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);
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);
{ .compatible = "adi,axi-dmac-1.00.a" },
{ },
};
+MODULE_DEVICE_TABLE(of, axi_dmac_of_match_table);
static struct platform_driver axi_dmac_driver = {
.driver = {