Update Linux to v5.10.109

Sourced from [1]

[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz

Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/drivers/gpio/gpiolib.h b/drivers/gpio/gpiolib.h
index b8b10a4..b674b5b 100644
--- a/drivers/gpio/gpiolib.h
+++ b/drivers/gpio/gpiolib.h
@@ -16,6 +16,8 @@
 #include <linux/module.h>
 #include <linux/cdev.h>
 
+#define GPIOCHIP_NAME	"gpiochip"
+
 /**
  * struct gpio_device - internal state container for GPIO devices
  * @id: numerical ID number for the GPIO chip
@@ -54,6 +56,7 @@
 	const char		*label;
 	void			*data;
 	struct list_head        list;
+	struct blocking_notifier_head notifier;
 
 #ifdef CONFIG_PINCTRL
 	/*
@@ -78,7 +81,7 @@
 	unsigned long		invert_mask[];
 };
 
-struct gpio_desc *gpiochip_get_desc(struct gpio_chip *chip, u16 hwnum);
+struct gpio_desc *gpiochip_get_desc(struct gpio_chip *gc, unsigned int hwnum);
 int gpiod_get_array_value_complex(bool raw, bool can_sleep,
 				  unsigned int array_size,
 				  struct gpio_desc **desc_array,
@@ -110,11 +113,21 @@
 #define FLAG_TRANSITORY 12	/* GPIO may lose value in sleep or reset */
 #define FLAG_PULL_UP    13	/* GPIO has pull up enabled */
 #define FLAG_PULL_DOWN  14	/* GPIO has pull down enabled */
+#define FLAG_BIAS_DISABLE    15	/* GPIO has pull disabled */
+#define FLAG_EDGE_RISING     16	/* GPIO CDEV detects rising edge events */
+#define FLAG_EDGE_FALLING    17	/* GPIO CDEV detects falling edge events */
 
 	/* Connection label */
 	const char		*label;
 	/* Name of the GPIO */
 	const char		*name;
+#ifdef CONFIG_OF_DYNAMIC
+	struct device_node	*hog;
+#endif
+#ifdef CONFIG_GPIO_CDEV
+	/* debounce period in microseconds */
+	unsigned int		debounce_period_us;
+#endif
 };
 
 int gpiod_request(struct gpio_desc *desc, const char *label);
@@ -155,35 +168,17 @@
 
 /* With chip prefix */
 
-#define chip_emerg(chip, fmt, ...)					\
-	dev_emerg(&chip->gpiodev->dev, "(%s): " fmt, chip->label, ##__VA_ARGS__)
-#define chip_crit(chip, fmt, ...)					\
-	dev_crit(&chip->gpiodev->dev, "(%s): " fmt, chip->label, ##__VA_ARGS__)
-#define chip_err(chip, fmt, ...)					\
-	dev_err(&chip->gpiodev->dev, "(%s): " fmt, chip->label, ##__VA_ARGS__)
-#define chip_warn(chip, fmt, ...)					\
-	dev_warn(&chip->gpiodev->dev, "(%s): " fmt, chip->label, ##__VA_ARGS__)
-#define chip_info(chip, fmt, ...)					\
-	dev_info(&chip->gpiodev->dev, "(%s): " fmt, chip->label, ##__VA_ARGS__)
-#define chip_dbg(chip, fmt, ...)					\
-	dev_dbg(&chip->gpiodev->dev, "(%s): " fmt, chip->label, ##__VA_ARGS__)
-
-#ifdef CONFIG_GPIO_SYSFS
-
-int gpiochip_sysfs_register(struct gpio_device *gdev);
-void gpiochip_sysfs_unregister(struct gpio_device *gdev);
-
-#else
-
-static inline int gpiochip_sysfs_register(struct gpio_device *gdev)
-{
-	return 0;
-}
-
-static inline void gpiochip_sysfs_unregister(struct gpio_device *gdev)
-{
-}
-
-#endif /* CONFIG_GPIO_SYSFS */
+#define chip_emerg(gc, fmt, ...)					\
+	dev_emerg(&gc->gpiodev->dev, "(%s): " fmt, gc->label, ##__VA_ARGS__)
+#define chip_crit(gc, fmt, ...)					\
+	dev_crit(&gc->gpiodev->dev, "(%s): " fmt, gc->label, ##__VA_ARGS__)
+#define chip_err(gc, fmt, ...)					\
+	dev_err(&gc->gpiodev->dev, "(%s): " fmt, gc->label, ##__VA_ARGS__)
+#define chip_warn(gc, fmt, ...)					\
+	dev_warn(&gc->gpiodev->dev, "(%s): " fmt, gc->label, ##__VA_ARGS__)
+#define chip_info(gc, fmt, ...)					\
+	dev_info(&gc->gpiodev->dev, "(%s): " fmt, gc->label, ##__VA_ARGS__)
+#define chip_dbg(gc, fmt, ...)					\
+	dev_dbg(&gc->gpiodev->dev, "(%s): " fmt, gc->label, ##__VA_ARGS__)
 
 #endif /* GPIOLIB_H */