target/linux/ar71xx/patches-3.3/511-MIPS-ath79-add-ath79_set_usb_power_gpio.patch

   1 --- a/arch/mips/ath79/dev-usb.c
   2 +++ b/arch/mips/ath79/dev-usb.c
   3 @@ -15,6 +15,7 @@
   4  #include <linux/init.h>
   5  #include <linux/delay.h>
   6  #include <linux/irq.h>
   7 +#include <linux/gpio.h>
   8  #include <linux/dma-mapping.h>
   9  #include <linux/platform_device.h>
  10  #include <linux/usb/ehci_pdriver.h>
  11 @@ -236,3 +237,26 @@ void __init ath79_register_usb(void)
  12         else
  13                 BUG();
  14  }
  15 +
  16 +void __init ath79_set_usb_power_gpio(unsigned int gpio, unsigned long flags,
  17 +                                    const char *label)
  18 +{
  19 +       int err;
  20 +
  21 +       err = gpio_request_one(gpio, flags, label);
  22 +       if (err) {
  23 +               pr_err("ath79: can't setup GPIO%u (%s), err=%d\n",
  24 +                       gpio, label, err);
  25 +               return;
  26 +       }
  27 +
  28 +       err = gpio_export(gpio, false);
  29 +       if (err) {
  30 +               pr_err("ath79: can't export GPIO%u (%s), err=%d\n",
  31 +                       gpio, label, err);
  32 +       }
  33 +
  34 +       return;
  35 +}
  36 +
  37 +
  38 --- a/arch/mips/ath79/dev-usb.h
  39 +++ b/arch/mips/ath79/dev-usb.h
  40 @@ -13,5 +13,7 @@
  41  #define _ATH79_DEV_USB_H
  42
  43  void ath79_register_usb(void);
  44 +void ath79_set_usb_power_gpio(unsigned int gpio, unsigned long flags,
  45 +                             const char *label);
  46
  47  #endif /* _ATH79_DEV_USB_H */