.
Aborted
Fixes: 525a599bad ("perf env: Remove global perf_env")
Signed-off-by: Ian Rogers <irogers@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
When cross-compiling the perf tool for ARM64, `perf help` may crash
with the following assertion failure:
help.c:122: exclude_cmds: Assertion `cmds->names[ci] == NULL' failed.
This happens when the perf binary is not named exactly "perf" or when
multiple "perf-*" binaries exist in the same directory. In such cases,
the `excludes` command list can be empty, which leads to the final
assertion in exclude_cmds() being triggered.
Add a simple guard at the beginning of exclude_cmds() to return early
if excludes->cnt is zero, preventing the crash.
Signed-off-by: hupu <hupu.gm@gmail.com>
Reported-by: Guilherme Amadio <amadio@gentoo.org>
Reviewed-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20250909094953.106706-1-amadio@gentoo.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
This driver by now supports 17 different Microchip (formerly known as
Micrel) chips: KSZ9021, KSZ9031, KSZ9131, KSZ8001, KS8737, KSZ8021,
KSZ8031, KSZ8041, KSZ8051, KSZ8061, KSZ8081, KSZ8873MLL, KSZ886X,
KSZ9477, LAN8814, LAN8804 and LAN8841.
Support for the VSC8201 was removed in commit 51f932c487 ("micrel phy
driver - updated(1)")
Update the help text to reflect that, list families instead of models to
ease future maintenance.
Signed-off-by: Jonas Rebmann <jre@pengutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20250911-micrel-kconfig-v2-1-e8f295059050@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Network drivers sometimes return -EOPNOTSUPP from their get_ts_info()
method, and this should not cause the reporting of PHY timestamping
information to be prohibited. Handle this error code, and also
arrange for ethtool_net_get_ts_info_by_phc() to return -EOPNOTSUPP
when the method is not implemented.
This allows e.g. PHYs connected to DSA switches which support
timestamping to report their timestamping capabilities.
Fixes: b9e3f7dc9e ("net: ethtool: tsinfo: Enhance tsinfo to support several hwtstamp by net topology")
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Link: https://patch.msgid.link/E1uwiW3-00000004jRF-3CnC@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'nf-next-25-09-11' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next
Florian Westphal says:
====================
netfilter: updates for net-next
1) Don't respond to ICMP_UNREACH errors with another ICMP_UNREACH
error.
2) Support fetching the current bridge ethernet address.
This allows a more flexible approach to packet redirection
on bridges without need to use hardcoded addresses. From
Fernando Fernandez Mancera.
3) Zap a few no-longer needed conditionals from ipvs packet path
and convert to READ/WRITE_ONCE to avoid KCSAN warnings.
From Zhang Tengfei.
4) Remove a no-longer-used macro argument in ipset, from Zhen Ni.
* tag 'nf-next-25-09-11' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next:
netfilter: nf_reject: don't reply to icmp error messages
ipvs: Use READ_ONCE/WRITE_ONCE for ipvs->enable
netfilter: nft_meta_bridge: introduce NFT_META_BRI_IIFHWADDR support
netfilter: ipset: Remove unused htable_bits in macro ahash_region
selftest:net: fixed spelling mistakes
====================
Link: https://patch.msgid.link/20250911143819.14753-1-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The brcm,bcm7445-switch-v4.0.txt binding is already covered by
dsa/brcm,sf2.yaml. The listed deprecated properties aren't used anywhere
either.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Acked-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20250909142339.3219200-2-robh@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add support for hardware timestamps in (e.g.) the PHY by calling
skb_tx_timestamp() as close as reasonably possible to the point that
the hardware is instructed to send the queued packets.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1uwKHe-00000004glk-3nkJ@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add compatible and the hardware struct for Tegra256. Tegra256 controllers
use a different parent clock. Hence the timing parameters are different
from the previous generations to meet the expected frequencies.
Signed-off-by: Akhil R <akhilrajeev@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Add compatible for Tegra256 I2C controllers. Tegra256 consists of
8 generic Tegra I2C controllers similar to previous generations.
The parent clock frequency is different in these controllers and
hence the timing parameter values are different from the previous
ones.
Signed-off-by: Akhil R <akhilrajeev@nvidia.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Starting with commit f99508074e ("PM: domains: Detach on
device_unbind_cleanup()"), there is no longer a need to call
dev_pm_domain_detach() in the bus remove function. The
device_unbind_cleanup() function now handles this to avoid
invoking devres cleanup handlers while the PM domain is
powered off, which could otherwise lead to failures as
described in the above-mentioned commit.
Drop the explicit dev_pm_domain_detach() call and rely instead
on the flags passed to dev_pm_domain_attach() to power off the
domain.
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Remove existing arbitration timeout macros and use I2C adapter timeout
value for arbitration timeout and forceful bus ownership.
I2C adapter timeout can be configurable from user space, so using it
for arbitration timeout helps in configuring the arbitration timeout
from user space depending on the use case.
Signed-off-by: Manikanta Guntupalli <manikanta.guntupalli@amd.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Update email address to @oss.qualcomm.com for both the maintainers
from qualcomm, Viken dadhani and Mukesh Kumar Savaliya.
Signed-off-by: Mukesh Kumar Savaliya <mukesh.savaliya@oss.qualcomm.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
After discussion with the devicetree maintainers we agreed to not extend
lists with the generic compatible "apple,i2c" anymore [1]. Use
"apple,t8103-i2c" as fallback compatible as it is the SoC the driver
and bindings were written for.
This block is compatible with t8103, so just add the new per-SoC
compatible using apple,t8103-i2c as base.
[1]: https://lore.kernel.org/asahi/12ab93b7-1fc2-4ce0-926e-c8141cfe81bf@kernel.org/
Signed-off-by: Janne Grunau <j@jannau.net>
Acked-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Add the sa8775p CCI device string compatible.
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Wenmeng Liu <quic_wenmliu@qualcomm.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
The CCI on QCM2290 is the interface for controlling camera sensor over I2C.
It requires only two clocks.
Signed-off-by: Loic Poulain <loic.poulain@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
dw_pcie_edma_irq_verify() already parses device tree for either "dma" (if
there is a single IRQ for all DMA channels) or "dmaX" (if there is one IRQ
per DMA channel), and initializes dma.nr_irqs accordingly.
Additionally, the probing of the eDMA driver will fail if neither "dma"
nor "dmaX" is defined in the device tree.
Therefore there is no need for a glue driver to specify edma.nr_irqs, so
remove the redundant edma.nr_irqs initialization.
Signed-off-by: Niklas Cassel <cassel@kernel.org>
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
[bhelgaas: fix typos]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://patch.msgid.link/20250908165914.547002-4-cassel@kernel.org
dw_pcie_edma_irq_verify() is supposed to verify the eDMA IRQs in devicetree
by fetching them using either 'dma' or 'dmaX' IRQ names. Former is used
when the platform uses a single IRQ for all eDMA channels and latter is
used when the platform uses separate IRQ per channel. But currently,
dw_pcie_edma_irq_verify() bails out early if edma::nr_irqs is 1, i.e., when
a single IRQ is used. This gives an impression that the driver could work
with any single IRQ in devicetree, not necessarily with name 'dma'.
But dw_pcie_edma_irq_vector(), which actually requests the IRQ, does
require the single IRQ to be named as 'dma'. So this creates inconsistency
between dw_pcie_edma_irq_verify() and dw_pcie_edma_irq_vector().
Thus, to fix this inconsistency, make sure dw_pcie_edma_irq_verify() also
verifies the single IRQ name by removing the bail out code.
Signed-off-by: Niklas Cassel <cassel@kernel.org>
[mani: reworded subject and description]
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
[bhelgaas: fix typos]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://patch.msgid.link/20250908165914.547002-3-cassel@kernel.org
Use attack vector controls to select whether VMSCAPE requires mitigation,
similar to other bugs.
Signed-off-by: David Kaplan <david.kaplan@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
