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gpiolib: add irq_not_threaded flag to gpio_chip

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Some GPIO chips (e.g. the DLN2 USB adapter) have blocking get/set
operation but do not need a threaded irq handler.

Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Octavian Purdila
2014-09-19 23:22:44 +03:00
committed by Linus Walleij
parent 4f51b91335
commit 295494af06
2 changed files with 4 additions and 1 deletions
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2
drivers/gpio/gpiolib.c
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@ -437,7 +437,7 @@ static int gpiochip_irq_map(struct irq_domain *d, unsigned int irq,
irq_set_lockdep_class(irq, &gpiochip_irq_lock_class);
irq_set_chip_and_handler(irq, chip->irqchip, chip->irq_handler);
/* Chips that can sleep need nested thread handlers */
if (chip->can_sleep)
if (chip->can_sleep && !chip->irq_not_threaded)
irq_set_nested_thread(irq, 1);
#ifdef CONFIG_ARM
set_irq_flags(irq, IRQF_VALID);