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net: xilinx: emaclite: Use platform_get_irq() to get the interrupt

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platform_get_resource(pdev, IORESOURCE_IRQ, ..) relies on static
allocation of IRQ resources in DT core code, this causes an issue
when using hierarchical interrupt domains using "interrupts" property
in the node as this bypasses the hierarchical setup and messes up the
irq chaining.

In preparation for removal of static setup of IRQ resource from DT core
code use platform_get_irq().

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Lad Prabhakar 2021-12-24 19:26:23 +00:00 • committed by David S. Miller
parent 6c119fbdb8
commit 7801302b9a
1 changed files with 3 additions and 6 deletions
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9
drivers/net/ethernet/xilinx/xilinx_emaclite.c
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@ -1133,14 +1133,11 @@ static int xemaclite_of_probe(struct platform_device *ofdev)
lp->ndev = ndev;
/* Get IRQ for the device */
res = platform_get_resource(ofdev, IORESOURCE_IRQ, 0);
if (!res) {
dev_err(dev, "no IRQ found\n");
rc = -ENXIO;
rc = platform_get_irq(ofdev, 0);
if (rc < 0)
goto error;
}
ndev->irq = res->start;
ndev->irq = rc;
res = platform_get_resource(ofdev, IORESOURCE_MEM, 0);
lp->base_addr = devm_ioremap_resource(&ofdev->dev, res);