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| author |   Hiromitsu Yamasaki <hiromitsu.yamasaki.ym@renesas.com> | 2017-11-02 10:32:36 +0100 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2017-11-02 11:25:44 +0000 |
| commit | 36735783fdb599c94b9c86824583df367c65900b (patch) | |
| tree | e496e1d75f1aadf8d01bff1d4ac36626060f1eab /drivers/spi | |
| parent | Linux 4.14-rc1 (diff) | |
| download | linux-dev-36735783fdb599c94b9c86824583df367c65900b.tar.xz linux-dev-36735783fdb599c94b9c86824583df367c65900b.zip | |
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.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 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 { |