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alistair23-linux
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Merge branch 'topic/axi' into for-linus

hifive-unleashed-5.1
Vinod Koul 2016-07-16 20:09:24 +05:30
parent 2325a6a0b5 71831f6529
commit 488bace2f1
1 changed files with 7 additions and 1 deletions
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8
drivers/dma/dma-axi-dmac.c
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@ -270,6 +270,9 @@ static irqreturn_t axi_dmac_interrupt_handler(int irq, void *devid)
unsigned int pending;
pending = axi_dmac_read(dmac, AXI_DMAC_REG_IRQ_PENDING);
if (!pending)
return IRQ_NONE;
axi_dmac_write(dmac, AXI_DMAC_REG_IRQ_PENDING, pending);
spin_lock(&dmac->chan.vchan.lock);
@ -579,7 +582,9 @@ static int axi_dmac_probe(struct platform_device *pdev)
return -ENOMEM;
dmac->irq = platform_get_irq(pdev, 0);
if (dmac->irq <= 0)
if (dmac->irq < 0)
return dmac->irq;
if (dmac->irq == 0)
return -EINVAL;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@ -683,6 +688,7 @@ static const struct of_device_id axi_dmac_of_match_table[] = {
{ .compatible = "adi,axi-dmac-1.00.a" },
{ },
};
MODULE_DEVICE_TABLE(of, axi_dmac_of_match_table);
static struct platform_driver axi_dmac_driver = {
.driver = {