diff options
Diffstat (limited to 'target/linux/pxa/patches/002-usb_gadget.patch')
| -rw-r--r-- | target/linux/pxa/patches/002-usb_gadget.patch | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/target/linux/pxa/patches/002-usb_gadget.patch b/target/linux/pxa/patches/002-usb_gadget.patch new file mode 100644 index 0000000000..b6766d9b3b --- /dev/null +++ b/target/linux/pxa/patches/002-usb_gadget.patch @@ -0,0 +1,58 @@ +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; |