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USB: imx_udc: Fix IMX UDC gadget general irq handling

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Workaround of hw bug in IMX UDC.
This bug causes wrong handling of CFG_CHG interrupt.
Workaround is documented inline source code.

Signed-off-by: Darius Augulis <augulis.darius@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Darius Augulis
2009-01-21 15:19:19 +02:00
committed by Greg Kroah-Hartman
parent d24921a36d
commit b633d28e2c
2 changed files with 94 additions and 65 deletions
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1
drivers/usb/gadget/imx_udc.h
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@@ -59,6 +59,7 @@ struct imx_udc_struct {
struct device *dev;
struct imx_ep_struct imx_ep[IMX_USB_NB_EP];
struct clk *clk;
struct timer_list timer;
enum ep0_state ep0state;
struct resource *res;
void __iomem *base;