From 236b106f1a66a272708e4960cde8cbcdd1611435 Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Tue, 19 Jun 2012 13:34:07 +0300 Subject: dw_dmac: disable BLOCK interrupts Just to be sure we are in known state we disable the BLOCK interupts. Signed-off-by: Andy Shevchenko Acked-by: Viresh Kumar Signed-off-by: Vinod Koul --- drivers/dma/dw_dmac.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/dma') diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c index 8a37f6d17b47..d3038a03503d 100644 --- a/drivers/dma/dw_dmac.c +++ b/drivers/dma/dw_dmac.c @@ -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); -- cgit v1.2.3