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gpiolib: add description for gpio irqchip fields in struct gpio_chip 

Add missed description for GPIO irqchip fields in struct gpio_chip.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Grygorii Strashko 2015-08-17 15:35:24 +03:00 committed by Linus Walleij
parent 5e22ec0198
commit 41d6bb4c89
1 changed files with 11 additions and 0 deletions
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11
include/linux/gpio/driver.h
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@ -65,6 +65,17 @@ struct seq_file;
* registers.
* @irq_not_threaded: flag must be set if @can_sleep is set but the
* IRQs don't need to be threaded
* @irqchip: GPIO IRQ chip impl, provided by GPIO driver
* @irqdomain: Interrupt translation domain; responsible for mapping
* between GPIO hwirq number and linux irq number
* @irq_base: first linux IRQ number assigned to GPIO IRQ chip (deprecated)
* @irq_handler: the irq handler to use (often a predefined irq core function)
* for GPIO IRQs, provided by GPIO driver
* @irq_default_type: default IRQ triggering type applied during GPIO driver
* initialization, provided by GPIO driver
* @irq_parent: GPIO IRQ chip parent/bank linux irq number,
* provided by GPIO driver
* @lock_key: per GPIO IRQ chip lockdep class
*
* A gpio_chip can help platforms abstract various sources of GPIOs so
* they can all be accessed through a common programing interface.