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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2012-06-19 12:34:07 +0200 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@linux.intel.com> | 2012-06-21 04:35:37 +0200 |
| commit | 236b106f1a66a272708e4960cde8cbcdd1611435 (patch) | |
| tree | 7bcefe24f248fbdf4ac0dd5fe9da587aa5c1ad2c /drivers/dma/dw_dmac.c | |
| parent | dw_dmac: disable dma in optimal way in probe (diff) | |
| download | linux-236b106f1a66a272708e4960cde8cbcdd1611435.tar.xz linux-236b106f1a66a272708e4960cde8cbcdd1611435.zip | |
dw_dmac: disable BLOCK interrupts
Just to be sure we are in known state we disable the BLOCK interupts.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Viresh Kumar <viresh.linux@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
Diffstat (limited to 'drivers/dma/dw_dmac.c')
| -rw-r--r-- | drivers/dma/dw_dmac.c | 4 |
1 files changed, 4 insertions, 0 deletions
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); |