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Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
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Replace pm_runtime_enable with the devres-enabled version which
can trigger pm_runtime_disable.
Otherwise, the below appears during reload driver.
mtk_rng 1020f000.rng: Unbalanced pm_runtime_enable!
Fixes: 81d2b34508c6 ("hwrng: mtk - add runtime PM support")
Cc: <stable@vger.kernel.org>
Suggested-by: Chen-Yu Tsai <wenst@chromium.org>
Signed-off-by: Guoqing Jiang <guoqing.jiang@canonical.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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It's unlikely that devm_pm_runtime_enable ever fails. Still, it makes
sense to read the return value and handle errors.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The driver uses the rst variable only for an initial reset when the chip
is probed. There's no need to store rst in the driver's private data, we
can make it a local variable in the probe function.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The devm_clk_get_enabled() helpers:
- call devm_clk_get()
- call clk_prepare_enable() and register what is needed in order to
call clk_disable_unprepare() when needed, as a managed resource.
This simplifies the code and avoids the calls to clk_disable_unprepare().
Signed-off-by: Huan Yang <link@vivo.com>
Reviewed-by: Martin Kaiser <martin@kaiser.cx>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add the missing clk_disable_unprepare() before return in
cctrng_resume().
Fixes: a583ed310bb6 ("hwrng: cctrng - introduce Arm CryptoCell driver")
Cc: <stable@vger.kernel.org>
Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add the missing clk_disable_unprepare() before return in
bcm2835_rng_init().
Fixes: e5f9f41d5e62 ("hwrng: bcm2835 - add reset support")
Cc: <stable@vger.kernel.org>
Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Rockchip SoCs used to have a random number generator as part of their
crypto device, and support for it has to be added to the corresponding
driver. However newer Rockchip SoCs like the RK3568 have an independent
True Random Number Generator device. This patch adds a driver for it,
greatly inspired from the downstream driver.
The TRNG device does not seem to have a signal conditionner and the FIPS
140-2 test returns a lot of failures. They can be reduced by increasing
RK_RNG_SAMPLE_CNT, in a tradeoff between quality and speed. This value
has been adjusted to get ~90% of successes and the quality value has
been set accordingly.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
[daniel@makrotpia.org: code style fixes]
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Before commit addea5858b66 ("hwrng: Kconfig - Do not enable by default
CN10K driver") the Marvell CN10K Random Number Generator was always
enabled when HW_RANDOM was enabled.
This was changed with that commit to prevent having this driver being
always enabled on arm64. To prevent introducing regression with some old
defconfig enable the driver when ARCH_THUNDER is enabled.
Fixes: addea5858b66 ("hwrng: Kconfig - Do not enable by default CN10K driver")
Closes: https://lore.kernel.org/all/SN7PR18MB53144B37B82ADEEC5D35AE0CE3AC2@SN7PR18MB5314.namprd18.prod.outlook.com/
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto update from Herbert Xu:
"API:
- Test setkey in no-SIMD context
- Add skcipher speed test for user-specified algorithm
Algorithms:
- Add x25519 support on ppc64le
- Add VAES and AVX512 / AVX10 optimized AES-GCM on x86
- Remove sm2 algorithm
Drivers:
- Add Allwinner H616 support to sun8i-ce
- Use DMA in stm32
- Add Exynos850 hwrng support to exynos"
* tag 'v6.11-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (81 commits)
hwrng: core - remove (un)register_miscdev()
crypto: lib/mpi - delete unnecessary condition
crypto: testmgr - generate power-of-2 lengths more often
crypto: mxs-dcp - Ensure payload is zero when using key slot
hwrng: Kconfig - Do not enable by default CN10K driver
crypto: starfive - Fix nent assignment in rsa dec
crypto: starfive - Align rsa input data to 32-bit
crypto: qat - fix unintentional re-enabling of error interrupts
crypto: qat - extend scope of lock in adf_cfg_add_key_value_param()
Documentation: qat: fix auto_reset attribute details
crypto: sun8i-ce - add Allwinner H616 support
crypto: sun8i-ce - wrap accesses to descriptor address fields
dt-bindings: crypto: sun8i-ce: Add compatible for H616
hwrng: core - Fix wrong quality calculation at hw rng registration
hwrng: exynos - Enable Exynos850 support
hwrng: exynos - Add SMC based TRNG operation
hwrng: exynos - Implement bus clock control
hwrng: exynos - Use devm_clk_get_enabled() to get the clock
hwrng: exynos - Improve coding style
dt-bindings: rng: Add Exynos850 support to exynos-trng
...
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These functions are redundant after commit 0daa7a0afd0f ("hwrng: Avoid
manual device_create_file() calls").
Let's call misc_(de)register() directly.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Do not enable by default the CN10K HW random generator driver.
CN10K Random Number Generator is available only on some specific
Marvell SoCs, however the driver is in practice enabled by default on
all arm64 configs.
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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When there are rng sources registering at the hwrng core via
hwrng_register() a struct hwrng is delivered. There is a quality
field in there which is used to decide which of the registered
hw rng sources will be used by the hwrng core.
With commit 16bdbae39428 ("hwrng: core - treat default_quality as
a maximum and default to 1024") there came in a new default of
1024 in case this field is empty and all the known hw rng sources
at that time had been reworked to not fill this field and thus
use the default of 1024.
The code choosing the 'better' hw rng source during registration
of a new hw rng source has never been adapted to this and thus
used 0 if the hw rng implementation does not fill the quality field.
So when two rng sources register, one with 0 (meaning 1024) and
the other one with 999, the 999 hw rng will be chosen.
As the later invoked function hwrng_init() anyway adjusts the
quality field of the hw rng source, this adjustment is now done
during registration of this new hw rng source.
Tested on s390 with two hardware rng sources: crypto cards and
trng true random generator device driver.
Fixes: 16bdbae39428 ("hwrng: core - treat default_quality as a maximum and default to 1024")
Reported-by: Christian Rund <Christian.Rund@de.ibm.com>
Suggested-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Harald Freudenberger <freude@linux.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add Exynos850 compatible and its driver data. It's only possible to
access TRNG block via SMC calls in Exynos850, so specify that fact using
EXYNOS_SMC flag in the driver data.
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Łukasz Stelmach <l.stelmach@samsung.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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On some Exynos chips like Exynos850 the access to Security Sub System
(SSS) registers is protected with TrustZone, and therefore only possible
from EL3 monitor software. The Linux kernel is running in EL1, so the
only way for the driver to obtain TRNG data is via SMC calls to EL3
monitor. Implement such SMC operation and use it when EXYNOS_SMC flag is
set in the corresponding chip driver data.
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Some SoCs like Exynos850 might require the SSS bus clock (PCLK) to be
enabled in order to access TRNG registers. Add and handle the optional
PCLK clock accordingly to make it possible.
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Anand Moon <linux.amoon@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use devm_clk_get_enabled() helper instead of calling devm_clk_get() and
then clk_prepare_enable(). It simplifies the error handling and makes
the code more compact. Also use dev_err_probe() to handle possible
-EPROBE_DEFER errors if the clock is not available yet.
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Anand Moon <linux.amoon@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Fix obvious style issues. Some of those were found with checkpatch, and
some just contradict the kernel coding style guide.
No functional change.
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Łukasz Stelmach <l.stelmach@samsung.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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With ARCH=arm64, make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/char/hw_random/cavium-rng.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/char/hw_random/cavium-rng-vf.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/char/hw_random/arm_smccc_trng.o
Add the missing invocations of the MODULE_DESCRIPTION() macro.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/char/hw_random/omap-rng.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/char/hw_random/omap3-rom-rng.o
Add the missing invocation of the MODULE_DESCRIPTION() macro.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use sizeof(*priv) instead of sizeof(struct stm32_rng_private), the
former makes renaming of struct stm32_rng_private easier if necessary,
as it removes one site where such rename has to happen. No functional
change.
Signed-off-by: Marek Vasut <marex@denx.de>
Acked-by: Uwe Kleine-König <ukleinek@kernel.org>
Acked-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Place device pointer in struct stm32_rng_private and use it all over the
place to get rid of the horrible type casts throughout the driver.
No functional change.
Acked-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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include/linux/pm_runtime.h pm_runtime_get_sync() description suggests to
... consider using pm_runtime_resume_and_get() instead of it, especially
if its return value is checked by the caller, as this is likely to result
in cleaner code.
This is indeed better, switch to pm_runtime_resume_and_get() which
correctly suspends the device again in case of failure. Also add error
checking into the RNG driver in case pm_runtime_resume_and_get() does
fail, which is currently not done, and it does detect sporadic -EACCES
error return after resume, which would otherwise lead to a hang due to
register access on un-resumed hardware. Now the read simply errors out
and the system does not hang.
Acked-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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amd_rng_mod_init() uses pci_read_config_dword() that returns PCIBIOS_*
codes. The return code is then returned as is but amd_rng_mod_init() is
a module_init() function that should return normal errnos.
Convert PCIBIOS_* returns code using pcibios_err_to_errno() into normal
errno before returning it.
Fixes: 96d63c0297cc ("[PATCH] Add AMD HW RNG driver")
Cc: stable@vger.kernel.org
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fix from Herbert Xu:
"This fixes a new run-time warning triggered by tpm"
* tag 'v6.10-p3' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
hwrng: core - Remove add_early_randomness
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A potential deadlock was reported with the config file at
https://web.archive.org/web/20240522052129/https://0x0.st/XPN_.txt
In this particular configuration, the deadlock doesn't exist because
the warning triggered at a point before modules were even available.
However, the deadlock can be real because any module loaded would
invoke async_synchronize_full.
The issue is spurious for software crypto algorithms which aren't
themselves involved in async probing. However, it would be hard to
avoid for a PCI crypto driver using async probing.
In this particular call trace, the problem is easily avoided because
the only reason the module is being requested during probing is the
add_early_randomness call in the hwrng core. This feature is
vestigial since there is now a kernel thread dedicated to doing
exactly this.
So remove add_early_randomness as it is no longer needed.
Reported-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reported-by: Eric Biggers <ebiggers@kernel.org>
Fixes: 1b6d7f9eb150 ("tpm: add session encryption protection to tpm2_get_random()")
Link: https://lore.kernel.org/r/119dc5ed-f159-41be-9dda-1a056f29888d@notapiano/
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Tested-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Pull virtio updates from Michael Tsirkin:
"Several new features here:
- virtio-net is finally supported in vduse
- virtio (balloon and mem) interaction with suspend is improved
- vhost-scsi now handles signals better/faster
And fixes, cleanups all over the place"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (48 commits)
virtio-pci: Check if is_avq is NULL
virtio: delete vq in vp_find_vqs_msix() when request_irq() fails
MAINTAINERS: add Eugenio Pérez as reviewer
vhost-vdpa: Remove usage of the deprecated ida_simple_xx() API
vp_vdpa: don't allocate unused msix vectors
sound: virtio: drop owner assignment
fuse: virtio: drop owner assignment
scsi: virtio: drop owner assignment
rpmsg: virtio: drop owner assignment
nvdimm: virtio_pmem: drop owner assignment
wifi: mac80211_hwsim: drop owner assignment
vsock/virtio: drop owner assignment
net: 9p: virtio: drop owner assignment
net: virtio: drop owner assignment
net: caif: virtio: drop owner assignment
misc: nsm: drop owner assignment
iommu: virtio: drop owner assignment
drm/virtio: drop owner assignment
gpio: virtio: drop owner assignment
firmware: arm_scmi: virtio: drop owner assignment
...
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virtio core already sets the .owner, so driver does not need to.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Message-Id: <20240331-module-owner-virtio-v2-8-98f04bfaf46a@linaro.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Pull ARM updates from Russell King:
- Updates to AMBA bus subsystem to drop .owner struct device_driver
initialisations, moving that to code instead.
- Add LPAE privileged-access-never support
- Add support for Clang CFI
- clkdev: report over-sized device or connection strings
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rmk/linux: (36 commits)
ARM: 9398/1: Fix userspace enter on LPAE with CC_OPTIMIZE_FOR_SIZE=y
clkdev: report over-sized strings when creating clkdev entries
ARM: 9393/1: mm: Use conditionals for CFI branches
ARM: 9392/2: Support CLANG CFI
ARM: 9391/2: hw_breakpoint: Handle CFI breakpoints
ARM: 9390/2: lib: Annotate loop delay instructions for CFI
ARM: 9389/2: mm: Define prototypes for all per-processor calls
ARM: 9388/2: mm: Type-annotate all per-processor assembly routines
ARM: 9387/2: mm: Rewrite cacheflush vtables in CFI safe C
ARM: 9386/2: mm: Use symbol alias for cache functions
ARM: 9385/2: mm: Type-annotate all cache assembly routines
ARM: 9384/2: mm: Make tlbflush routines CFI safe
ARM: 9382/1: ftrace: Define ftrace_stub_graph
ARM: 9358/2: Implement PAN for LPAE by TTBR0 page table walks disablement
ARM: 9357/2: Reduce the number of #ifdef CONFIG_CPU_SW_DOMAIN_PAN
ARM: 9356/2: Move asm statements accessing TTBCR into C functions
ARM: 9355/2: Add TTBCR_* definitions to pgtable-3level-hwdef.h
ARM: 9379/1: coresight: tpda: drop owner assignment
ARM: 9378/1: coresight: etm4x: drop owner assignment
ARM: 9377/1: hwrng: nomadik: drop owner assignment
...
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The clock management in this driver does not seem to be correct. The
struct hwrng .init callback enables the clock, but there is no matching
.cleanup callback to disable the clock. The clock get disabled as some
later point by runtime PM suspend callback.
Furthermore, both runtime PM and sleep suspend callbacks access registers
first and disable clock which are used for register access second. If the
IP is already in RPM suspend and the system enters sleep state, the sleep
callback will attempt to access registers while the register clock are
already disabled. This bug has been fixed once before already in commit
9bae54942b13 ("hwrng: stm32 - fix pm_suspend issue"), and regressed in
commit ff4e46104f2e ("hwrng: stm32 - rework power management sequences") .
Fix this slightly differently, disable register clock at the end of .init
callback, this way the IP is disabled after .init. On every access to the
IP, which really is only stm32_rng_read(), do pm_runtime_get_sync() which
is already done in stm32_rng_read() to bring the IP from RPM suspend, and
pm_runtime_mark_last_busy()/pm_runtime_put_sync_autosuspend() to put it
back into RPM suspend.
Change sleep suspend/resume callbacks to enable and disable register clock
around register access, as those cannot use the RPM suspend/resume callbacks
due to slightly different initialization in those sleep callbacks. This way,
the register access should always be performed with clock surely enabled.
Fixes: ff4e46104f2e ("hwrng: stm32 - rework power management sequences")
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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In case of an irrecoverable failure, put the IP into RPM suspend
to avoid RPM imbalance. I did not trigger this case, but it seems
it should be done based on reading the code.
Fixes: b17bc6eb7c2b ("hwrng: stm32 - rework error handling in stm32_rng_read()")
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The conditional is used to check whether err is non-zero OR whether
reg variable is non-zero after clearing bits from it. This should be
done using logical OR, not bitwise OR, fix it.
Fixes: 6b85a7e141cb ("hwrng: stm32 - implement STM32MP13x support")
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Amba bus core already sets owner, so driver does not need to.
Link: https://lore.kernel.org/r/20240326-module-owner-amba-v1-15-4517b091385b@linaro.org
Acked-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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There are considerations to drop platform_driver_probe() as a concept
that isn't relevant any more today. It comes with an added complexity
that makes many users hold it wrong. (E.g. this driver should have mark
the driver struct with __refdata.)
Convert the driver to the more usual module_platform_driver().
This fixes a W=1 build warning:
WARNING: modpost: drivers/char/hw_random/mxc-rnga: section mismatch in reference: mxc_rnga_driver+0x10 (section: .data) -> mxc_rnga_remove (section: .exit.text)
with CONFIG_HW_RANDOM_MXC_RNGA=m.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Per filesystems/sysfs.rst, show() should only use sysfs_emit()
or sysfs_emit_at() when formatting the value to be returned to user space.
coccinelle complains that there are still a couple of functions that use
snprintf(). Convert them to sysfs_emit().
sprintf() will be converted as weel if they have.
Generally, this patch is generated by
make coccicheck M=<path/to/file> MODE=patch \
COCCI=scripts/coccinelle/api/device_attr_show.cocci
No functional change intended
CC: Olivia Mackall <olivia@selenic.com>
CC: Herbert Xu <herbert@gondor.apana.org.au>
CC: linux-crypto@vger.kernel.org
Signed-off-by: Li Zhijian <lizhijian@fujitsu.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
"API:
- Avoid unnecessary copying in scomp for trivial SG lists
Algorithms:
- Optimise NEON CCM implementation on ARM64
Drivers:
- Add queue stop/query debugfs support in hisilicon/qm
- Intel qat updates and cleanups"
* tag 'v6.9-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (79 commits)
Revert "crypto: remove CONFIG_CRYPTO_STATS"
crypto: scomp - remove memcpy if sg_nents is 1 and pages are lowmem
crypto: tcrypt - add ffdhe2048(dh) test
crypto: iaa - fix the missing CRYPTO_ALG_ASYNC in cra_flags
crypto: hisilicon/zip - fix the missing CRYPTO_ALG_ASYNC in cra_flags
hwrng: hisi - use dev_err_probe
MAINTAINERS: Remove T Ambarus from few mchp entries
crypto: iaa - Fix comp/decomp delay statistics
crypto: iaa - Fix async_disable descriptor leak
dt-bindings: rng: atmel,at91-trng: add sam9x7 TRNG
dt-bindings: crypto: add sam9x7 in Atmel TDES
dt-bindings: crypto: add sam9x7 in Atmel SHA
dt-bindings: crypto: add sam9x7 in Atmel AES
crypto: remove CONFIG_CRYPTO_STATS
crypto: dh - Make public key test FIPS-only
crypto: rockchip - fix to check return value
crypto: jitter - fix CRYPTO_JITTERENTROPY help text
crypto: qat - make ring to service map common for QAT GEN4
crypto: qat - fix ring to service map for dcc in 420xx
crypto: qat - fix ring to service map for dcc in 4xxx
...
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Replace dev_err + return with dev_err_probe.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Found with git grep 'MODULE_AUTHOR(".*([^)]*@'
Fixed with
sed -i '/MODULE_AUTHOR(".*([^)]*@/{s/ (/ </g;s/)"/>"/;s/)and/> and/}' \
$(git grep -l 'MODULE_AUTHOR(".*([^)]*@')
Also:
in drivers/media/usb/siano/smsusb.c normalise ", INC" to ", Inc";
this is what every other MODULE_AUTHOR for this company says,
and it's what the header says
in drivers/sbus/char/openprom.c normalise a double-spaced separator;
this is clearly copied from the copyright header,
where the names are aligned on consecutive lines thusly:
* Linux/SPARC PROM Configuration Driver
* Copyright (C) 1996 Thomas K. Dyas (tdyas@noc.rutgers.edu)
* Copyright (C) 1996 Eddie C. Dost (ecd@skynet.be)
but the authorship branding is single-line
Link: https://lkml.kernel.org/r/mk3geln4azm5binjjlfsgjepow4o73domjv6ajybws3tz22vb3@tarta.nabijaczleweli.xyz
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Define SET_RUNTIME_PM_OPS for StarFive TRNG driver.
Signed-off-by: Jia Jie Ho <jiajie.ho@starfivetech.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Lukasz Stelmach <l.stelmach@samsung.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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