On Mon, Dec 10, 2018 at 05:41:14PM -0700, Nathan Chancellor wrote: > Clang warns when one enumerated type is implicitly converted to another: > > drivers/soc/ti/knav_dma.c:601:20: warning: implicit conversion from > enumeration type 'enum dma_data_direction' to different enumeration type > 'enum dma_transfer_direction' [-Wenum-conversion] > chan->direction = DMA_NONE; > ~ ^~~~~~~~ > 1 warning generated. > > While DMA_NONE and DMA_TRANS_NONE have different values, there is no > functional change because direction is never checked against DMA_NONE, > only against DMA_MEM_TO_DEV and DMA_DEV_TO_MEM. > > Signed-off-by: Nathan Chancellor <natechancel...@gmail.com> > --- > drivers/soc/ti/knav_dma.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/soc/ti/knav_dma.c b/drivers/soc/ti/knav_dma.c > index e05ab16d9a9e..6285cd8efb21 100644 > --- a/drivers/soc/ti/knav_dma.c > +++ b/drivers/soc/ti/knav_dma.c > @@ -598,7 +598,7 @@ static int pktdma_init_chan(struct knav_dma_device *dma, > > INIT_LIST_HEAD(&chan->list); > chan->dma = dma; > - chan->direction = DMA_NONE; > + chan->direction = DMA_TRANS_NONE; > atomic_set(&chan->ref_count, 0); > spin_lock_init(&chan->lock); > > -- > 2.20.0 >
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