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v6.8
 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	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}
v4.17
 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_netgear_wnr3500l(void)
 9{
10	const int usb_power = 12;
11	int err;
12
13	err = gpio_request_one(usb_power, GPIOF_OUT_INIT_HIGH, "usb_power");
14	if (err)
15		pr_err("Failed to request USB power gpio: %d\n", err);
16	else
17		gpio_free(usb_power);
18}
19
20void __init bcm47xx_workarounds(void)
21{
22	enum bcm47xx_board board = bcm47xx_board_get();
23
24	switch (board) {
25	case BCM47XX_BOARD_NETGEAR_WNR3500L:
26		bcm47xx_workarounds_netgear_wnr3500l();
 
 
 
 
 
27		break;
28	default:
29		/* No workaround(s) needed */
30		break;
31	}
32}