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Commit 236b106f authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Vinod Koul
Browse files

dw_dmac: disable BLOCK interrupts 



Just to be sure we are in known state we disable the BLOCK interupts.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: default avatarViresh Kumar <viresh.linux@gmail.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@linux.intel.com>
parent 11f932ec

drivers/dma/dw_dmac.c

+4 −0
Original line number Diff line number Diff line
@@ -1437,6 +1437,9 @@ static int __init dw_probe(struct platform_device *pdev) 
	/* force dma off, just in case */

	dw_dma_off(dw);



	/* disable BLOCK interrupts as well */

	channel_clear_bit(dw, MASK.BLOCK, dw->all_chan_mask);



	err = request_irq(irq, dw_dma_interrupt, 0, "dw_dmac", dw);

	if (err)

		goto err_irq;
@@ -1476,6 +1479,7 @@ static int __init dw_probe(struct platform_device *pdev) 


	/* Clear all interrupts on all channels. */

	dma_writel(dw, CLEAR.XFER, dw->all_chan_mask);

	dma_writel(dw, CLEAR.BLOCK, dw->all_chan_mask);

	dma_writel(dw, CLEAR.SRC_TRAN, dw->all_chan_mask);

	dma_writel(dw, CLEAR.DST_TRAN, dw->all_chan_mask);

	dma_writel(dw, CLEAR.ERROR, dw->all_chan_mask);