1 files changed, 45 insertions, 0 deletions
diff --git a/target/linux/bcm53xx/patches-4.1/813-USB-bcma-fix-setting-VCC-GPIO-value.patch b/target/linux/bcm53xx/patches-4.1/813-USB-bcma-fix-setting-VCC-GPIO-value.patch
new file mode 100644
index 0000000000..9ba3bdeece
--- /dev/null
+++ b/target/linux/bcm53xx/patches-4.1/813-USB-bcma-fix-setting-VCC-GPIO-value.patch
@@ -0,0 +1,45 @@
+From bdc3b01d94b22f8b5f9621a1c37336e78f4f1bce Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
+Date: Sun, 21 Jun 2015 12:09:57 +0200
+Subject: [PATCH] USB: bcma: fix setting VCC GPIO value
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+It wasn't working (on most of devices?) without setting GPIO direction
+and wasn't respecting ACTIVE_LOW flag.
+
+Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
+---
+ drivers/usb/host/bcma-hcd.c | 13 +++++++++----
+ 1 file changed, 9 insertions(+), 4 deletions(-)
+
+--- a/drivers/usb/host/bcma-hcd.c
++++ b/drivers/usb/host/bcma-hcd.c
+@@ -230,17 +230,22 @@ static void bcma_hcd_init_chip_arm(struc
+ 
+ static void bcma_hci_platform_power_gpio(struct bcma_device *dev, bool val)
+ {
++	enum of_gpio_flags of_flags;
+ 	int gpio;
+ 
+-	gpio = of_get_named_gpio(dev->dev.of_node, "vcc-gpio", 0);
++	gpio = of_get_named_gpio_flags(dev->dev.of_node, "vcc-gpio", 0, &of_flags);
+ 	if (!gpio_is_valid(gpio))
+ 		return;
+ 
+ 	if (val) {
+-		gpio_request(gpio, "bcma-hcd-gpio");
+-		gpio_set_value(gpio, 1);
++		unsigned long flags = 0;
++		bool active_low = !!(of_flags & OF_GPIO_ACTIVE_LOW);
++
++		flags |= active_low ? GPIOF_ACTIVE_LOW : 0;
++		flags |= active_low ? GPIOF_INIT_LOW : GPIOF_INIT_HIGH;
++		gpio_request_one(gpio, flags, "bcma-hcd-gpio");
+ 	} else {
+-		gpio_set_value(gpio, 0);
++		gpiod_set_value(gpio_to_desc(gpio), 0);
+ 		gpio_free(gpio);
+ 	}
+ }