On Wed, Mar 06, 2013 at 02:56:04PM -0500, Matt Porter wrote: > Changes since v3: > - Change api name to dma_get_slave_sg_limits() to avoid > confusion with h/w caps which are static. > > Changes since v2: > - Change to a separate slave sg specific api. Drop the > generic per-channel capabilities api that is not used. > > Changes since v1: > - Use the existing dma_transaction_type enums instead of > adding the mostly duplicated dmaengine_apis enums > > This series adds a new dmaengine api, dma_get_slave_sg_limits(), which > may be used by a client driver to get slave SG transfer limits for a > particular channel. At this time, these include the max number of > segments and max length of a segment that a channel can handle for a > SG transfer. Looks fine, should be ready for merge once we fix the API. Also I was under the impression that you will add another API to calculate the limits, the stuff which you were doing in caps API earlier.
-- ~Vinod > > Along with the API implementation, this series implements the backend > device_slave_sg_limits() in the EDMA DMA Engine driver and converts the > davinci_mmc driver to use dma_get_slave_sg_limits() to replace hardcoded > limits. > > This is tested on the AM1808-EVM. > > Matt Porter (3): > dmaengine: add dma_get_slave_sg_limits() > dma: edma: add device_slave_sg_limits() support > mmc: davinci: get SG segment limits with dma_get_slave_sg_limits() > > drivers/dma/edma.c | 17 +++++++++++++ > drivers/mmc/host/davinci_mmc.c | 37 ++++++++------------------- > include/linux/dmaengine.h | 39 > +++++++++++++++++++++++++++++ > include/linux/platform_data/mmc-davinci.h | 3 --- > 4 files changed, 66 insertions(+), 30 deletions(-) > > -- > 1.7.9.5 > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
