From: blogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Wed, 18 Sep 2013 16:31:49 +0000 (+0000)
Subject: lantiq: fix bug in hcd gpio detetcion code
X-Git-Url: http://git.ozo.com/?a=commitdiff_plain;ds=sidebyside;h=97d8844cbbabc8abe4658e1bde0aa6d28dd0fe94;p=openwrt-working-2016%2F.git

lantiq: fix bug in hcd gpio detetcion code

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38043 3c298f89-4303-0410-b956-a3cf2f4a3e73
---

diff --git a/package/kernel/lantiq/ltq-hcd/src/ifxusb_driver.c b/package/kernel/lantiq/ltq-hcd/src/ifxusb_driver.c
index 97f282db6c..425b3a986e 100644
--- a/package/kernel/lantiq/ltq-hcd/src/ifxusb_driver.c
+++ b/package/kernel/lantiq/ltq-hcd/src/ifxusb_driver.c
@@ -469,7 +469,7 @@ static int ifxusb_driver_probe(struct platform_device *_pdev)
 	#endif*/
 
 	gpio_count = of_gpio_count(np);
-	while (gpio_count) {
+	while (gpio_count > 0) {
 		enum of_gpio_flags flags;
 		int gpio = of_get_gpio_flags(np, --gpio_count, &flags);
 		if (gpio_request(gpio, "usb"))