Cliff Cai wrote: > Hi Anand, > > Could you tell me where can I get this patch? > > Many Thanks > > Cliff > Cliff, I did send it out and CC you explicitly. Here it is in the archives: <http://marc.info/?l=linux-usb&m=127021734210314&w=2> - Anand > On Fri, Apr 2, 2010 at 9:11 AM, Cliff Cai <cliffcai.sh@xxxxxxxxx> wrote: > > On Thu, Apr 1, 2010 at 7:32 PM, Gadiyar, Anand <gadiyar@xxxxxx> wrote: > >>> Currently,the RX DMA MODE1 is setup only after a packet has sit in the RX fifo. > >>> I just wonder if this way works?I was told that MODE1 should be setup before > >>> receiving the first packet,or we have to setup MODE 0 to unload the > >>> first packet and then > >>> switch to MODE1 for the remaining packets. > >>> > >> > >> Hi Cliff, > >> > >> This part is a little unclear in the spec, but it does indeed work. > >> > >> I'll send out a much smaller hack patch that demonstrates how mode1 RX > >> works when programmed after a packet is already in the fifo - it can > >> be used with g_zero or g_filestorage, and you can actually see > >> the throughput improvement and reduced interrupt count. > >> > >> There is only one corner case that I could not take care of, that's > >> why we cannot use this hack patch with all drivers > >> (most of the code in the patch is already in the driver under > >> the #ifdef USE_MODE_1 macro) > >> > >> The series Felipe posted is a complete rewrite of the MUSB code. > >> When we're going to take that, I'd like a thorough review first. > >> It takes care of the corner case I was hitting though, and seems > >> to work with all gadgets on OMAPs at least. > >> > >> > >> - Anand > > > > Hi Anand, > > > > Look forward to seeing the patch. > > > > Thanks > > > > Cliff > > > -- 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
