On 07/23/2013 06:43 PM, Joel Fernandes wrote: > Implement device_slave_caps(). EDMA has a limited number of slots. > Slave drivers such as omap_hsmmc will query the driver to make > sure they don't pass in more than these many scatter segments. > > Signed-off-by: Joel Fernandes <joelf@xxxxxx> > --- > Vinod, or Dan- If this patch looks ok, can you please merge in for > -rc cycle? This patch is required to fix MMC support on AM33xx. This > patch is blocking 3 other patches which fix various MMC things. Thanks! > > Notes: > (1) this approach is temporary and only for -rc cycle to fix MMC on > AM335x. It will be replace by the RFC series in future kernels: > http://www.spinics.net/lists/arm-kernel/msg260094.html > > (2) Patch depends Vinod's patch at: > http://permalink.gmane.org/gmane.linux.kernel/1525112 > > drivers/dma/edma.c | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c > index 7222cbe..81d5429 100644 > --- a/drivers/dma/edma.c > +++ b/drivers/dma/edma.c > @@ -517,6 +517,14 @@ static void edma_issue_pending(struct dma_chan *chan) > spin_unlock_irqrestore(&echan->vchan.lock, flags); > } > > +static inline int edma_slave_caps(struct dma_chan *chan, > + struct dma_slave_caps *caps) > +{ > + caps->max_sg_nr = MAX_NR_SG; Hm, what about the other fields? - Lars -- 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
