On Tue, Jul 26, 2011 at 03:05:33PM +0530, Vinod Koul wrote: > On Tue, 2011-07-26 at 08:57 +0100, Russell King - ARM Linux wrote: > > Here's an updated patch. > > > > 8<---------- > > From: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx> > > DMAEngine: Improve slave/cyclic documentation > > > > Improve the documentation for the slave and cyclic DMA engine support > > reformatting it for easier reading, adding further APIs, splitting it > > into five steps, and including references to the documentation in > > dmaengine.h. > > > > Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx> > > --- > > Documentation/dmaengine.txt | 211 ++++++++++++++++++++++++++++++------------- > > 1 files changed, 146 insertions(+), 65 deletions(-) > > > > diff --git a/Documentation/dmaengine.txt b/Documentation/dmaengine.txt > > index 5a0cb1e..8c2e888 100644 > > --- a/Documentation/dmaengine.txt > > +++ b/Documentation/dmaengine.txt > > @@ -10,87 +10,168 @@ > > Below is a guide to device driver writers on how to use the Slave-DMA API of the > > DMA Engine. This is applicable only for slave DMA usage only. > > > > -The slave DMA usage consists of following steps > > +The slave DMA usage consists of following steps: > > 1. Allocate a DMA slave channel > > 2. Set slave and controller specific parameters > > 3. Get a descriptor for transaction > > 4. Submit the transaction and wait for callback notification > > +5. Issue pending requests > Thanks Russell, > > Applied with change to 4 above. Moved "and wait for callback > notification" to 5. BTW, did you apply this one or the later one with the improved documentation for dma mapping and fixed interface for slave transfers etc. ? -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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