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| author | Linus Walleij <linus.walleij@linaro.org> | 2011-11-10 09:27:41 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2012-01-03 09:10:00 +0100 |
| commit | 336cdba09a5df706402628fb20b7660d186aff6c (patch) | |
| tree | 11b37bcab80437edf7d7941886dea964c1e58de7 /drivers/pinctrl/pinmux.c | |
| parent | pinctrl: add explicit gpio_disable_free pinmux_op (diff) | |
| download | linux-336cdba09a5df706402628fb20b7660d186aff6c.tar.xz linux-336cdba09a5df706402628fb20b7660d186aff6c.zip | |
pinctrl: documentation update
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>
Diffstat (limited to 'drivers/pinctrl/pinmux.c')
| -rw-r--r-- | drivers/pinctrl/pinmux.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/pinctrl/pinmux.c b/drivers/pinctrl/pinmux.c index c77aee5508fb..ee3aba78c3dd 100644 --- a/drivers/pinctrl/pinmux.c +++ b/drivers/pinctrl/pinmux.c @@ -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) |