diff options
Diffstat (limited to 'drivers/dma/dw-axi-dmac')
-rw-r--r-- | drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c | 32 | ||||
-rw-r--r-- | drivers/dma/dw-axi-dmac/dw-axi-dmac.h | 2 |
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; |