pinctrl: intel: Provide Intel pin control wide PM ops structure

With the help of EXPORT_NS_GPL_DEV_PM_OPS() and
NOIRQ_SYSTEM_SLEEP_PM_OPS() we may convert PM ops functions to become
static. This also takes into account the PM configuration options such
as CONFIG_PM and CONFIG_PM_SLEEP. Hence the first step is to provide
a generic PM ops structure that can be used by drivers directly.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20231030120734.2831419-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

diff --git a/drivers/pinctrl/intel/pinctrl-intel.c b/drivers/pinctrl/intel/pinctrl-intel.c
index 652ba45..b415bdb 100644 (file)
--- a/drivers/pinctrl/intel/pinctrl-intel.c
+++ b/drivers/pinctrl/intel/pinctrl-intel.c
@@ -899,7 +899,7 @@ static int intel_gpio_to_pin(struct intel_pinctrl *pctrl, unsigned int offset,
  *
  * Return: a GPIO offset, or negative error code if translation can't be done.
  */
-static __maybe_unused int intel_pin_to_gpio(struct intel_pinctrl *pctrl, int pin)
+static int intel_pin_to_gpio(struct intel_pinctrl *pctrl, int pin)
 {
        const struct intel_community *community;
        const struct intel_padgroup *padgrp;
@@ -1682,7 +1682,6 @@ const struct intel_pinctrl_soc_data *intel_pinctrl_get_soc_data(struct platform_
 }
 EXPORT_SYMBOL_NS_GPL(intel_pinctrl_get_soc_data, PINCTRL_INTEL);
 
-#ifdef CONFIG_PM_SLEEP
 static bool __intel_gpio_is_direct_irq(u32 value)
 {
        return (value & PADCFG0_GPIROUTIOXAPIC) && (value & PADCFG0_GPIOTXDIS) &&
@@ -1883,7 +1882,10 @@ int intel_pinctrl_resume_noirq(struct device *dev)
        return 0;
 }
 EXPORT_SYMBOL_GPL(intel_pinctrl_resume_noirq);
-#endif
+
+EXPORT_NS_GPL_DEV_PM_OPS(intel_pinctrl_pm_ops, PINCTRL_INTEL) = {
+       NOIRQ_SYSTEM_SLEEP_PM_OPS(intel_pinctrl_suspend_noirq, intel_pinctrl_resume_noirq)
+};
 
 MODULE_AUTHOR("Mathias Nyman <mathias.nyman@linux.intel.com>");
 MODULE_AUTHOR("Mika Westerberg <mika.westerberg@linux.intel.com>");

diff --git a/drivers/pinctrl/intel/pinctrl-intel.h b/drivers/pinctrl/intel/pinctrl-intel.h
index 2bb5535..d3f511f 100644 (file)
--- a/drivers/pinctrl/intel/pinctrl-intel.h
+++ b/drivers/pinctrl/intel/pinctrl-intel.h
@@ -255,10 +255,8 @@ struct intel_pinctrl {
 int intel_pinctrl_probe_by_hid(struct platform_device *pdev);
 int intel_pinctrl_probe_by_uid(struct platform_device *pdev);
 
-#ifdef CONFIG_PM_SLEEP
 int intel_pinctrl_suspend_noirq(struct device *dev);
 int intel_pinctrl_resume_noirq(struct device *dev);
-#endif
 
 #define INTEL_PINCTRL_PM_OPS(_name)                                    \
 const struct dev_pm_ops _name = {                                      \
@@ -266,6 +264,8 @@ const struct dev_pm_ops _name = {                                   \
                                      intel_pinctrl_resume_noirq)       \
 }
 
+extern const struct dev_pm_ops intel_pinctrl_pm_ops;
+
 struct intel_community *intel_get_community(struct intel_pinctrl *pctrl, unsigned int pin);
 
 int intel_get_groups_count(struct pinctrl_dev *pctldev);