summaryrefslogtreecommitdiff
path: root/drivers/spi/spi-stm32.c
diff options
context:
space:
mode:
authorAlain Volmat <alain.volmat@foss.st.com>2021-07-07 10:27:03 +0200
committerMark Brown <broonie@kernel.org>2021-07-11 23:51:40 +0100
commit70526e0b7601792bf546044fff92c368112f1d3f (patch)
treec1c51fed1a40988dc9dd4dfa430b23826b2cdd5b /drivers/spi/spi-stm32.c
parent9d5354145104cf392568a948c5ce2cb97f373fd7 (diff)
spi: stm32: Revert "properly handle 0 byte transfer"
0 byte transfer handling is now done within the core in code added by commit b306320322c9 ("spi: Skip zero-length transfers in spi_transfer_one_message()") This reverts commit 2269f5a8b1a7 ("spi: stm32: properly handle 0 byte transfer") Signed-off-by: Alain Volmat <alain.volmat@foss.st.com> Link: https://lore.kernel.org/r/1625646426-5826-5-git-send-email-alain.volmat@foss.st.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-stm32.c')
-rw-r--r--drivers/spi/spi-stm32.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/spi/spi-stm32.c b/drivers/spi/spi-stm32.c
index 4dbd5cbe0c11..d37bfead4d8c 100644
--- a/drivers/spi/spi-stm32.c
+++ b/drivers/spi/spi-stm32.c
@@ -1647,10 +1647,6 @@ static int stm32_spi_transfer_one(struct spi_master *master,
struct stm32_spi *spi = spi_master_get_devdata(master);
int ret;
- /* Don't do anything on 0 bytes transfers */
- if (transfer->len == 0)
- return 0;
-
spi->tx_buf = transfer->tx_buf;
spi->rx_buf = transfer->rx_buf;
spi->tx_len = spi->tx_buf ? transfer->len : 0;