[PATCH v2] staging: greybus: Use gpio_is_valid()

[Arvind Yadav]

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

Signed-off-by: Arvind Yadav <arvind.yadav.cs at gmail.com>
---
chnage in v2 :
             Returning invalid gpio as error instead of -ENODEV.

 drivers/staging/greybus/arche-platform.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/greybus/arche-platform.c b/drivers/staging/greybus/arche-platform.c
index 83254a7..c3a7da5 100644
--- a/drivers/staging/greybus/arche-platform.c
+++ b/drivers/staging/greybus/arche-platform.c
@@ -448,7 +448,7 @@ static int arche_platform_probe(struct platform_device *pdev)
 	arche_pdata->svc_reset_gpio = of_get_named_gpio(np,
 							"svc,reset-gpio",
 							0);
-	if (arche_pdata->svc_reset_gpio < 0) {
+	if (!gpio_is_valid(arche_pdata->svc_reset_gpio)) {
 		dev_err(dev, "failed to get reset-gpio\n");
 		return arche_pdata->svc_reset_gpio;
 	}
@@ -468,7 +468,7 @@ static int arche_platform_probe(struct platform_device *pdev)
 	arche_pdata->svc_sysboot_gpio = of_get_named_gpio(np,
 							  "svc,sysboot-gpio",
 							  0);
-	if (arche_pdata->svc_sysboot_gpio < 0) {
+	if (!gpio_is_valid(arche_pdata->svc_sysboot_gpio)) {
 		dev_err(dev, "failed to get sysboot gpio\n");
 		return arche_pdata->svc_sysboot_gpio;
 	}
@@ -487,7 +487,7 @@ static int arche_platform_probe(struct platform_device *pdev)
 	arche_pdata->svc_refclk_req = of_get_named_gpio(np,
 							"svc,refclk-req-gpio",
 							0);
-	if (arche_pdata->svc_refclk_req < 0) {
+	if (!gpio_is_valid(arche_pdata->svc_refclk_req)) {
 		dev_err(dev, "failed to get svc clock-req gpio\n");
 		return arche_pdata->svc_refclk_req;
 	}
-- 
2.7.4