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staging: mt7621-gpio: add kerneldoc for state data containers

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This commit adds kerneldoc for the two data containers in
order to better understanding of its existence.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sergio Paracuellos 2018-06-18 11:36:08 +02:00 committed by Greg Kroah-Hartman
parent 72b2884d62
commit fe84f0c9b7
1 changed files with 18 additions and 0 deletions
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18
drivers/staging/mt7621-gpio/gpio-mt7621.c
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@ -31,6 +31,14 @@
#define GPIO_REG_STAT 0x90
#define GPIO_REG_EDGE 0xA0
/**
* struct mtk_gc - data for a single gpio-chip
* @chip: gpio chip instance
* @lock: spinlock to protect the chip
* @bank: gpio bank number for the chip
* @rising: mask for rising irqs
* @falling: mask for falling irqs
*/
struct mtk_gc {
struct gpio_chip chip;
spinlock_t lock;
@ -39,6 +47,16 @@ struct mtk_gc {
u32 falling;
};
/**
* struct mtk_data - state container for
* data of the platform driver. It is a
* single irq-chip but 3 separate gpio-chip.
* @dev: device instance
* @gpio_membase: memory base address
* @gpio_irq: irq number from the device tree
* @gpio_irq_domain: irq domain for this chip
* @gc_map: array of the gpio chips
*/
struct mtk_data {
struct device *dev;
void __iomem *gpio_membase;