From: Michal Simek Date: Mon, 30 Sep 2013 06:50:48 +0000 (+0200) Subject: dma: pl330: Support per channel irq allocation X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e98b3cafe5f048be40ff6acb18dfa7c9a0e9423e;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git dma: pl330: Support per channel irq allocation Some pl330 have per channel irq and it is necessary to allocate all of them. Loop over irq assigned for this device to support these pl330 IPs. For example this IP is available on Xilinx Zynq platform. Signed-off-by: Michal Simek Tested-by: Lars-Peter Clausen Signed-off-by: Vinod Koul --- diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index 58623dc474d1..96de393aaf4f 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -2922,11 +2922,18 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id) amba_set_drvdata(adev, pdmac); - irq = adev->irq[0]; - ret = devm_request_irq(&adev->dev, irq, pl330_irq_handler, 0, - dev_name(&adev->dev), pi); - if (ret) - return ret; + for (i = 0; i <= AMBA_NR_IRQS; i++) { + irq = adev->irq[i]; + if (irq) { + ret = devm_request_irq(&adev->dev, irq, + pl330_irq_handler, 0, + dev_name(&adev->dev), pi); + if (ret) + return ret; + } else { + break; + } + } pi->pcfg.periph_id = adev->periphid; ret = pl330_add(pi);