target/linux/pxa-2.6/patches/002-usb_gadget.patch

   1 diff -NurbwB linux-2.6.17/drivers/usb/gadget/pxa2xx_udc.c linux-2.6.17-patched/drivers/usb/gadget/pxa2xx_udc.c
   2 --- linux-2.6.17/drivers/usb/gadget/pxa2xx_udc.c        2006-06-17 18:49:35.000000000 -0700
   3 +++ linux-2.6.17-patched/drivers/usb/gadget/pxa2xx_udc.c        2006-09-11 13:02:39.000000000 -0700
   4 @@ -87,8 +87,8 @@
   5  static const char ep0name [] = "ep0";
   6
   7
   8 -// #define     USE_DMA
   9 -// #define     USE_OUT_DMA
  10 +#define        USE_DMA
  11 +#define        USE_OUT_DMA
  12  // #define     DISABLE_TEST_MODE
  13
  14  #ifdef CONFIG_ARCH_IXP4XX
  15 @@ -1513,7 +1513,7 @@
  16  #endif
  17
  18         /* try to clear these bits before we enable the udc */
  19 -       udc_ack_int_UDCCR(UDCCR_SUSIR|/*UDCCR_RSTIR|*/UDCCR_RESIR);
  20 +       udc_ack_int_UDCCR(UDCCR_SUSIR|UDCCR_RSTIR|UDCCR_RESIR);
  21
  22         ep0_idle(dev);
  23         dev->gadget.speed = USB_SPEED_UNKNOWN;
  24 @@ -2043,6 +2043,9 @@
  25         struct pxa2xx_udc       *dev = _dev;
  26         int                     handled;
  27
  28 +
  29 +       udc_set_mask_UDCCR( UDCCR_REM | UDCCR_SRM);
  30 +
  31         dev->stats.irqs++;
  32         HEX_DISPLAY(dev->stats.irqs);
  33         do {
  34 @@ -2137,6 +2139,8 @@
  35                 /* we could also ask for 1 msec SOF (SIR) interrupts */
  36
  37         } while (handled);
  38 +
  39 +       udc_clear_mask_UDCCR( UDCCR_SRM | UDCCR_REM);
  40         return IRQ_HANDLED;
  41  }
  42
  43 @@ -2437,6 +2441,7 @@
  44         int retval, out_dma = 1;
  45         u32 chiprev;
  46
  47 +       local_irq_disable();
  48         /* insist on Intel/ARM/XScale */
  49         asm("mrc%? p15, 0, %0, c0, c0" : "=r" (chiprev));
  50         if ((chiprev & CP15R0_VENDOR_MASK) != CP15R0_XSCALE_VALUE) {
  51 @@ -2553,6 +2558,7 @@
  52  #endif
  53         }
  54  #endif
  55 +       local_irq_enable();
  56         create_proc_files();
  57
  58         return 0;