summaryrefslogtreecommitdiff
path: root/drivers/spi
diff options
context:
space:
mode:
authorChristophe Leroy <christophe.leroy@csgroup.eu>2023-04-01 19:59:50 +0200
committerMark Brown <broonie@kernel.org>2023-04-05 12:33:36 +0100
commit4084c8ca1266ba09554de8df19aac82b6dd2e079 (patch)
tree334d2bb8a8e71d43241e8f261a1761ceee8b93f1 /drivers/spi
parent99aebb3c1b418d865461aa0813ef1b55285cbda4 (diff)
spi: fsl-spi: No need to check transfer length versus word size
The verification is already do in the SPI core by function __spi_validate(), not it to check it again in fsl_spi_bufs(). Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Link: https://lore.kernel.org/r/9ace69a8085e22fafd9159e99edd7bbfae2f9940.1680371809.git.christophe.leroy@csgroup.eu Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi-fsl-spi.c12
1 files changed, 2 insertions, 10 deletions
diff --git a/drivers/spi/spi-fsl-spi.c b/drivers/spi/spi-fsl-spi.c
index e64c5f5452d0..106fe60a0a50 100644
--- a/drivers/spi/spi-fsl-spi.c
+++ b/drivers/spi/spi-fsl-spi.c
@@ -263,18 +263,10 @@ static int fsl_spi_bufs(struct spi_device *spi, struct spi_transfer *t,
if (t->bits_per_word)
bits_per_word = t->bits_per_word;
- if (bits_per_word > 8) {
- /* invalid length? */
- if (len & 1)
- return -EINVAL;
+ if (bits_per_word > 8)
len /= 2;
- }
- if (bits_per_word > 16) {
- /* invalid length? */
- if (len & 1)
- return -EINVAL;
+ if (bits_per_word > 16)
len /= 2;
- }
mpc8xxx_spi->tx = t->tx_buf;
mpc8xxx_spi->rx = t->rx_buf;