[PATCH v3 5/9] spi: stm32: clean up buffer length assignment

Dario Binacchi dario.binacchi at amarulasolutions.com
Wed Feb 25 17:16:56 CET 2026


Remove redundant divisions by using the already available xferlen
variable for setting the rx/tx buffer lengths.

Signed-off-by: Dario Binacchi <dario.binacchi at amarulasolutions.com>
Reviewed-by: Patrice Chotard <patrice.chotard at foss.st.com>

---

Changes in v3:
- Add Reviewed-by tag of Patrice Chotard

 drivers/spi/stm32_spi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/spi/stm32_spi.c b/drivers/spi/stm32_spi.c
index a1f31cf653c7..adba97915cd3 100644
--- a/drivers/spi/stm32_spi.c
+++ b/drivers/spi/stm32_spi.c
@@ -404,8 +404,8 @@ static int stm32_spi_xfer(struct udevice *slave, unsigned int bitlen,
 
 	priv->tx_buf = dout;
 	priv->rx_buf = din;
-	priv->tx_len = priv->tx_buf ? bitlen / 8 : 0;
-	priv->rx_len = priv->rx_buf ? bitlen / 8 : 0;
+	priv->tx_len = priv->tx_buf ? xferlen : 0;
+	priv->rx_len = priv->rx_buf ? xferlen : 0;
 
 	mode = SPI_FULL_DUPLEX;
 	if (!priv->tx_buf)
-- 
2.43.0



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