From: Arvind Yadav <arvind.yadav.cs@gmail.com>
Date: Fri, 27 Apr 2018 11:02:17 +0000 (+0530)
Subject: spi: mpc52xx: Use gpio_is_valid()
X-Git-Tag: v4.18-rc1~184^2~23
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=0a090d6537d3ac14391e7aeaf025b725e72a9675;p=linux.git

spi: mpc52xx: Use gpio_is_valid()

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

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---

diff --git a/drivers/spi/spi-mpc52xx.c b/drivers/spi/spi-mpc52xx.c
index e8b59ce4dc3a..0e55784a3ad9 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;