diff options
| -rw-r--r-- | Documentation/pinctrl.txt | 8 | ||||
| -rw-r--r-- | drivers/pinctrl/core.c | 6 | ||||
| -rw-r--r-- | include/linux/pinctrl/machine.h | 18 |
3 files changed, 12 insertions, 20 deletions
diff --git a/Documentation/pinctrl.txt b/Documentation/pinctrl.txt index 2e7132355db..ee3266b948e 100644 --- a/Documentation/pinctrl.txt +++ b/Documentation/pinctrl.txt @@ -989,21 +989,21 @@ is registered. This means that the core will attempt to call pinctrl_get() and pinctrl_enable() on it immediately after the pin control device has been registered. -This is enabled by simply setting the .hog_on_boot field in the map to true, -like this: +This is enabled by simply setting the .dev_name field in the map to the name +of the pin controller itself, like this: { .name = "POWERMAP" .ctrl_dev_name = "pinctrl-foo", .function = "power_func", - .hog_on_boot = true, + .dev_name = "pinctrl-foo", }, Since it may be common to request the core to hog a few always-applicable mux settings on the primary pin controller, there is a convenience macro for this: -PIN_MAP_PRIMARY_SYS_HOG("POWERMAP", "power_func") +PIN_MAP_PRIMARY_SYS_HOG("POWERMAP", "pinctrl-foo", "power_func") This gives the exact same result as the above construction. diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c index ec32c545f07..c5f76ad5a8c 100644 --- a/drivers/pinctrl/core.c +++ b/drivers/pinctrl/core.c @@ -793,11 +793,9 @@ int pinctrl_hog_maps(struct pinctrl_dev *pctldev) for (i = 0; i < pinctrl_maps_num; i++) { struct pinctrl_map const *map = &pinctrl_maps[i]; - if (!map->hog_on_boot) - continue; - if (map->ctrl_dev_name && - !strcmp(map->ctrl_dev_name, devname)) { + !strcmp(map->ctrl_dev_name, devname) && + !strcmp(map->dev_name, devname)) { /* OK time to hog! */ ret = pinctrl_hog_map(pctldev, map); if (ret) diff --git a/include/linux/pinctrl/machine.h b/include/linux/pinctrl/machine.h index a2ab524a010..af145d57197 100644 --- a/include/linux/pinctrl/machine.h +++ b/include/linux/pinctrl/machine.h @@ -26,13 +26,9 @@ * selects a certain specific pin group to activate for the function, if * left as NULL, the first applicable group will be used * @dev_name: the name of the device using this specific mapping, the name - * must be the same as in your struct device* - * @hog_on_boot: if this is set to true, the pin control subsystem will itself - * hog the mappings as the pinmux device drivers are attached, so this is - * typically used with system maps (mux mappings without an assigned - * device) that you want to get hogged and enabled by default as soon as - * a pinmux device supporting it is registered. These maps will not be - * disabled and put until the system shuts down. + * must be the same as in your struct device*. If this name is set to the + * same name as the pin controllers own dev_name(), the map entry will be + * hogged by the driver itself upon registration */ struct pinctrl_map { const char *name; @@ -40,7 +36,6 @@ struct pinctrl_map { const char *function; const char *group; const char *dev_name; - bool hog_on_boot; }; /* @@ -62,8 +57,7 @@ struct pinctrl_map { * to be hogged by the pin control core until the system shuts down. */ #define PIN_MAP_SYS_HOG(a, b, c) \ - { .name = a, .ctrl_dev_name = b, .function = c, \ - .hog_on_boot = true } + { .name = a, .ctrl_dev_name = b, .dev_name = b, .function = c, } /* * Convenience macro to map a system function onto a certain pinctrl device @@ -71,8 +65,8 @@ struct pinctrl_map { * system shuts down. */ #define PIN_MAP_SYS_HOG_GROUP(a, b, c, d) \ - { .name = a, .ctrl_dev_name = b, .function = c, .group = d, \ - .hog_on_boot = true } + { .name = a, .ctrl_dev_name = b, .dev_name = b, .function = c, \ + .group = d, } #ifdef CONFIG_PINMUX |