pinctrl: lynxpoint: reuse common functions from pinctrl-intel

Reuse common functions from pinctrl-intel driver.
While at it, select pinctrl-intel for Intel Lynxpoint driver.

Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Link: https://lore.kernel.org/r/20230814060311.15945-5-raag.jadav@intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

Author: raagjadav

drivers/pinctrl/intel/Kconfig

@@ -26,11 +26,7 @@ config PINCTRL_CHERRYVIEW
 config PINCTRL_LYNXPOINT
 	tristate "Intel Lynxpoint pinctrl and GPIO driver"
 	depends on ACPI
-	select PINMUX
-	select PINCONF
-	select GENERIC_PINCONF
-	select GPIOLIB
-	select GPIOLIB_IRQCHIP
+	select PINCTRL_INTEL
 	help
 	  Lynxpoint is the PCH of Intel Haswell. This pinctrl driver
 	  provides an interface that allows configuring of PCH pins and

drivers/pinctrl/intel/pinctrl-lynxpoint.c

@@ -206,29 +206,14 @@ static const struct intel_pinctrl_soc_data lptlp_soc_data = {
  * IOxAPIC redirection map applies only for gpio 8-10, 13-14, 45-55.
  */
 
-static struct intel_community *lp_get_community(struct intel_pinctrl *lg,
-						unsigned int pin)
-{
-	struct intel_community *comm;
-	int i;
-
-	for (i = 0; i < lg->ncommunities; i++) {
-		comm = &lg->communities[i];
-		if (pin < comm->pin_base + comm->npins && pin >= comm->pin_base)
-			return comm;
-	}
-
-	return NULL;
-}
-
 static void __iomem *lp_gpio_reg(struct gpio_chip *chip, unsigned int offset,
 				 int reg)
 {
 	struct intel_pinctrl *lg = gpiochip_get_data(chip);
 	struct intel_community *comm;
 	int reg_offset;
 
-	comm = lp_get_community(lg, offset);
+	comm = intel_get_community(lg, offset);
 	if (!comm)
 		return NULL;
 
@@ -272,34 +257,6 @@ static bool lp_gpio_ioxapic_use(struct gpio_chip *chip, unsigned int offset)
 	return false;
 }
 
-static int lp_get_groups_count(struct pinctrl_dev *pctldev)
-{
-	struct intel_pinctrl *lg = pinctrl_dev_get_drvdata(pctldev);
-
-	return lg->soc->ngroups;
-}
-
-static const char *lp_get_group_name(struct pinctrl_dev *pctldev,
-				     unsigned int selector)
-{
-	struct intel_pinctrl *lg = pinctrl_dev_get_drvdata(pctldev);
-
-	return lg->soc->groups[selector].grp.name;
-}
-
-static int lp_get_group_pins(struct pinctrl_dev *pctldev,
-			     unsigned int selector,
-			     const unsigned int **pins,
-			     unsigned int *num_pins)
-{
-	struct intel_pinctrl *lg = pinctrl_dev_get_drvdata(pctldev);
-
-	*pins		= lg->soc->groups[selector].grp.pins;
-	*num_pins	= lg->soc->groups[selector].grp.npins;
-
-	return 0;
-}
-
 static void lp_pin_dbg_show(struct pinctrl_dev *pctldev, struct seq_file *s,
 			    unsigned int pin)
 {
@@ -323,40 +280,12 @@ static void lp_pin_dbg_show(struct pinctrl_dev *pctldev, struct seq_file *s,
 }
 
 static const struct pinctrl_ops lptlp_pinctrl_ops = {
-	.get_groups_count	= lp_get_groups_count,
-	.get_group_name		= lp_get_group_name,
-	.get_group_pins		= lp_get_group_pins,
+	.get_groups_count	= intel_get_groups_count,
+	.get_group_name		= intel_get_group_name,
+	.get_group_pins		= intel_get_group_pins,
 	.pin_dbg_show		= lp_pin_dbg_show,
 };
 
-static int lp_get_functions_count(struct pinctrl_dev *pctldev)
-{
-	struct intel_pinctrl *lg = pinctrl_dev_get_drvdata(pctldev);
-
-	return lg->soc->nfunctions;
-}
-
-static const char *lp_get_function_name(struct pinctrl_dev *pctldev,
-					unsigned int selector)
-{
-	struct intel_pinctrl *lg = pinctrl_dev_get_drvdata(pctldev);
-
-	return lg->soc->functions[selector].func.name;
-}
-
-static int lp_get_function_groups(struct pinctrl_dev *pctldev,
-				  unsigned int selector,
-				  const char * const **groups,
-				  unsigned int *ngroups)
-{
-	struct intel_pinctrl *lg = pinctrl_dev_get_drvdata(pctldev);
-
-	*groups		= lg->soc->functions[selector].func.groups;
-	*ngroups	= lg->soc->functions[selector].func.ngroups;
-
-	return 0;
-}
-
 static int lp_pinmux_set_mux(struct pinctrl_dev *pctldev,
 			     unsigned int function, unsigned int group)
 {
@@ -481,9 +410,9 @@ static int lp_gpio_set_direction(struct pinctrl_dev *pctldev,
 }
 
 static const struct pinmux_ops lptlp_pinmux_ops = {
-	.get_functions_count	= lp_get_functions_count,
-	.get_function_name	= lp_get_function_name,
-	.get_function_groups	= lp_get_function_groups,
+	.get_functions_count	= intel_get_functions_count,
+	.get_function_name	= intel_get_function_name,
+	.get_function_groups	= intel_get_function_groups,
 	.set_mux		= lp_pinmux_set_mux,
 	.gpio_request_enable	= lp_gpio_request_enable,
 	.gpio_disable_free	= lp_gpio_disable_free,
@@ -987,3 +916,4 @@ MODULE_AUTHOR("Andy Shevchenko (Intel)");
 MODULE_DESCRIPTION("Intel Lynxpoint pinctrl driver");
 MODULE_LICENSE("GPL v2");
 MODULE_ALIAS("platform:lp_gpio");
+MODULE_IMPORT_NS(PINCTRL_INTEL);