From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: linux-kernel@vger.kernel.org
Cc: Viresh Kumar <viresh.linux@gmail.com>,
Vinod Koul <vinod.koul@intel.com>,
Dan Williams <dan.j.williams@intel.com>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Subject: [PATCHv2 07/10] dw_dmac: disable BLOCK interrupts
Date: Tue, 19 Jun 2012 13:34:07 +0300 [thread overview]
Message-ID: <1340102050-12697-8-git-send-email-andriy.shevchenko@linux.intel.com> (raw)
In-Reply-To: <1340102050-12697-1-git-send-email-andriy.shevchenko@linux.intel.com>
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
next prev parent reply other threads:[~2012-06-19 10:34 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-15 7:05 [PATCH 0/9] dw_dmac: set of cleanups and small fixes Andy Shevchenko
2012-06-15 7:05 ` [PATCH 1/9] dw_dmac: fix constant in the comment Andy Shevchenko
2012-06-15 7:05 ` [PATCH 2/9] dw_dmac: use proper casting to print dma_addr_t values Andy Shevchenko
2012-06-15 7:05 ` [PATCH 3/9] dw_dmac: introduce dwc_dump_chan_regs to dump registers Andy Shevchenko
2012-06-15 7:05 ` [PATCH 4/9] dw_dmac: print correct number of scanned descriptors Andy Shevchenko
2012-06-15 7:05 ` [PATCH 5/9] dw_dmac: use __func__ constant in the debug prints Andy Shevchenko
2012-06-15 7:05 ` [PATCH 6/9] dw_dmac: disable dma in optimal way in probe Andy Shevchenko
2012-06-15 7:05 ` [PATCH 7/9] dw_dmac: disable BLOCK interrupts Andy Shevchenko
2012-06-15 7:05 ` [PATCH 8/9] dw_dmac: introduce dwc_fast_fls() Andy Shevchenko
2012-06-15 7:05 ` [PATCH 9/9] dw_dmac: move from __init to __devinit Andy Shevchenko
2012-06-19 10:34 ` [PATCHv2 00/10] dw_dmac: set of cleanups and small fixes Andy Shevchenko
2012-06-19 10:34 ` [PATCHv2 01/10] dw_dmac: fix constant in the comment Andy Shevchenko
2012-06-19 10:34 ` [PATCHv2 02/10] dw_dmac: use proper casting to print dma_addr_t values Andy Shevchenko
2012-06-19 10:34 ` [PATCHv2 03/10] dw_dmac: introduce dwc_dump_chan_regs to dump registers Andy Shevchenko
2012-06-19 10:34 ` [PATCHv2 04/10] dw_dmac: print correct number of scanned descriptors Andy Shevchenko
2012-06-19 10:34 ` [PATCHv2 05/10] dw_dmac: use __func__ constant in the debug prints Andy Shevchenko
2012-06-19 10:34 ` [PATCHv2 06/10] dw_dmac: disable dma in optimal way in probe Andy Shevchenko
2012-06-19 10:34 ` Andy Shevchenko [this message]
2012-06-19 10:34 ` [PATCHv2 08/10] dw_dmac: introduce dwc_fast_fls() Andy Shevchenko
2012-06-19 10:34 ` [PATCHv2 09/10] dw_dmac: move from __init to __devinit Andy Shevchenko
2012-06-19 10:34 ` [PATCHv2 10/10] dw_dmac: introduce dwc_chan_reset Andy Shevchenko
2012-06-19 10:39 ` viresh kumar
2012-06-19 10:46 ` [PATCHv2.1] dw_dmac: introduce dwc_chan_disable Andy Shevchenko
2012-06-19 10:52 ` viresh kumar
2012-06-21 2:39 ` Vinod Koul
2012-06-19 10:40 ` [PATCHv2 00/10] dw_dmac: set of cleanups and small fixes viresh kumar
2012-06-21 2:39 ` Vinod Koul
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