Commit 0c5ab04a authored by Tudor Ambarus's avatar Tudor Ambarus Committed by Zheng Zengkai
Browse files

spi: atmel-quadspi: Fix the buswidth adjustment between spi-mem and controller 

stable inclusion
from stable-v5.10.113
commit dccee748af17fc087ff5017152e532ef8e18c8c0
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I5ISAH

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=dccee748af17fc087ff5017152e532ef8e18c8c0



--------------------------------

commit 8c235cc2 upstream.

Use the spi_mem_default_supports_op() core helper in order to take into
account the buswidth specified by the user in device tree.

Cc: <stable@vger.kernel.org>
Fixes: 0e6aae08 ("spi: Add QuadSPI driver for Atmel SAMA5D2")
Signed-off-by: default avatarTudor Ambarus <tudor.ambarus@microchip.com>
Link: https://lore.kernel.org/r/20220406133604.455356-1-tudor.ambarus@microchip.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
Acked-by: default avatarXie XiuQi <xiexiuqi@huawei.com>
parent f120da4c

drivers/spi/atmel-quadspi.c

+3 −0
Original line number Diff line number Diff line
@@ -277,6 +277,9 @@ static int atmel_qspi_find_mode(const struct spi_mem_op *op) 
static bool atmel_qspi_supports_op(struct spi_mem *mem,

				   const struct spi_mem_op *op)

{

	if (!spi_mem_default_supports_op(mem, op))

		return false;



	if (atmel_qspi_find_mode(op) < 0)

		return false;