Hello Juha, Rajashekhara, Sudhakar wrote: > 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@linux.davincidsp.com/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.
Juha, can you post this patch, or is it ok for you, if I post it with your "Reported-by" and "Signed-off-by"? bye, Heiko -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
