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>
This commit is contained in:
Andy Shevchenko 2015-10-20 12:28:29 +03:00 committed by Mark Brown
parent 5ab8d26212
commit 243f07be24
1 changed files with 1 additions and 1 deletions
drivers/spi

View File

@ -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);