+--- a/arch/mips/ath79/dev-usb.c
++++ b/arch/mips/ath79/dev-usb.c
+@@ -15,6 +15,7 @@
+ #include <linux/init.h>
+ #include <linux/delay.h>
+ #include <linux/irq.h>
++#include <linux/gpio.h>
+ #include <linux/dma-mapping.h>
+ #include <linux/platform_device.h>
+ #include <linux/usb/ehci_pdriver.h>
+@@ -236,3 +237,26 @@ void __init ath79_register_usb(void)
+ else
+ BUG();
+ }
++
++void __init ath79_set_usb_power_gpio(unsigned int gpio, unsigned long flags,
++ const char *label)
++{
++ int err;
++
++ err = gpio_request_one(gpio, flags, label);
++ if (err) {
++ pr_err("ath79: can't setup GPIO%u (%s), err=%d\n",
++ gpio, label, err);
++ return;
++ }
++
++ err = gpio_export(gpio, false);
++ if (err) {
++ pr_err("ath79: can't export GPIO%u (%s), err=%d\n",
++ gpio, label, err);
++ }
++
++ return;
++}
++
++
+--- a/arch/mips/ath79/dev-usb.h
++++ b/arch/mips/ath79/dev-usb.h
+@@ -13,5 +13,7 @@
+ #define _ATH79_DEV_USB_H
+
+ void ath79_register_usb(void);
++void ath79_set_usb_power_gpio(unsigned int gpio, unsigned long flags,
++ const char *label);
+
+ #endif /* _ATH79_DEV_USB_H */