On Fri, Nov 11, 2011 at 04:13:41PM +0100, Lothar Waßmann wrote: > Hi, > > Sascha Hauer writes: > > Hi Chris, > > > > Can you take this one please? > > > > Sascha > > > > On Thu, Aug 25, 2011 at 11:33:05AM +0200, Sascha Hauer wrote: > > > When we can't configure the dma channel we want to fall > > > back to PIO. We do this by setting host->do_dma to zero. > > > This does not work as do_dma is used to see whether dma > > > can be used for the current transfer. Instead, we have > > > to set host->dma to NULL. > > > > > > Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> > > > Cc: Chris Ball <cjb@xxxxxxxxxx> > > > Cc: linux-mmc@xxxxxxxxxxxxxxx > > > --- > > > drivers/mmc/host/mxcmmc.c | 3 ++- > > > 1 files changed, 2 insertions(+), 1 deletions(-) > > > > > > diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c > > > index 14aa213..4dc9008 100644 > > > --- a/drivers/mmc/host/mxcmmc.c > > > +++ b/drivers/mmc/host/mxcmmc.c > > > @@ -730,7 +730,8 @@ static void mxcmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) > > > dev_err(mmc_dev(host->mmc), > > > "failed to config DMA channel. Falling back to PIO\n"); > > > dma_release_channel(host->dma); > > > - host->do_dma = 0; > > > + host->dma = NULL; > > > + host->dma = 0; > NULL or 0, that is the question? Or both? > That looks a little bit screwed. NULL. Hm, this was already fixed in my tree. I just sent an updated patch. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | -- 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