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gpiolib: Document new gpio_chip.init_valid_mask field

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A new field init_valid_mask was added to struct gpio_chip, but it was
not documented.

Fixes: f8ec92a9f6 ("gpiolib: Add init_valid_mask exported function")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20190701142650.25122-1-geert+renesas@glider.be
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Geert Uytterhoeven 2019-07-01 16:26:50 +02:00 committed by Linus Walleij
parent 01f14c5259
commit f99d479bcb
1 changed files with 2 additions and 0 deletions
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2
include/linux/gpio/driver.h
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@ -194,6 +194,8 @@ struct gpio_irq_chip {
* @dbg_show: optional routine to show contents in debugfs; default code
* will be used when this is omitted, but custom code can show extra
* state (such as pullup/pulldown configuration).
* @init_valid_mask: optional routine to initialize @valid_mask, to be used if
* not all GPIOs are valid.
* @base: identifies the first GPIO number handled by this chip;
* or, if negative during registration, requests dynamic ID allocation.
* DEPRECATION: providing anything non-negative and nailing the base