spi: core: use gpio_is_valid() helper

Check if GPIO pin is valid by API helper function.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 64c1aedde481..9136f30a9fbd 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -606,7 +606,7 @@ static void spi_set_cs(struct spi_device *spi, bool enable)
         if (spi->mode & SPI_CS_HIGH)
                 enable = !enable;
 
-        if (spi->cs_gpio >= 0)
+        if (gpio_is_valid(spi->cs_gpio))
                 gpio_set_value(spi->cs_gpio, !enable);
         else if (spi->master->set_cs)
                 spi->master->set_cs(spi, !enable);