This is a note to let you know that I've just added the patch titled
wifi: mwifiex: Use IRQF_NO_AUTOEN flag in request_irq()
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
wifi-mwifiex-use-irqf_no_autoen-flag-in-request_irq.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit f0a6128b83d6ff806a7d432fba51961cc654d440
Author: Jinjie Ruan <ruanjinjie@xxxxxxxxxx>
Date: Tue Sep 10 20:43:13 2024 +0800
wifi: mwifiex: Use IRQF_NO_AUTOEN flag in request_irq()
[ Upstream commit 9a98dd48b6d834d7a3fe5e8e7b8c3a1d006f9685 ]
disable_irq() after request_irq() still has a time gap in which
interrupts can come. request_irq() with IRQF_NO_AUTOEN flag will
disable IRQ auto-enable when request IRQ.
Fixes: 853402a00823 ("mwifiex: Enable WoWLAN for both sdio and pcie")
Signed-off-by: Jinjie Ruan <ruanjinjie@xxxxxxxxxx>
Acked-by: Brian Norris <briannorris@xxxxxxxxxxxx>
Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxx>
Link: https://patch.msgid.link/20240910124314.698896-3-ruanjinjie@xxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/wireless/marvell/mwifiex/main.c b/drivers/net/wireless/marvell/mwifiex/main.c
index 7943fd3b3058d..18ab3222b1406 100644
--- a/drivers/net/wireless/marvell/mwifiex/main.c
+++ b/drivers/net/wireless/marvell/mwifiex/main.c
@@ -1614,7 +1614,8 @@ static void mwifiex_probe_of(struct mwifiex_adapter *adapter)
}
ret = devm_request_irq(dev, adapter->irq_wakeup,
- mwifiex_irq_wakeup_handler, IRQF_TRIGGER_LOW,
+ mwifiex_irq_wakeup_handler,
+ IRQF_TRIGGER_LOW | IRQF_NO_AUTOEN,
"wifi_wake", adapter);
if (ret) {
dev_err(dev, "Failed to request irq_wakeup %d (%d)\n",
@@ -1622,7 +1623,6 @@ static void mwifiex_probe_of(struct mwifiex_adapter *adapter)
goto err_exit;
}
- disable_irq(adapter->irq_wakeup);
if (device_init_wakeup(dev, true)) {
dev_err(dev, "fail to init wakeup for mwifiex\n");
goto err_exit;
