On Wed, Jun 29, 2011 at 5:40 PM, Felipe Balbi <balbi@xxxxxx> wrote: > Hi, > > On Wed, Jun 29, 2011 at 05:36:19PM +0800, Bob Liu wrote: >> I have a question about patch d1043a2697effee3054451a9293a376bfb013e4b >> musb: use dma mode 1 for TX if transfer size equals maxpacket. >> >> Is this patch still needed on latest linux-next tree ? >> >> And in its comment Anand said a better fix might be in musb_g_tx(), >> Can someone give me some guides on how to do it ? > > basically, the endpoint IRQ handler needs to be rewritten in musb, that > thing is really broken. > >> Since dma1 mode can't work on my blackfin platform, I want to change >> it back to mode0 when transfer size equals maxpacket. > > why can't it work ? > It seems a hardware Anomaly, I am not sure but i'll check it soon. Thanks -- Regards, --Bob -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html