From 13e80244ca7e51d5eb7803f05e0579b11fc89048 Mon Sep 17 00:00:00 2001
From: Hanna Hawa <hhhawa@amazon.com>
Date: Wed, 28 Dec 2022 16:48:12 +0000
Subject: [PATCH] pinctrl: Add an API to get the pinctrl pins if initialized

Add an API to get the pinctrl pins if it was initialized before driver
probed. This API will be used in I2C core to get the device pinctrl
information for recovery state change.

Signed-off-by: Hanna Hawa <hhhawa@amazon.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
---
 include/linux/pinctrl/devinfo.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/include/linux/pinctrl/devinfo.h b/include/linux/pinctrl/devinfo.h
index 9e8b559e1253..bb6653af4f92 100644
--- a/include/linux/pinctrl/devinfo.h
+++ b/include/linux/pinctrl/devinfo.h
@@ -18,6 +18,8 @@ struct device;
 
 #ifdef CONFIG_PINCTRL
 
+#include <linux/device.h>
+
 /* The device core acts as a consumer toward pinctrl */
 #include <linux/pinctrl/consumer.h>
 
@@ -44,6 +46,14 @@ struct dev_pin_info {
 extern int pinctrl_bind_pins(struct device *dev);
 extern int pinctrl_init_done(struct device *dev);
 
+static inline struct pinctrl *dev_pinctrl(struct device *dev)
+{
+	if (!dev->pins)
+		return NULL;
+
+	return dev->pins->p;
+}
+
 #else
 
 /* Stubs if we're not using pinctrl */
@@ -58,5 +68,10 @@ static inline int pinctrl_init_done(struct device *dev)
 	return 0;
 }
 
+static inline struct pinctrl *dev_pinctrl(struct device *dev)
+{
+	return NULL;
+}
+
 #endif /* CONFIG_PINCTRL */
 #endif /* PINCTRL_DEVINFO_H */