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author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-05-17 18:24:04 +0200 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-05-17 18:24:04 +0200 |
commit | ac1d426e825ab5778995f2f6f053ca2e6b45c622 (patch) | |
tree | 75b91356ca39463e0112931aa6790802fb1e07a2 /drivers/usb/gadget/at91_udc.c | |
parent | Merge branch 'devel-pmu' into devel (diff) | |
parent | Merge branch 'for-rmk/2635' of git://git.fluff.org/bjdooks/linux into devel-s... (diff) | |
download | linux-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.c | 9 |
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; } |