This is a note to let you know that I've just added the patch titled
wifi: p54: 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-p54-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 be6b9bfb445c80767ec723ad22de4645addcdea3
Author: Jinjie Ruan <ruanjinjie@xxxxxxxxxx>
Date: Tue Sep 10 20:43:12 2024 +0800
wifi: p54: Use IRQF_NO_AUTOEN flag in request_irq()
[ Upstream commit bcd1371bd85e560ccc9159b7747f94bfe43b77a6 ]
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: cd8d3d321285 ("p54spi: p54spi driver")
Signed-off-by: Jinjie Ruan <ruanjinjie@xxxxxxxxxx>
Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxx>
Link: https://patch.msgid.link/20240910124314.698896-2-ruanjinjie@xxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/wireless/intersil/p54/p54spi.c b/drivers/net/wireless/intersil/p54/p54spi.c
index cdb57819684ae..8a9168aac7281 100644
--- a/drivers/net/wireless/intersil/p54/p54spi.c
+++ b/drivers/net/wireless/intersil/p54/p54spi.c
@@ -623,7 +623,7 @@ static int p54spi_probe(struct spi_device *spi)
gpio_direction_input(p54spi_gpio_irq);
ret = request_irq(gpio_to_irq(p54spi_gpio_irq),
- p54spi_interrupt, 0, "p54spi",
+ p54spi_interrupt, IRQF_NO_AUTOEN, "p54spi",
priv->spi);
if (ret < 0) {
dev_err(&priv->spi->dev, "request_irq() failed");
@@ -632,8 +632,6 @@ static int p54spi_probe(struct spi_device *spi)
irq_set_irq_type(gpio_to_irq(p54spi_gpio_irq), IRQ_TYPE_EDGE_RISING);
- disable_irq(gpio_to_irq(p54spi_gpio_irq));
-
INIT_WORK(&priv->work, p54spi_work);
init_completion(&priv->fw_comp);
INIT_LIST_HEAD(&priv->tx_pending);
