This fixes spin-forever in irq handler when IRQ is already asserted
at request_irq() time.
Signed-off-by: Michał Mirosław <mirq-linux@xxxxxxxxxxxx>
---
drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
index 9b970dc2b922a..c653a72e3dead 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
@@ -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) {
--
2.11.0
