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brcmfmac: initialize oob irq data before request_irq() 

This fixes spin-forever in irq handler when IRQ is already asserted
at request_irq() time.

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Michał Mirosław 2017-06-13 18:02:03 +02:00 committed by Kalle Valo
parent 42213f2f35
commit 3f426c9689
1 changed files with 3 additions and 5 deletions
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8
drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
View File

@ -108,12 +108,14 @@ int brcmf_sdiod_intr_register(struct brcmf_sdio_dev *sdiodev)
int ret = 0;
u8 data;
u32 addr, gpiocontrol;
unsigned long flags;
pdata = &sdiodev->settings->bus.sdio;
if (pdata->oob_irq_supported) {
brcmf_dbg(SDIO, "Enter, register OOB IRQ %d\n",
pdata->oob_irq_nr);
spin_lock_init(&sdiodev->irq_en_lock);
sdiodev->irq_en = true;
ret = request_irq(pdata->oob_irq_nr, brcmf_sdiod_oob_irqhandler,
pdata->oob_irq_flags, "brcmf_oob_intr",
&sdiodev->func[1]->dev);
@ -122,10 +124,6 @@ int brcmf_sdiod_intr_register(struct brcmf_sdio_dev *sdiodev)
return ret;
}
sdiodev->oob_irq_requested = true;
spin_lock_init(&sdiodev->irq_en_lock);
spin_lock_irqsave(&sdiodev->irq_en_lock, flags);
sdiodev->irq_en = true;
spin_unlock_irqrestore(&sdiodev->irq_en_lock, flags);
ret = enable_irq_wake(pdata->oob_irq_nr);
if (ret != 0) {