From mboxrd@z Thu Jan 1 00:00:00 1970 From: nicolas.ferre@atmel.com (Nicolas Ferre) Date: Tue, 21 Jan 2014 16:55:18 +0100 Subject: [PATCH] pinctrl: at91: use locked variant of irq_set_handler Message-ID: <1390319718-12285-1-git-send-email-nicolas.ferre@atmel.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org When setting the gpio irq type, use the __irq_set_handler_locked() variant instead of the irq_set_handler() to prevent false spinlock recursion warning. Signed-off-by: Nicolas Ferre Cc: stable # v3.12 --- drivers/pinctrl/pinctrl-at91.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c index a7549c4c83b4..7d7a21c20931 100644 --- a/drivers/pinctrl/pinctrl-at91.c +++ b/drivers/pinctrl/pinctrl-at91.c @@ -1260,22 +1260,22 @@ static int alt_gpio_irq_type(struct irq_data *d, unsigned type) switch (type) { case IRQ_TYPE_EDGE_RISING: - irq_set_handler(d->irq, handle_simple_irq); + __irq_set_handler_locked(d->irq, handle_simple_irq); writel_relaxed(mask, pio + PIO_ESR); writel_relaxed(mask, pio + PIO_REHLSR); break; case IRQ_TYPE_EDGE_FALLING: - irq_set_handler(d->irq, handle_simple_irq); + __irq_set_handler_locked(d->irq, handle_simple_irq); writel_relaxed(mask, pio + PIO_ESR); writel_relaxed(mask, pio + PIO_FELLSR); break; case IRQ_TYPE_LEVEL_LOW: - irq_set_handler(d->irq, handle_level_irq); + __irq_set_handler_locked(d->irq, handle_level_irq); writel_relaxed(mask, pio + PIO_LSR); writel_relaxed(mask, pio + PIO_FELLSR); break; case IRQ_TYPE_LEVEL_HIGH: - irq_set_handler(d->irq, handle_level_irq); + __irq_set_handler_locked(d->irq, handle_level_irq); writel_relaxed(mask, pio + PIO_LSR); writel_relaxed(mask, pio + PIO_REHLSR); break; @@ -1284,7 +1284,7 @@ static int alt_gpio_irq_type(struct irq_data *d, unsigned type) * disable additional interrupt modes: * fall back to default behavior */ - irq_set_handler(d->irq, handle_simple_irq); + __irq_set_handler_locked(d->irq, handle_simple_irq); writel_relaxed(mask, pio + PIO_AIMDR); return 0; case IRQ_TYPE_NONE: -- 1.8.2.2