[PATCH v2] MXC: mach_armadillo5x0: Add USB Host support.
From: Russell King - ARM Linux <hidden>
Date: 2010-02-25 21:58:54
From: Russell King - ARM Linux <hidden>
Date: 2010-02-25 21:58:54
On Thu, Feb 25, 2010 at 10:41:44AM +0100, Alberto Panizzo wrote:
+ if (gpio_direction_output(OTG_RESET, 1/*HIGH*/)) {
+ pr_warning("Failed to reset usbotg phy \n");
+ return -1;Always propagate error codes. Don't invent your own - especially when they mean "permission denied".
+ if (gpio_direction_output(USBH2_RESET, 1/*HIGH*/)) {
+ pr_warning("Failed to reset usbh2 phy \n");
+ return -1;Ditto. Never use -1 as an error code - always use a proper error code from errno*.h