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> --- drivers/spi/spi-sh-msiof.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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 { -- 2.11.0