arch/mips/bcm47xx/workarounds.c

   1 #include "bcm47xx_private.h"
   2
   3 #include <linux/gpio.h>
   4 #include <bcm47xx_board.h>
   5 #include <bcm47xx.h>
   6
   7 static void __init bcm47xx_workarounds_enable_usb_power(int usb_power)
   8 {
   9         int err;
  10
  11         err = gpio_request_one(usb_power, GPIOF_OUT_INIT_HIGH, "usb_power");
  12         if (err)
  13                 pr_err("Failed to request USB power gpio: %d\n", err);
  14         else
  15                 gpio_free(usb_power);
  16 }
  17
  18 void __init bcm47xx_workarounds(void)
  19 {
  20         enum bcm47xx_board board = bcm47xx_board_get();
  21
  22         switch (board) {
  23         case BCM47XX_BOARD_NETGEAR_WNR3500L:
  24                 bcm47xx_workarounds_enable_usb_power(12);
  25                 break;
  26         case BCM47XX_BOARD_NETGEAR_WNDR3400_V3:
  27                 bcm47xx_workarounds_enable_usb_power(21);
  28                 break;
  29         default:
  30                 /* No workaround(s) needed */
  31                 break;
  32         }
  33 }