commit 243f07be2423efe0b17e8ffafc9a36dad50406d3
author Andy Shevchenko <andriy.shevchenko@linux.intel.com> Tue Oct 20 12:28:29 2015 +0300
committer Mark Brown <broonie@kernel.org> Wed Oct 21 13:27:37 2015 +0100
tree 9ea3ea58dbb9ca116b45e8a179b6faa3729df5fe
parent 5ab8d262122bc951b308e51cdcc55bc67b1f5fdb

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>

drivers/spi/spi.c

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 64c1aed..9136f30 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -606,7 +606,7 @@
 	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);