intel_mid_dma: Allow DMAC2 to share interrupt

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@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

diff --git a/drivers/dma/intel_mid_dma.c b/drivers/dma/intel_mid_dma.c
index c4b8138..3c4333e 100644 (file)
--- 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;
        }