[PATCH v3 02/11] pinctrl: equilibrium: Make use of struct pinfunction

From: Andy Shevchenko
Date: Thu May 30 2024 - 05:01:04 EST


From: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>

Since pin control provides a generic data type for the pin function,
use it in the driver.

Signed-off-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
---
drivers/pinctrl/pinctrl-equilibrium.c | 24 +++++++++++++-----------
drivers/pinctrl/pinctrl-equilibrium.h | 12 ------------
2 files changed, 13 insertions(+), 23 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-equilibrium.c b/drivers/pinctrl/pinctrl-equilibrium.c
index 6e1be38865c3..a6d089eaaae5 100644
--- a/drivers/pinctrl/pinctrl-equilibrium.c
+++ b/drivers/pinctrl/pinctrl-equilibrium.c
@@ -566,8 +566,8 @@ static const struct pinconf_ops eqbr_pinconf_ops = {
.pin_config_config_dbg_show = pinconf_generic_dump_config,
};

-static bool is_func_exist(struct eqbr_pmx_func *funcs, const char *name,
- unsigned int nr_funcs, unsigned int *idx)
+static bool is_func_exist(struct pinfunction *funcs, const char *name,
+ unsigned int nr_funcs, unsigned int *idx)
{
int i;

@@ -584,13 +584,14 @@ static bool is_func_exist(struct eqbr_pmx_func *funcs, const char *name,
return false;
}

-static int funcs_utils(struct device *dev, struct eqbr_pmx_func *funcs,
+static int funcs_utils(struct device *dev, struct pinfunction *funcs,
unsigned int *nr_funcs, funcs_util_ops op)
{
struct device_node *node = dev->of_node;
struct device_node *np;
struct property *prop;
const char *fn_name;
+ const char **groups;
unsigned int fid;
int i, j;

@@ -620,15 +621,16 @@ static int funcs_utils(struct device *dev, struct eqbr_pmx_func *funcs,

case OP_COUNT_NR_FUNC_GRPS:
if (is_func_exist(funcs, fn_name, *nr_funcs, &fid))
- funcs[fid].nr_groups++;
+ funcs[fid].ngroups++;
break;

case OP_ADD_FUNC_GRPS:
if (is_func_exist(funcs, fn_name, *nr_funcs, &fid)) {
- for (j = 0; j < funcs[fid].nr_groups; j++)
- if (!funcs[fid].groups[j])
+ groups = (const char **)funcs[fid].groups;
+ for (j = 0; j < funcs[fid].ngroups; j++)
+ if (!groups[j])
break;
- funcs[fid].groups[j] = prop->value;
+ groups[j] = prop->value;
}
break;

@@ -645,7 +647,7 @@ static int funcs_utils(struct device *dev, struct eqbr_pmx_func *funcs,
static int eqbr_build_functions(struct eqbr_pinctrl_drv_data *drvdata)
{
struct device *dev = drvdata->dev;
- struct eqbr_pmx_func *funcs = NULL;
+ struct pinfunction *funcs = NULL;
unsigned int nr_funcs = 0;
int i, ret;

@@ -666,9 +668,9 @@ static int eqbr_build_functions(struct eqbr_pinctrl_drv_data *drvdata)
return ret;

for (i = 0; i < nr_funcs; i++) {
- if (!funcs[i].nr_groups)
+ if (!funcs[i].ngroups)
continue;
- funcs[i].groups = devm_kcalloc(dev, funcs[i].nr_groups,
+ funcs[i].groups = devm_kcalloc(dev, funcs[i].ngroups,
sizeof(*(funcs[i].groups)),
GFP_KERNEL);
if (!funcs[i].groups)
@@ -688,7 +690,7 @@ static int eqbr_build_functions(struct eqbr_pinctrl_drv_data *drvdata)
ret = pinmux_generic_add_function(drvdata->pctl_dev,
funcs[i].name,
funcs[i].groups,
- funcs[i].nr_groups,
+ funcs[i].ngroups,
drvdata);
if (ret < 0) {
dev_err(dev, "Failed to register function %s\n",
diff --git a/drivers/pinctrl/pinctrl-equilibrium.h b/drivers/pinctrl/pinctrl-equilibrium.h
index 83768cc8b3db..b4d149bde39d 100644
--- a/drivers/pinctrl/pinctrl-equilibrium.h
+++ b/drivers/pinctrl/pinctrl-equilibrium.h
@@ -67,18 +67,6 @@ struct gpio_irq_type {
unsigned int logic_type;
};

-/**
- * struct eqbr_pmx_func: represent a pin function.
- * @name: name of the pin function, used to lookup the function.
- * @groups: one or more names of pin groups that provide this function.
- * @nr_groups: number of groups included in @groups.
- */
-struct eqbr_pmx_func {
- const char *name;
- const char **groups;
- unsigned int nr_groups;
-};
-
/**
* struct eqbr_pin_bank: represent a pin bank.
* @membase: base address of the pin bank register.
--
2.45.1