USB_RESET_B 391 arch/arm/mach-imx/mach-mx31moboard.c gpio_request(USB_RESET_B, "usb-reset"); USB_RESET_B 392 arch/arm/mach-imx/mach-mx31moboard.c gpio_direction_output(USB_RESET_B, 0); USB_RESET_B 394 arch/arm/mach-imx/mach-mx31moboard.c gpio_set_value(USB_RESET_B, 1);