Check if GPIO pin is valid by API helper function.
Signed-off-by: Andy Shevchenko <[email protected]>
---
drivers/spi/spi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index e900164..33836ee8 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -668,7 +668,7 @@ 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);
--
2.6.1
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