[PATCH 3/6] intel_mid_dma: Allow DMAC2 to share interrupt

From: Vinod Koul
Date: Mon Oct 04 2010 - 06:53:15 EST


From: Yong Wang <yong.y.wang@xxxxxxxxx>

Allow DMAC2 to share interrupt since exclusive interrupt line
for mrst DMAC2 is not provided on other platforms.

Signed-off-by: Yong Wang <yong.y.wang@xxxxxxxxx>
Signed-off-by: Vinod Koul <vinod.koul@xxxxxxxxx>
Signed-off-by: Alan Cox <alan@xxxxxxxxxxxxxxx>
---
drivers/dma/intel_mid_dma.c | 5 +----
1 files changed, 1 insertions(+), 4 deletions(-)

diff --git a/drivers/dma/intel_mid_dma.c b/drivers/dma/intel_mid_dma.c
index c4b8138..3c4333e 100644
--- a/drivers/dma/intel_mid_dma.c
+++ b/drivers/dma/intel_mid_dma.c
@@ -872,7 +872,6 @@ static int mid_setup_dma(struct pci_dev *pdev)
{
struct middma_device *dma = pci_get_drvdata(pdev);
int err, i;
- unsigned int irq_level;

/* DMA coherent memory pool for DMA descriptor allocations */
dma->dma_pool = pci_pool_create("intel_mid_dma_desc_pool", pdev,
@@ -960,7 +959,6 @@ static int mid_setup_dma(struct pci_dev *pdev)

/*register irq */
if (dma->pimr_mask) {
- irq_level = IRQF_SHARED;
pr_debug("MDMA:Requesting irq shared for DMAC1\n");
err = request_irq(pdev->irq, intel_mid_dma_interrupt1,
IRQF_SHARED, "INTEL_MID_DMAC1", dma);
@@ -968,10 +966,9 @@ static int mid_setup_dma(struct pci_dev *pdev)
goto err_irq;
} else {
dma->intr_mask = 0x03;
- irq_level = 0;
pr_debug("MDMA:Requesting irq for DMAC2\n");
err = request_irq(pdev->irq, intel_mid_dma_interrupt2,
- 0, "INTEL_MID_DMAC2", dma);
+ IRQF_SHARED, "INTEL_MID_DMAC2", dma);
if (0 != err)
goto err_irq;
}
--
1.6.6.1

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