UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

iio: accel: sca3300: Fix alignment for DMA safety 

____cacheline_aligned is insufficient guarantee for non-coherent DMA.
Switch to the updated IIO_DMA_MINALIGN definition.

Fixes: 9cc9806e22 ("iio: accel: Add driver for Murata SCA3300 accelerometer")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Tomas Melin <tomas.melin@vaisala.com>
Acked-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220508175712.647246-9-jic23@kernel.org
This commit is contained in:
Jonathan Cameron 2022-05-08 18:55:48 +01:00
parent a263456f0e
commit b1d3a80663
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/iio/accel/sca3300.c
View File

@ -196,7 +196,7 @@ struct sca3300_data {
s16 channels[4]; s16 channels[4];
s64 ts __aligned(sizeof(s64)); s64 ts __aligned(sizeof(s64));
} scan; } scan;
u8 txbuf[4] ____cacheline_aligned; u8 txbuf[4] __aligned(IIO_DMA_MINALIGN);
u8 rxbuf[4]; u8 rxbuf[4];
}; };