diff options
| author | Hiromitsu Yamasaki <hiromitsu.yamasaki.ym@renesas.com> | 2017-11-02 10:32:36 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-12-09 18:42:39 +0100 |
| commit | b6ca48b5cd08a6dbeab8249e83dfd16b9eb87184 (patch) | |
| tree | 62fcfc961fb2dfb91564ca41a1c0428bd0be8e91 | |
| parent | a96c19f5ba09e839eb6af1bccd8cea0bc00fbabc (diff) | |
spi: sh-msiof: Fix DMA transfer size check
[ 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.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>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/spi/spi-sh-msiof.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c index d22de4c8c399..3de39bd794b6 100644 --- a/drivers/spi/spi-sh-msiof.c +++ b/drivers/spi/spi-sh-msiof.c @@ -863,7 +863,7 @@ 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 { |