linux-kernel - [PATCH] gpiolib: Document new gpio_chip.init_valid

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Date:   Mon,  1 Jul 2019 16:26:50 +0200
From:   Geert Uytterhoeven <geert+renesas@...der.be>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Cc:     Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        Geert Uytterhoeven <geert+renesas@...der.be>
Subject: [PATCH] gpiolib: Document new gpio_chip.init_valid_mask field

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

Fixes: f8ec92a9f63b3b11 ("gpiolib: Add init_valid_mask exported function")
Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
 include/linux/gpio/driver.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index 02698c0f34eaef16..269a4433f70cf6d8 100644
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h
@@ -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
-- 
2.17.1