4.14-stable review patch. If anyone has any objections, please let me know.
------------------
From: Hiromitsu Yamasaki <hiromitsu.yamasaki...@renesas.com>
[ Upstream commit 36735783fdb599c94b9c86824583df367c65900b ]
DMA supports 32-bit words only,
even if BITLEN1 of SITMDR2 register is 16bit.
Fixes: b0d0ce8b6b91 ("spi: sh-msiof: Add DMA support")
Signed-off-by: Hiromitsu Yamasaki <hiromitsu.yamasaki...@renesas.com>
Signed-off-by: Simon Horman <horms+rene...@verge.net.au>
Acked-by: Geert Uytterhoeven <geert+rene...@glider.be>
Acked-by: Dirk Behme <dirk.be...@de.bosch.com>
Signed-off-by: Mark Brown <broo...@kernel.org>
Signed-off-by: Sasha Levin <alexander.le...@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/spi/spi-sh-msiof.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/spi/spi-sh-msiof.c
+++ b/drivers/spi/spi-sh-msiof.c
@@ -900,7 +900,7 @@ static int sh_msiof_transfer_one(struct
break;
copy32 = copy_bswap32;
} else if (bits <= 16) {
- if (l & 1)
+ if (l & 3)
break;
copy32 = copy_wswap32;
} else {
