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openwrt-xburst/target/linux/pxa/patches/002-usb_gadget.patch

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diff -NurbwB linux-2.6.17/drivers/usb/gadget/pxa2xx_udc.c linux-2.6.17-patched/drivers/usb/gadget/pxa2xx_udc.c
--- linux-2.6.17/drivers/usb/gadget/pxa2xx_udc.c 2006-06-17 18:49:35.000000000 -0700
+++ linux-2.6.17-patched/drivers/usb/gadget/pxa2xx_udc.c 2006-09-11 13:02:39.000000000 -0700
@@ -87,8 +87,8 @@
static const char ep0name [] = "ep0";
-// #define USE_DMA
-// #define USE_OUT_DMA
+#define USE_DMA
+#define USE_OUT_DMA
// #define DISABLE_TEST_MODE
#ifdef CONFIG_ARCH_IXP4XX
@@ -1513,7 +1513,7 @@
#endif
/* try to clear these bits before we enable the udc */
- udc_ack_int_UDCCR(UDCCR_SUSIR|/*UDCCR_RSTIR|*/UDCCR_RESIR);
+ udc_ack_int_UDCCR(UDCCR_SUSIR|UDCCR_RSTIR|UDCCR_RESIR);
ep0_idle(dev);
dev->gadget.speed = USB_SPEED_UNKNOWN;
@@ -2043,6 +2043,9 @@
struct pxa2xx_udc *dev = _dev;
int handled;
+
+ udc_set_mask_UDCCR( UDCCR_REM | UDCCR_SRM);
+
dev->stats.irqs++;
HEX_DISPLAY(dev->stats.irqs);
do {
@@ -2137,6 +2139,8 @@
/* we could also ask for 1 msec SOF (SIR) interrupts */
} while (handled);
+
+ udc_clear_mask_UDCCR( UDCCR_SRM | UDCCR_REM);
return IRQ_HANDLED;
}
@@ -2437,6 +2441,7 @@
int retval, out_dma = 1;
u32 chiprev;
+ local_irq_disable();
/* insist on Intel/ARM/XScale */
asm("mrc%? p15, 0, %0, c0, c0" : "=r" (chiprev));
if ((chiprev & CP15R0_VENDOR_MASK) != CP15R0_XSCALE_VALUE) {
@@ -2553,6 +2558,7 @@
#endif
}
#endif
+ local_irq_enable();
create_proc_files();
return 0;