Merge branch 'devel-stable' into devel

[pandora-kernel.git] / drivers / usb / gadget / at91_udc.c

diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index b3bd22e..eaa79c8 100644 (file)
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -1377,6 +1377,12 @@ static irqreturn_t at91_udc_irq (int irq, void *_udc)
 {
        struct at91_udc         *udc = _udc;
        u32                     rescans = 5;
+       int                     disable_clock = 0;
+
+       if (!udc->clocked) {
+               clk_on(udc);
+               disable_clock = 1;
+       }
 
        while (rescans--) {
                u32 status;
@@ -1465,6 +1471,9 @@ static irqreturn_t at91_udc_irq (int irq, void *_udc)
                }
        }
 
+       if (disable_clock)
+               clk_off(udc);
+
        return IRQ_HANDLED;
 }