[PATCH 2/3] usb: at91_udc: request and configure vbus pin via gpiolib
Jean-Christophe PLAGNIOL-VILLARD
plagnioj at jcrosoft.com
Fri Dec 28 11:46:30 EST 2012
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
---
drivers/usb/gadget/at91_udc.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index 8a678f9..3899db2 100644
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -1497,6 +1497,13 @@ static int __init at91udc_probe(struct device_d *dev)
clk_disable(udc->iclk);
if (gpio_is_valid(udc->board.vbus_pin)) {
+ retval = gpio_request(udc->board.vbus_pin, "udc_vbus");
+ if (retval < 0) {
+ dev_err(dev, "request vbus pin failed\n");
+ goto fail0a;
+ }
+ gpio_direction_input(udc->board.vbus_pin);
+
/*
* Get the initial state of VBUS - we cannot expect
* a pending interrupt.
--
1.7.10.4
More information about the barebox
mailing list