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mirror_ubuntu-kernels/drivers/counter
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Nuno Sa c83ccdc958 counter: fix privdata alignment 
Aligning to the L1 cache does not guarantee the same alignment as
kmallocing an object [1]. Furthermore, in some platforms, that
alignment is not sufficient for DMA safety (in case someone wants
to have a DMA safe buffer in privdata) [2].

Sometime ago, we had the same fixes in IIO.

[1]: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/base/devres.c#n35
[2]: https://lore.kernel.org/linux-iio/20220508175712.647246-2-jic23@kernel.org/

Fixes: c18e276030 ("counter: Provide alternative counter registration functions")
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240209-counter-align-fix-v2-1-5777ea0a2722@analog.com
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
2024-02-16 18:51:00 -05:00
..
104-quad-8.c counter: 104-quad-8: Migrate to the regmap API 2023-05-18 20:39:46 -04:00
counter-chrdev.c counter: chrdev: fix getting array extensions 2023-09-04 14:56:27 -04:00
counter-chrdev.h counter: Add character device interface 2021-10-17 10:53:52 +01:00
counter-core.c counter: fix privdata alignment 2024-02-16 18:51:00 -05:00
counter-sysfs.c counter: i8254: Introduce the Intel 8254 interface library module 2023-06-08 10:11:17 -04:00
counter-sysfs.h counter: Internalize sysfs interface code 2021-10-17 10:52:58 +01:00
ftm-quaddec.c counter: Move symbols into COUNTER namespace 2022-09-30 14:32:35 +02:00
i8254.c counter: i8254: Introduce the Intel 8254 interface library module 2023-06-08 10:11:17 -04:00
intel-qep.c counter: Move symbols into COUNTER namespace 2022-09-30 14:32:35 +02:00
interrupt-cnt.c counter: interrupt-cnt: Implement watch_validate callback 2022-09-30 14:32:35 +02:00
Kconfig - New Drivers 2023-09-04 13:47:59 -07:00
Makefile counter: i8254: Introduce the Intel 8254 interface library module 2023-06-08 10:11:17 -04:00
microchip-tcb-capture.c First set of Counter fixes for 6.6 2023-10-02 13:13:15 +02:00
rz-mtu3-cnt.c counter: rz-mtu3-cnt: Reorder locking sequence for consistency 2023-08-16 09:41:29 -04:00
stm32-lptimer-cnt.c counter: stm32-lptimer-cnt: fix the check on arr and cmp registers update 2022-11-26 16:49:28 -05:00
stm32-timer-cnt.c counter: stm32-timer-cnt: Reset TIM_TISEL to its default value in probe 2023-05-09 19:17:17 -04:00
ti-ecap-capture.c counter: ti-ecap-capture: fix IS_ERR() vs NULL check 2022-10-17 09:51:29 -04:00
ti-eqep.c counter: Move symbols into COUNTER namespace 2022-09-30 14:32:35 +02:00