1 files changed, 72 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.10/808-v5.18-0001-nvmem-core-Remove-unused-devm_nvmem_unregister.patch b/target/linux/generic/backport-5.10/808-v5.18-0001-nvmem-core-Remove-unused-devm_nvmem_unregister.patch
new file mode 100644
index 0000000000..2005493dc0
--- /dev/null
+++ b/target/linux/generic/backport-5.10/808-v5.18-0001-nvmem-core-Remove-unused-devm_nvmem_unregister.patch
@@ -0,0 +1,72 @@
+From 190fae468592bc2f0efc8b928920f8f712b5831e Mon Sep 17 00:00:00 2001
+From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
+Date: Sun, 20 Feb 2022 15:15:15 +0000
+Subject: [PATCH] nvmem: core: Remove unused devm_nvmem_unregister()
+
+There are no users and seems no will come of the devm_nvmem_unregister().
+Remove the function and remove the unused devm_nvmem_match() along with it.
+
+Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
+Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
+Link: https://lore.kernel.org/r/20220220151527.17216-2-srinivas.kandagatla@linaro.org
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+---
+ drivers/nvmem/core.c           | 22 ----------------------
+ include/linux/nvmem-provider.h |  8 --------
+ 2 files changed, 30 deletions(-)
+
+--- a/drivers/nvmem/core.c
++++ b/drivers/nvmem/core.c
+@@ -945,28 +945,6 @@ struct nvmem_device *devm_nvmem_register
+ }
+ EXPORT_SYMBOL_GPL(devm_nvmem_register);
+ 
+-static int devm_nvmem_match(struct device *dev, void *res, void *data)
+-{
+-	struct nvmem_device **r = res;
+-
+-	return *r == data;
+-}
+-
+-/**
+- * devm_nvmem_unregister() - Unregister previously registered managed nvmem
+- * device.
+- *
+- * @dev: Device that uses the nvmem device.
+- * @nvmem: Pointer to previously registered nvmem device.
+- *
+- * Return: Will be negative on error or zero on success.
+- */
+-int devm_nvmem_unregister(struct device *dev, struct nvmem_device *nvmem)
+-{
+-	return devres_release(dev, devm_nvmem_release, devm_nvmem_match, nvmem);
+-}
+-EXPORT_SYMBOL(devm_nvmem_unregister);
+-
+ static struct nvmem_device *__nvmem_device_get(void *data,
+ 			int (*match)(struct device *dev, const void *data))
+ {
+--- a/include/linux/nvmem-provider.h
++++ b/include/linux/nvmem-provider.h
+@@ -135,8 +135,6 @@ void nvmem_unregister(struct nvmem_devic
+ struct nvmem_device *devm_nvmem_register(struct device *dev,
+ 					 const struct nvmem_config *cfg);
+ 
+-int devm_nvmem_unregister(struct device *dev, struct nvmem_device *nvmem);
+-
+ void nvmem_add_cell_table(struct nvmem_cell_table *table);
+ void nvmem_del_cell_table(struct nvmem_cell_table *table);
+ 
+@@ -155,12 +153,6 @@ devm_nvmem_register(struct device *dev,
+ 	return nvmem_register(c);
+ }
+ 
+-static inline int
+-devm_nvmem_unregister(struct device *dev, struct nvmem_device *nvmem)
+-{
+-	return -EOPNOTSUPP;
+-}
+-
+ static inline void nvmem_add_cell_table(struct nvmem_cell_table *table) {}
+ static inline void nvmem_del_cell_table(struct nvmem_cell_table *table) {}
+