spi: stm32: do not mandate cs_gpio

CS gpios is not mandatory, the driver should allow working
even when CS are not given.

Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Link: https://lore.kernel.org/r/1612551572-495-3-git-send-email-alain.volmat@foss.st.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-stm32.c b/drivers/spi/spi-stm32.c
index 6cdecd1c5ec79d2ad62fde26076adfb685944e2d..2b4ea4cba00b2f75c31ae306d3d03a2197b602ed 100644 (file)
--- a/drivers/spi/spi-stm32.c
+++ b/drivers/spi/spi-stm32.c
@@ -1944,12 +1944,6 @@ static int stm32_spi_probe(struct platform_device *pdev)
                goto err_pm_disable;
        }
 
-       if (!master->cs_gpiods) {
-               dev_err(&pdev->dev, "no CS gpios available\n");
-               ret = -EINVAL;
-               goto err_pm_disable;
-       }
-
        dev_info(&pdev->dev, "driver initialized\n");
 
        return 0;