[PATCH] spi: mpc52xx: Use gpio_is_valid()

[Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>]

Replace the manual validity checks for the GPIO with the
gpio_is_valid().

Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
---
 drivers/spi/spi-mpc52xx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/spi/spi-mpc52xx.c b/drivers/spi/spi-mpc52xx.c
index e8b59ce..0e55784 100644
--- a/drivers/spi/spi-mpc52xx.c
+++ b/drivers/spi/spi-mpc52xx.c
@@ -447,7 +447,7 @@ static int mpc52xx_spi_probe(struct platform_device *op)
 
 		for (i = 0; i < ms->gpio_cs_count; i++) {
 			gpio_cs = of_get_gpio(op->dev.of_node, i);
-			if (gpio_cs < 0) {
+			if (!gpio_is_valid(gpio_cs)) {
 				dev_err(&op->dev,
 					"could not parse the gpio field in oftree\n");
 				rc = -ENODEV;
-- 
1.9.1

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