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platform: goldfish: pipe: 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>
Link: https://lore.kernel.org/r/20220309202327.16627-1-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Lad Prabhakar 2022-03-09 20:23:27 +00:00 • committed by Greg Kroah-Hartman
parent 3b2e6a932e
commit 1456277644
1 changed files with 3 additions and 5 deletions
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8
drivers/platform/goldfish/goldfish_pipe.c
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@ -896,11 +896,9 @@ static int goldfish_pipe_probe(struct platform_device *pdev)
return -EINVAL;
}
r = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (!r)
return -EINVAL;
dev->irq = r->start;
dev->irq = platform_get_irq(pdev, 0);
if (dev->irq < 0)
return dev->irq;
/*
* Exchange the versions with the host device