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dmaengine: dw: convert dw_dma_slave to use explicit HS interfaces

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Instead of exposing the possibility to set DMA registers CFG_HI and CFG_LO
strict user to provide handshake interfaces explicitly.

Signed-off-by: Andy Shevchenko <[email protected]>
Acked-by: Hans-Christian Egtvedt <[email protected]>
Signed-off-by: Vinod Koul <[email protected]>
This commit is contained in:
Andy Shevchenko 2014-08-19 20:29:14 +03:00 • committed by Vinod Koul
commit 7e1e2f27c5
3 changed files with 11 additions and 18 deletions
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4
drivers/dma/dw/core.c
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@ -155,8 +155,8 @@ static void dwc_initialize(struct dw_dma_chan *dwc)
*/
BUG_ON(!dws->dma_dev || dws->dma_dev != dw->dma.dev);
cfghi = dws->cfg_hi;
cfglo |= dws->cfg_lo & ~DWC_CFGL_CH_PRIOR_MASK;
cfghi |= DWC_CFGH_DST_PER(dws->dst_id);
cfghi |= DWC_CFGH_SRC_PER(dws->src_id);
} else {
if (dwc->direction == DMA_MEM_TO_DEV)
cfghi = DWC_CFGH_DST_PER(dwc->request_line);