Added gpio export by name

1 files changed, 34 insertions, 0 deletions

diff --git a/recipes-kernel/linux/linux-at91-5.4.81/linux-5.4-export_name_to_desc.patch b/recipes-kernel/linux/linux-at91-5.4.81/linux-5.4-export_name_to_desc.patch
new file mode 100644
index 0000000..8fe2a69
--- /dev/null
+++ b/recipes-kernel/linux/linux-at91-5.4.81/linux-5.4-export_name_to_desc.patch
@@ -0,0 +1,34 @@
+diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
+index abdf448b11a3..42d4e1439350 100644
+--- a/drivers/gpio/gpiolib.c
++++ b/drivers/gpio/gpiolib.c
+@@ -296,7 +296,7 @@ static int gpiodev_add_to_list(struct gpio_device *gdev)
+ /*
+  * Convert a GPIO name to its descriptor
+  */
+-static struct gpio_desc *gpio_name_to_desc(const char * const name)
++struct gpio_desc *gpio_name_to_desc(const char * const name)
+ {
+ 	struct gpio_device *gdev;
+ 	unsigned long flags;
+@@ -324,6 +324,7 @@ static struct gpio_desc *gpio_name_to_desc(const char * const name)
+ 	return NULL;
+ }
+ 
++EXPORT_SYMBOL_GPL(gpio_name_to_desc);
+ /*
+  * Takes the names from gc->names and checks if they are all unique. If they
+  * are, they are assigned to their gpio descriptors.
+diff --git a/drivers/gpio/gpiolib.h b/drivers/gpio/gpiolib.h
+index b8b10a409c7b..7f1b727b5fcc 100644
+--- a/drivers/gpio/gpiolib.h
++++ b/drivers/gpio/gpiolib.h
+@@ -77,7 +77,7 @@ struct gpio_array {
+ 	unsigned long		*set_mask;
+ 	unsigned long		invert_mask[];
+ };
+-
++struct gpio_desc *gpio_name_to_desc(const char * const name);
+ struct gpio_desc *gpiochip_get_desc(struct gpio_chip *chip, u16 hwnum);
+ int gpiod_get_array_value_complex(bool raw, bool can_sleep,
+ 				  unsigned int array_size,