From: Pandith N <pandith.n@xxxxxxxxx> Added hardware handshake selection in channel config, for mem2per and per2mem case. The peripheral specific handshake interface needs to be programmed in src_per, dst_per bits of CHx_CFG register. Signed-off-by: Pandith N <pandith.n@xxxxxxxxx> Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> --- drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c index 9a8231244c42..f46fd9895a13 100644 --- a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c +++ b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c @@ -396,6 +396,8 @@ static void axi_chan_block_xfer_start(struct axi_dma_chan *chan, DWAXIDMAC_TT_FC_MEM_TO_PER_DMAC; if (chan->chip->apb_regs) config.dst_per = chan->id; + else + config.dst_per = chan->hw_handshake_num; break; case DMA_DEV_TO_MEM: config.tt_fc = chan->config.device_fc ? @@ -403,6 +405,8 @@ static void axi_chan_block_xfer_start(struct axi_dma_chan *chan, DWAXIDMAC_TT_FC_PER_TO_MEM_DMAC; if (chan->chip->apb_regs) config.src_per = chan->id; + else + config.src_per = chan->hw_handshake_num; break; default: break; -- 2.17.1
