dw_dmac: disable BLOCK interrupts (236b106f) · Commits · 戴 / test

Just to be sure we are in known state we disable the BLOCK interupts. Signed-off-by:

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);