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rtc: ftrtc010: 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>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20211220011524.17206-1-prabhakar.mahadev-lad.rj@bp.renesas.com
This commit is contained in:
Lad Prabhakar 2021-12-20 01:15:24 +00:00 committed by Alexandre Belloni
parent ba52eac083
commit 05020a733b
1 changed files with 3 additions and 5 deletions
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8
drivers/rtc/rtc-ftrtc010.c
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@ -141,11 +141,9 @@ static int ftrtc010_rtc_probe(struct platform_device *pdev)
}
}
res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (!res)
return -ENODEV;
rtc->rtc_irq = res->start;
rtc->rtc_irq = platform_get_irq(pdev, 0);
if (rtc->rtc_irq < 0)
return rtc->rtc_irq;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res)