Messages in this thread Patch in this message | | | From | Andy Shevchenko <> | Subject | [PATCHv2 07/10] dw_dmac: disable BLOCK interrupts | Date | Tue, 19 Jun 2012 13:34:07 +0300 |
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Just to be sure we are in known state we disable the BLOCK interupts.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> --- drivers/dma/dw_dmac.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c index 23a409b..42cffe8 100644 --- a/drivers/dma/dw_dmac.c +++ b/drivers/dma/dw_dmac.c @@ -1439,6 +1439,9 @@ 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; @@ -1478,6 +1481,7 @@ 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); -- 1.7.10
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