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authorRussell King <rmk+kernel@arm.linux.org.uk>2010-05-17 18:24:04 +0200
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-05-17 18:24:04 +0200
commitac1d426e825ab5778995f2f6f053ca2e6b45c622 (patch)
tree75b91356ca39463e0112931aa6790802fb1e07a2 /drivers/usb/gadget/at91_udc.c
parentMerge branch 'devel-pmu' into devel (diff)
parentMerge branch 'for-rmk/2635' of git://git.fluff.org/bjdooks/linux into devel-s... (diff)
downloadlinux-ac1d426e825ab5778995f2f6f053ca2e6b45c622.tar.xz
linux-ac1d426e825ab5778995f2f6f053ca2e6b45c622.zip
Merge branch 'devel-stable' into devel
Conflicts: arch/arm/Kconfig arch/arm/include/asm/system.h arch/arm/mm/Kconfig
Diffstat (limited to 'drivers/usb/gadget/at91_udc.c')
-rw-r--r--drivers/usb/gadget/at91_udc.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index b3bd22ef82ba..eaa79c8a9b8c 100644
--- 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;
}