Hi, On Fri, Dec 02, 2011 at 14:25:48, Heiko Schocher wrote: > Hello Rajashekhara, Sudhakar, > > Rajashekhara, Sudhakar wrote: > > Hi, > > > > On Fri, Dec 02, 2011 at 13:05:22, Heiko Schocher wrote: > >> Hello, > >> > >> trying Linux 3.2.0-rc3 on an am1808 based board using MMCSD1 controller, > >> and facing problems with using DMA. Deactivating use_dma=0 in the > >> davinci_mmc controller and mmc works in pio mode without problems. > >> So there are no hardware problems, pinmux is ok, psc are all on. > >> > > > > Please refer to the discussion at [1] where similar issue was discussed. Go through the [...] > > Yuhu! that works for me! But I had to fix it a little, because "edma_info" > is now named "info". Here my diff: > Yup, this patch was on an older version. > diff --git a/arch/arm/mach-davinci/dma.c b/arch/arm/mach-davinci/dma.c > index da90103..e10a251 100644 > --- a/arch/arm/mach-davinci/dma.c > +++ b/arch/arm/mach-davinci/dma.c > @@ -1513,7 +1513,7 @@ static int __init edma_probe(struct platform_device *pdev) > * started by the codec engine will not cause audio defects. > */ > for (i = 0; i < edma_cc[j]->num_channels; i++) > - map_dmach_queue(j, i, EVENTQ_1); > + map_dmach_queue(j, i, info[j]->default_queue); > > queue_tc_mapping = info[j]->queue_tc_mapping; > queue_priority_mapping = info[j]->queue_priority_mapping; > > > [1] http://www.mail-archive.com/davinci-linux-open-source@xxxxxxxxxxxxxxxxxxxx/msg17926.html > > Do you prepare a patch, or should I send it? > You can go ahead and submit the patch but Juha was the person who found out this issue. Thanks, Sudhakar -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
