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gpio: Properly document parent data union

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Suppress a warning in the html docs by documenting these fields separately.

Signed-off-by: Joey Gouly <joey.gouly@arm.com>
Link: https://lore.kernel.org/lkml/20211027220118.71a229ab@canb.auug.org.au/
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Bartosz Golaszewski <brgl@bgdev.pl>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
This commit is contained in:
Joey Gouly 2022-03-18 12:12:33 +00:00 committed by Bartosz Golaszewski
parent 576892a84f
commit 48ec13d36d
1 changed files with 8 additions and 5 deletions
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13
include/linux/gpio/driver.h
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@ -168,13 +168,16 @@ struct gpio_irq_chip {
/**
* @parent_handler_data:
*
* If @per_parent_data is false, @parent_handler_data is a single
* pointer used as the data associated with every parent interrupt.
*
* @parent_handler_data_array:
*
* Data associated, and passed to, the handler for the parent
* interrupt. Can either be a single pointer if @per_parent_data
* is false, or an array of @num_parents pointers otherwise. If
* @per_parent_data is true, @parent_handler_data_array cannot be
* NULL.
* If @per_parent_data is true, @parent_handler_data_array is
* an array of @num_parents pointers, and is used to associate
* different data for each parent. This cannot be NULL if
* @per_parent_data is true.
*/
union {
void *parent_handler_data;