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Diffstat (limited to 'drivers/dma/dw-axi-dmac')
-rw-r--r--drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c32
-rw-r--r--drivers/dma/dw-axi-dmac/dw-axi-dmac.h2
2 files changed, 26 insertions, 8 deletions
diff --git a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
index 321446fddd..fffafa86d9 100644
--- a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
+++ b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
@@ -1443,6 +1443,24 @@ static int parse_device_properties(struct axi_dma_chip *chip)
return 0;
}
+static int axi_req_irqs(struct platform_device *pdev, struct axi_dma_chip *chip)
+{
+ int irq_count = platform_irq_count(pdev);
+ int ret;
+
+ for (int i = 0; i < irq_count; i++) {
+ chip->irq[i] = platform_get_irq(pdev, i);
+ if (chip->irq[i] < 0)
+ return chip->irq[i];
+ ret = devm_request_irq(chip->dev, chip->irq[i], dw_axi_dma_interrupt,
+ IRQF_SHARED, KBUILD_MODNAME, chip);
+ if (ret < 0)
+ return ret;
+ }
+
+ return 0;
+}
+
static int dw_probe(struct platform_device *pdev)
{
struct axi_dma_chip *chip;
@@ -1469,10 +1487,6 @@ static int dw_probe(struct platform_device *pdev)
chip->dev = &pdev->dev;
chip->dw->hdata = hdata;
- chip->irq = platform_get_irq(pdev, 0);
- if (chip->irq < 0)
- return chip->irq;
-
chip->regs = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(chip->regs))
return PTR_ERR(chip->regs);
@@ -1513,8 +1527,7 @@ static int dw_probe(struct platform_device *pdev)
if (!dw->chan)
return -ENOMEM;
- ret = devm_request_irq(chip->dev, chip->irq, dw_axi_dma_interrupt,
- IRQF_SHARED, KBUILD_MODNAME, chip);
+ ret = axi_req_irqs(pdev, chip);
if (ret)
return ret;
@@ -1627,7 +1640,9 @@ static void dw_remove(struct platform_device *pdev)
pm_runtime_disable(chip->dev);
axi_dma_suspend(chip);
- devm_free_irq(chip->dev, chip->irq, chip);
+ for (i = 0; i < DMAC_MAX_CHANNELS; i++)
+ if (chip->irq[i] > 0)
+ devm_free_irq(chip->dev, chip->irq[i], chip);
of_dma_controller_free(chip->dev->of_node);
@@ -1651,6 +1666,9 @@ static const struct of_device_id dw_dma_of_id_table[] = {
}, {
.compatible = "starfive,jh7110-axi-dma",
.data = (void *)(AXI_DMA_FLAG_HAS_RESETS | AXI_DMA_FLAG_USE_CFG2),
+ }, {
+ .compatible = "starfive,jh8100-axi-dma",
+ .data = (void *)AXI_DMA_FLAG_HAS_RESETS,
},
{}
};
diff --git a/drivers/dma/dw-axi-dmac/dw-axi-dmac.h b/drivers/dma/dw-axi-dmac/dw-axi-dmac.h
index ac571b413b..b842e6a8d9 100644
--- a/drivers/dma/dw-axi-dmac/dw-axi-dmac.h
+++ b/drivers/dma/dw-axi-dmac/dw-axi-dmac.h
@@ -65,7 +65,7 @@ struct dw_axi_dma {
struct axi_dma_chip {
struct device *dev;
- int irq;
+ int irq[DMAC_MAX_CHANNELS];
void __iomem *regs;
void __iomem *apb_regs;
struct clk *core_clk;