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pinctrl: pinmux: Embed struct pinfunction into struct function_desc

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struct function_desc is a particular version of the struct pinfunction
with associated opaque data. Start switching pin control core and
drivers to use it explicitly.

Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20240530085745.1539925-7-andy.shevchenko@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Andy Shevchenko 2024-05-30 11:55:15 +03:00 committed by Linus Walleij
parent f26945d76a
commit 37997d7b55
2 changed files with 9 additions and 6 deletions
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10
drivers/pinctrl/pinmux.c
View File

@ -796,7 +796,7 @@ pinmux_generic_get_function_name(struct pinctrl_dev *pctldev,
if (!function)
return NULL;
return function->name;
return function->func.name;
}
EXPORT_SYMBOL_GPL(pinmux_generic_get_function_name);
@ -805,12 +805,12 @@ EXPORT_SYMBOL_GPL(pinmux_generic_get_function_name);
* @pctldev: pin controller device
* @selector: function number
* @groups: array of pin groups
* @num_groups: number of pin groups
* @ngroups: number of pin groups
*/
int pinmux_generic_get_function_groups(struct pinctrl_dev *pctldev,
unsigned int selector,
const char * const **groups,
unsigned int * const num_groups)
unsigned int * const ngroups)
{
struct function_desc *function;
@ -821,8 +821,8 @@ int pinmux_generic_get_function_groups(struct pinctrl_dev *pctldev,
__func__, selector);
return -EINVAL;
}
*groups = function->group_names;
*num_groups = function->num_group_names;
*groups = function->func.groups;
*ngroups = function->func.ngroups;
return 0;
}

5
drivers/pinctrl/pinmux.h
View File

@ -133,12 +133,14 @@ static inline void pinmux_init_device_debugfs(struct dentry *devroot,
/**
* struct function_desc - generic function descriptor
* @func: generic data of the pin function (name and groups of pins)
* @name: name of the function
* @group_names: array of pin group names
* @num_group_names: number of pin group names
* @data: pin controller driver specific data
*/
struct function_desc {
struct pinfunction func;
const char *name;
const char * const *group_names;
int num_group_names;
@ -148,6 +150,7 @@ struct function_desc {
/* Convenient macro to define a generic pin function descriptor */
#define PINCTRL_FUNCTION_DESC(_name, _grps, _num_grps, _data) \
(struct function_desc) { \
.func = PINCTRL_PINFUNCTION(_name, _grps, _num_grps), \
.name = _name, \
.group_names = _grps, \
.num_group_names = _num_grps, \
@ -163,7 +166,7 @@ pinmux_generic_get_function_name(struct pinctrl_dev *pctldev,
int pinmux_generic_get_function_groups(struct pinctrl_dev *pctldev,
unsigned int selector,
const char * const **groups,
unsigned int * const num_groups);
unsigned int * const ngroups);
struct function_desc *pinmux_generic_get_function(struct pinctrl_dev *pctldev,
unsigned int selector);