ar71xx: add preliminary support for Mikrotik RB2011L
[openwrt/svn-archive/archive.git] / 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 @@ -282,3 +283,26 @@ 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 */