LXR linux/arch/mips/bcm47xx/workarounds.c

   1// SPDX-License-Identifier: GPL-2.0
   2#include "bcm47xx_private.h"
   3
   4#include <linux/gpio.h>
   5#include <bcm47xx_board.h>
   6#include <bcm47xx.h>
   7
   8static void __init bcm47xx_workarounds_enable_usb_power(int usb_power)
   9{
  10        int err;
  11
  12        err = gpio_request_one(usb_power, GPIOF_OUT_INIT_HIGH, "usb_power");
  13        if (err)
  14                pr_err("Failed to request USB power gpio: %d\n", err);
  15        else
  16                gpio_free(usb_power);
  17}
  18
  19void __init bcm47xx_workarounds(void)
  20{
  21        enum bcm47xx_board board = bcm47xx_board_get();
  22
  23        switch (board) {
  24        case BCM47XX_BOARD_NETGEAR_WNR3500L:
  25                bcm47xx_workarounds_enable_usb_power(12);
  26                break;
  27        case BCM47XX_BOARD_NETGEAR_WNDR3400V2:
  28        case BCM47XX_BOARD_NETGEAR_WNDR3400_V3:
  29                bcm47xx_workarounds_enable_usb_power(21);
  30                break;
  31        default:
  32                /* No workaround(s) needed */
  33                break;
  34        }
  35}
  36