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pinctrl: documentation update

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Update the docs removing an obsolete __refdata tag and document
the mysterious return value of pin_free(). And fixes up some various
confusions in the pinctrl documentation.

Reported-by: Rajendra Nayak <rnayak@ti.com>
Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Reported-by: Thomas Abraham <thomas.abraham@linaro.org>
Reported-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij
2011-11-10 09:27:41 +01:00
parent 3712a3c488
commit 336cdba09a
2 changed files with 35 additions and 31 deletions
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6
drivers/pinctrl/pinmux.c
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@@ -174,6 +174,10 @@ out:
* @pin: the pin to free
* @gpio_range: the range matching the GPIO pin if this is a request for a
* single GPIO pin
*
* This function returns a pointer to the function name in use. This is used
* for callers that dynamically allocate a function name so it can be freed
* once the pin is free. This is done for GPIO request functions.
*/
static const char *pin_free(struct pinctrl_dev *pctldev, int pin,
struct pinctrl_gpio_range *gpio_range)
@@ -919,7 +923,7 @@ int pinmux_hog_maps(struct pinctrl_dev *pctldev)
}
/**
* pinmux_hog_maps() - unhog specific map entries on controller device
* pinmux_unhog_maps() - unhog specific map entries on controller device
* @pctldev: the pin control device to unhog entries on
*/
void pinmux_unhog_maps(struct pinctrl_dev *pctldev)