Messages in this thread Patch in this message | | | From | Serge Semin <> | Subject | [PATCH net 13/13] net: dwmac-loongson: Perceive zero IRQ as invalid | Date | Tue, 14 Mar 2023 01:42:37 +0300 |
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Linux kernel defines zero IRQ number as invalid in case if IRQ couldn't be mapped. Fix that for Loongson PCI MAC specific IRQs request procedure.
Fixes: 30bba69d7db4 ("stmmac: pci: Add dwmac support for Loongson") Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru> --- drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c index a25c187d3185..907bdfcc07e9 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c @@ -127,20 +127,20 @@ static int loongson_dwmac_probe(struct pci_dev *pdev, const struct pci_device_id res.addr = pcim_iomap_table(pdev)[0]; res.irq = of_irq_get_byname(np, "macirq"); - if (res.irq < 0) { + if (res.irq <= 0) { dev_err(&pdev->dev, "IRQ macirq not found\n"); ret = -ENODEV; goto err_disable_msi; } res.wol_irq = of_irq_get_byname(np, "eth_wake_irq"); - if (res.wol_irq < 0) { + if (res.wol_irq <= 0) { dev_info(&pdev->dev, "IRQ eth_wake_irq not found, using macirq\n"); res.wol_irq = res.irq; } res.lpi_irq = of_irq_get_byname(np, "eth_lpi"); - if (res.lpi_irq < 0) { + if (res.lpi_irq <= 0) { dev_err(&pdev->dev, "IRQ eth_lpi not found\n"); ret = -ENODEV; goto err_disable_msi; -- 2.39.2
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