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
8 static 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
19 void __init bcm47xx_workarounds(void)
20 {
21 enum bcm47xx_board board = bcm47xx_board_get();
22
23 switch (board) {
24 case BCM47XX_BOARD_NETGEAR_WNR3500L:
25 case BCM47XX_BOARD_NETGEAR_WNR3500L_V2:
26 bcm47xx_workarounds_enable_usb_power(12);
27 break;
28 case BCM47XX_BOARD_NETGEAR_WNDR3400V2:
29 case BCM47XX_BOARD_NETGEAR_WNDR3400_V3:
30 bcm47xx_workarounds_enable_usb_power(21);
31 break;
32 default:
33 /* No workaround(s) needed */
34 break;
35 }
36 }
37
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.