spi: st-ssc4: Remove duplicate code to test unsupported mode bits

spi_setup() will test unsupported mode bits before calling spi->master->setup.
Thus remove duplicate code to test unsupported mode bits in spi_st_setup().

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 0 insertions, 6 deletions

diff --git a/drivers/spi/spi-st-ssc4.c b/drivers/spi/spi-st-ssc4.c
index 8f8770a97ba7..2faeaa7b57a8 100644
--- a/drivers/spi/spi-st-ssc4.c
+++ b/drivers/spi/spi-st-ssc4.c
@@ -217,12 +217,6 @@ static int spi_st_setup(struct spi_device *spi)
         int cs = spi->cs_gpio;
         int ret;
 
-        if (spi->mode & ~MODEBITS) {
-                dev_err(&spi->dev, "unsupported mode bits 0x%x\n",
-                        spi->mode & ~MODEBITS);
-                return -EINVAL;
-        }
-
         if (!hz)  {
                 dev_err(&spi->dev, "max_speed_hz unspecified\n");
                 return -EINVAL;