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ath9k: Use platform_get_irq() to get the interrupt

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It is not recommened to use platform_get_resource(pdev, IORESOURCE_IRQ)
for requesting IRQ's resources any more, as they can be not ready yet in
case of DT-booting.

platform_get_irq() instead is a recommended way for getting IRQ even if
it was not retrieved earlier.

It also makes code simpler because we're getting "int" value right away
and no conversion from resource to int is required.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Minghao Chi <chi.minghao@zte.com.cn>
Acked-by: Toke Høiland-Jørgensen <toke@toke.dk>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220314064501.2114002-1-chi.minghao@zte.com.cn
This commit is contained in:
Minghao Chi 2022-03-14 06:45:01 +00:00 • committed by Kalle Valo
parent a16d9b50cf
commit 9503a1fc12
1 changed files with 3 additions and 5 deletions
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8
drivers/net/wireless/ath/ath9k/ahb.c
View file

@ -98,14 +98,12 @@ static int ath_ahb_probe(struct platform_device *pdev)
return -ENOMEM;
}
res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (res == NULL) {
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
dev_err(&pdev->dev, "no IRQ resource found\n");
return -ENXIO;
return irq;
}
irq = res->start;
ath9k_fill_chanctx_ops();
hw = ieee80211_alloc_hw(sizeof(struct ath_softc), &ath9k_ops);
if (hw == NULL) {