Commit 7a83c045 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Vinod Koul
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dmaengine: dw: introduce dw_dma_on() helper 



As an opposite to dw_dma_off() let's introduce dw_dma_on() helper. It will be
useful later as well.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 3d588f83

drivers/dma/dw/core.c

+7 −2
Original line number Diff line number Diff line
@@ -1470,6 +1470,11 @@ static void dw_dma_off(struct dw_dma *dw) 
		dw->chan[i].initialized = false;

}



static void dw_dma_on(struct dw_dma *dw)

{

	dma_writel(dw, CFG, DW_CFG_DMA_EN);

}



int dw_dma_probe(struct dw_dma_chip *chip, struct dw_dma_platform_data *pdata)

{

	struct dw_dma		*dw;
@@ -1643,7 +1648,7 @@ int dw_dma_probe(struct dw_dma_chip *chip, struct dw_dma_platform_data *pdata) 
	dw->dma.device_tx_status = dwc_tx_status;

	dw->dma.device_issue_pending = dwc_issue_pending;



	dma_writel(dw, CFG, DW_CFG_DMA_EN);

	dw_dma_on(dw);



	err = dma_async_device_register(&dw->dma);

	if (err)
@@ -1705,7 +1710,7 @@ int dw_dma_resume(struct dw_dma_chip *chip) 
{

	struct dw_dma *dw = chip->dw;



	dma_writel(dw, CFG, DW_CFG_DMA_EN);

	dw_dma_on(dw);

	return 0;

}

EXPORT_SYMBOL_GPL(dw_dma_resume);