From: Yong Wang Date: Mon, 4 Oct 2010 10:37:27 +0000 (+0000) Subject: intel_mid_dma: Allow DMAC2 to share interrupt X-Git-Tag: firefly_0821_release~7613^2~3602^2~6^5~3 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=03b96dca010145f3896abcd443b7fddb9813a0e6;p=firefly-linux-kernel-4.4.55.git 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 Signed-off-by: Vinod Koul Signed-off-by: Alan Cox Signed-off-by: Dan Williams --- diff --git a/drivers/dma/intel_mid_dma.c b/drivers/dma/intel_mid_dma.c index c4b81387f0c6..3c4333ee1fb7 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; }