* Sricharan R <r.sricharan@xxxxxx> [130608 09:52]: > On Saturday 08 June 2013 12:14 AM, Santosh Shilimkar wrote: > > On Friday 07 June 2013 02:37 PM, Tony Lindgren wrote: > >> > >> Looking at the diff output with and without, it seems to be that the > >> DMA channels won't get configured. > >> > > That should work since DMA engine changes are in mainline and the > > DMA channel information is already in DT. > > > The issue is that mmc, spi drivers try to get the 'dma' request number from > get_platform_resource, which fails if hwmod has not populated the data. > > There are patches already from Balaji [1] for hsmmc, Matt Porter [2] mcspi > for adapting the drivers for Dma engine. Dma engine gets the data from DT. > > [1] http://comments.gmane.org/gmane.linux.kernel.mmc/20378 > [2] http://www.spinics.net/lists/linux-omap/msg87634.html > > [1] is already in mmc-next for 3.10 branch. > > Then one more patch for spi [3] is required for completing this. This is similar > to the patch done for mmc to skip the get_platform_resource call in case of DT. > > [3] http://www.mail-archive.com/linux-omap@xxxxxxxxxxxxxxx/msg90112.html OK thanks for looking into that. Once those driver changes hit mainline, please send a follow-up patch to remove the spi and mmc entries. Regards, Tony -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
