leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

pinctrl: at91: use locked variant of irq_set_handler

Browse Source 
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 <nicolas.ferre@atmel.com>
Cc: stable <stable@vger.kernel.org> # v3.12
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Nicolas Ferre 2014-01-21 16:55:18 +01:00 committed by Linus Walleij
parent 38dbfb59d1
commit b0dcfd8732
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/pinctrl/pinctrl-at91.c
View File

@ -1286,22 +1286,22 @@ 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;
@ -1310,7 +1310,7 @@ 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: