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 22:01:48 +0100 |
| commit | b3d7cc5a84b438cf738fe89310cac92f7f8dc7fe (patch) | |
| tree | 9651bb92cad9c8964035b4b219989f9a93043cd7 /drivers/spi | |
| parent | ee08fca9a14d846120d5c00af803002dbac8223b (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>
Diffstat (limited to 'drivers/spi')
| -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 1de3a772eb7d..cbf02ebb30a2 100644 --- a/drivers/spi/spi-sh-msiof.c +++ b/drivers/spi/spi-sh-msiof.c @@ -862,7 +862,7 @@ 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 { |