5.4-stable review patch. If anyone has any objections, please let me know.
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From: Jinjie Ruan ruanjinjie@huawei.com
[ 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@huawei.com Signed-off-by: Kalle Valo kvalo@kernel.org Link: https://patch.msgid.link/20240910124314.698896-2-ruanjinjie@huawei.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/wireless/intersil/p54/p54spi.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)
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);