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| author | Alain Volmat <alain.volmat@foss.st.com> | 2021-07-07 10:27:03 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-07-11 23:51:40 +0100 |
| commit | 70526e0b7601792bf546044fff92c368112f1d3f (patch) | |
| tree | c1c51fed1a40988dc9dd4dfa430b23826b2cdd5b /drivers/spi/spi-stm32.c | |
| parent | 9d5354145104cf392568a948c5ce2cb97f373fd7 (diff) | |
| download | lwn-70526e0b7601792bf546044fff92c368112f1d3f.tar.gz lwn-70526e0b7601792bf546044fff92c368112f1d3f.zip | |
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.c | 4 |
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; |