Use platform_get_irq_byname_optional() to avoid outputting error messages when using legacy device trees which rely identifying interrupts only by index. Instead, output a warning notifying the user to update their device tree. Signed-off-by: Daniel Golle Reviewed-by: Andrew Lunn --- v3: unchanged v2: unchanged drivers/net/ethernet/mediatek/mtk_eth_soc.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index f8a907747db4..8f55069441f4 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -3341,17 +3341,22 @@ static int mtk_get_irqs(struct platform_device *pdev, struct mtk_eth *eth) int i; /* future SoCs beginning with MT7988 should use named IRQs in dts */ - eth->irq[MTK_FE_IRQ_TX] = platform_get_irq_byname(pdev, "fe1"); - eth->irq[MTK_FE_IRQ_RX] = platform_get_irq_byname(pdev, "fe2"); + eth->irq[MTK_FE_IRQ_TX] = platform_get_irq_byname_optional(pdev, "fe1"); + eth->irq[MTK_FE_IRQ_RX] = platform_get_irq_byname_optional(pdev, "fe2"); if (eth->irq[MTK_FE_IRQ_TX] >= 0 && eth->irq[MTK_FE_IRQ_RX] >= 0) return 0; - /* only use legacy mode if platform_get_irq_byname returned -ENXIO */ + /* only use legacy mode if platform_get_irq_byname_optional returned -ENXIO */ if (eth->irq[MTK_FE_IRQ_TX] != -ENXIO) - return eth->irq[MTK_FE_IRQ_TX]; + return dev_err_probe(&pdev->dev, eth->irq[MTK_FE_IRQ_TX], + "Error requesting FE TX IRQ\n"); if (eth->irq[MTK_FE_IRQ_RX] != -ENXIO) - return eth->irq[MTK_FE_IRQ_RX]; + return dev_err_probe(&pdev->dev, eth->irq[MTK_FE_IRQ_RX], + "Error requesting FE RX IRQ\n"); + + if (!MTK_HAS_CAPS(eth->soc->caps, MTK_SHARED_INT)) + dev_warn(&pdev->dev, "legacy DT: missing interrupt-names."); /* legacy way: * On MTK_SHARED_INT SoCs (MT7621 + MT7628) the first IRQ is taken -- 2.50.0