summaryrefslogtreecommitdiff
path: root/drivers/spi
diff options
context:
space:
mode:
authorHiromitsu Yamasaki <hiromitsu.yamasaki.ym@renesas.com>2017-11-02 10:32:36 +0100
committerMark Brown <broonie@kernel.org>2017-11-02 11:25:44 +0000
commit36735783fdb599c94b9c86824583df367c65900b (patch)
treee496e1d75f1aadf8d01bff1d4ac36626060f1eab /drivers/spi
parent2bd6bf03f4c1c59381d62c61d03f6cc3fe71f66e (diff)
spi: sh-msiof: Fix DMA transfer size check
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.ym@renesas.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Dirk Behme <dirk.behme@de.bosch.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi-sh-msiof.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c
index 0eb1e9583485..837bb95eea62 100644
--- 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 spi_master *master,
break;
copy32 = copy_bswap32;
} else if (bits <= 16) {
- if (l & 1)
+ if (l & 3)
break;
copy32 = copy_wswap32;
} else {