[PATCH 05/10] drivers/spi: Use ARCH_DMA_MINALIGN instead of ARCH_KMALLOC_MINALIGN

Catalin Marinas
2022-04-05T20:23:26Z

ARCH_DMA_MINALIGN represents the minimum (static) alignment for safe DMA
operations while ARCH_KMALLOC_MINALIGN is the minimum kmalloc() objects
alignment.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Mark Brown <broonie@kernel.org>
---
drivers/spi/spidev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c
index 53a551714265..4baea157949b 100644
--- a/drivers/spi/spidev.c
+++ b/drivers/spi/spidev.c
@@ -227,7 +227,7 @@ static int spidev_message(struct spidev_data *spidev,
/* Ensure that also following allocations from rx_buf/tx_buf will meet
* DMA alignment requirements.
*/
- unsigned int len_aligned = ALIGN(u_tmp->len, ARCH_KMALLOC_MINALIGN);
+ unsigned int len_aligned = ALIGN(u_tmp->len, ARCH_DMA_MINALIGN);

k_tmp->len = u_tmp->len;