spi: spi-fsl-lpspi: fsl_lpspi_setup_transfer(): remove useless spi_transfer NULL...

fsl_lpspi_setup_transfer() is either called via:

| fsl_lpspi_prepare_message()
| -> fsl_lpspi_setup_transfer()

or

| -> spi_transfer_one_message()
| -> controller->transfer_one == fsl_lpspi_transfer_one()
| -> fsl_lpspi_setup_transfer()

The first call path already has a spi_transfer NULL pointer check, the
second one explicitly iterates over all spi_transfer of the spi_message.

Simplify the code by removing the useless NULL pointer check.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Link: https://patch.msgid.link/20260319-spi-fsl-lpspi-cleanups-v2-7-02b56c5d44a8@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-fsl-lpspi.c b/drivers/spi/spi-fsl-lpspi.c
index 25e657227013202c062d301f1ea260abb3092d2f..904195f7b050989d577b37ea42bed6fdc343381e 100644 (file)
--- a/drivers/spi/spi-fsl-lpspi.c
+++ b/drivers/spi/spi-fsl-lpspi.c
@@ -471,9 +471,6 @@ static int fsl_lpspi_setup_transfer(struct spi_controller *controller,
        struct fsl_lpspi_data *fsl_lpspi =
                                spi_controller_get_devdata(spi->controller);
 
-       if (t == NULL)
-               return -EINVAL;
-
        fsl_lpspi->config.mode = spi->mode;
        fsl_lpspi->config.bpw = t->bits_per_word;
        fsl_lpspi->config.speed_hz = t->speed_hz;