[PATCH v2 5/8] spi: stm32: clean up buffer length assignment

Patrice CHOTARD patrice.chotard at foss.st.com
Wed Feb 25 10:51:44 CET 2026



On 2/21/26 10:42, Dario Binacchi wrote:
> 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>
> ---
> 
> (no changes since v1)
> 
>  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)

Hi Dario

Reviewed-by: Patrice Chotard <patrice.chotard at foss.st.com>

Thanks
Patrice


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