[PATCH v3 13/22] pinctrl: core: Embed struct pingroup into struct group_desc

Andy Shevchenko
2023-11-28T20:06:07Z

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

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
drivers/pinctrl/core.c | 15 ++++++++++++---
drivers/pinctrl/core.h | 5 +++++
2 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index 3f1fd50fbb10..e08d4b3b0a56 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -559,7 +559,10 @@ const char *pinctrl_generic_get_group_name(struct pinctrl_dev *pctldev,
if (!group)
return NULL;

- return group->name;
+ if (group->name)
+ return group->name;
+
+ return group->grp.name;
}
EXPORT_SYMBOL_GPL(pinctrl_generic_get_group_name);

@@ -585,8 +588,14 @@ int pinctrl_generic_get_group_pins(struct pinctrl_dev *pctldev,
return -EINVAL;
}

- *pins = group->pins;
- *num_pins = group->num_pins;
+ if (group->pins) {
+ *pins = group->pins;
+ *num_pins = group->num_pins;
+ return 0;
+ }
+
+ *pins = group->grp.pins;
+ *num_pins = group->grp.npins;

return 0;
}
diff --git a/drivers/pinctrl/core.h b/drivers/pinctrl/core.h
index 276a631fd49c..863b4956a41e 100644
--- a/drivers/pinctrl/core.h
+++ b/drivers/pinctrl/core.h
@@ -194,14 +194,18 @@ struct pinctrl_maps {

#ifdef CONFIG_GENERIC_PINCTRL_GROUPS

+#include <linux/pinctrl/pinctrl.h>
+
/**
* struct group_desc - generic pin group descriptor
+ * @grp: generic data of the pin group (name and pins)
* @name: name of the pin group
* @pins: array of pins that belong to the group
* @num_pins: number of pins in the group
* @data: pin controller driver specific data
*/
struct group_desc {
+ struct pingroup grp;
const char *name;
const int *pins;
int num_pins;
@@ -211,6 +215,7 @@ struct group_desc {
/* Convenience macro to define a generic pin group descriptor */
#define PINCTRL_GROUP_DESC(_name, _pins, _num_pins, _data) \
(struct group_desc) { \
+ .grp = PINCTRL_PINGROUP(_name, _pins, _num_pins), \
.name = _name, \
.pins = _pins, \
.num_pins = _num_pins, \
--
2.43.0.rc1.1.gbec44491f096