From 1a1121158f8f960cfb93100ad38ecf8f2ca81b9d Mon Sep 17 00:00:00 2001
From: Gabor Juhos <juhosg@openwrt.org>
Date: Tue, 19 Jun 2012 10:13:41 +0000
Subject: ar71xx: add a common function to configure USB power GPIOs

SVN-Revision: 32454
---
 ...1-MIPS-ath79-add-ath79_set_usb_power_gpio.patch | 47 ++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 target/linux/ar71xx/patches-3.3/511-MIPS-ath79-add-ath79_set_usb_power_gpio.patch

(limited to 'target/linux/ar71xx/patches-3.3')

diff --git a/target/linux/ar71xx/patches-3.3/511-MIPS-ath79-add-ath79_set_usb_power_gpio.patch b/target/linux/ar71xx/patches-3.3/511-MIPS-ath79-add-ath79_set_usb_power_gpio.patch
new file mode 100644
index 0000000000..fa81789713
--- /dev/null
+++ b/target/linux/ar71xx/patches-3.3/511-MIPS-ath79-add-ath79_set_usb_power_gpio.patch
@@ -0,0 +1,47 @@
+--- a/arch/mips/ath79/dev-usb.c
++++ b/arch/mips/ath79/dev-usb.c
+@@ -15,6 +15,7 @@
+ #include <linux/init.h>
+ #include <linux/delay.h>
+ #include <linux/irq.h>
++#include <linux/gpio.h>
+ #include <linux/dma-mapping.h>
+ #include <linux/platform_device.h>
+ #include <linux/usb/ehci_pdriver.h>
+@@ -236,3 +237,26 @@ void __init ath79_register_usb(void)
+ 	else
+ 		BUG();
+ }
++
++void __init ath79_set_usb_power_gpio(unsigned int gpio, unsigned long flags,
++				     const char *label)
++{
++	int err;
++
++	err = gpio_request_one(gpio, flags, label);
++	if (err) {
++		pr_err("ath79: can't setup GPIO%u (%s), err=%d\n",
++			gpio, label, err);
++		return;
++	}
++
++	err = gpio_export(gpio, false);
++	if (err) {
++		pr_err("ath79: can't export GPIO%u (%s), err=%d\n",
++			gpio, label, err);
++	}
++
++	return;
++}
++
++
+--- a/arch/mips/ath79/dev-usb.h
++++ b/arch/mips/ath79/dev-usb.h
+@@ -13,5 +13,7 @@
+ #define _ATH79_DEV_USB_H
+ 
+ void ath79_register_usb(void);
++void ath79_set_usb_power_gpio(unsigned int gpio, unsigned long flags,
++			      const char *label);
+ 
+ #endif /* _ATH79_DEV_USB_H */
-- 
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