Title: [6676] trunk/drivers/usb/musb/blackfin.c: bug[#2424]open DMA polling mode,since the DMA rx hang anomaly has been workaround in other place
- Revision
- 6676
- Author
- cliff
- Date
- 2009-06-11 22:17:33 -0500 (Thu, 11 Jun 2009)
Log Message
bug[#2424]open DMA polling mode,since the DMA rx hang anomaly has been workaround in other place
Modified Paths
Diff
Modified: trunk/drivers/usb/musb/blackfin.c (6675 => 6676)
--- trunk/drivers/usb/musb/blackfin.c 2009-06-12 03:14:39 UTC (rev 6675)
+++ trunk/drivers/usb/musb/blackfin.c 2009-06-12 03:17:33 UTC (rev 6676)
@@ -94,10 +94,7 @@
void musb_read_fifo(struct musb_hw_ep *hw_ep, u16 len, u8 *dst)
{
void __iomem *fifo = hw_ep->fifo;
-/* Sometimes,the DMA complete interrupt never happens,
- * this will cause the polling to dead loop.
- */
-#if 0
+#if defined(CONFIG_MUSB_DMA_POLL)
u8 epnum = hw_ep->epnum;
u16 dma_reg = 0;
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