On Fri, Apr 22, 2016 at 07:44:39PM +0530, Shardar Shariff Md wrote: > Initialize default channel slave_id(req_sel) to invalid id > (i.e max supported slave id + 1) to avoid overwriting of slave_id > during tegra_dma_slave_config() with client data if slave_id > is not initialized through DT > > Signed-off-by: Shardar Shariff Md <[email protected]> > > --- > Changes from v1: > - Instead of initializing the slave id to -1 define macros for > max slave id and invalid slave id and do the checks accordingly. > > Changes from v2: > - Check slave id boundary before dma channel is allocated to > avoid channel leakage. > --- > drivers/dma/tegra20-apb-dma.c | 18 +++++++++++++++--- > 1 file changed, 15 insertions(+), 3 deletions(-)
Looks good to me, though I'm not a DMA engine export, so I'll only offer: Acked-by: Thierry Reding <[email protected]> Perhaps Jon would be comfortable enough to give a Reviewed-by? Thierry
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