linux-kernel - [PATCH 01/13] nvmem: core: Remove unused devm_nvmem

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Date:   Sun, 20 Feb 2022 15:15:15 +0000
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     gregkh@...uxfoundation.org
Cc:     linux-kernel@...r.kernel.org,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: [PATCH 01/13] nvmem: core: Remove unused devm_nvmem_unregister()

From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

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@...ux.intel.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
---
 drivers/nvmem/core.c           | 22 ----------------------
 include/linux/nvmem-provider.h |  8 --------
 2 files changed, 30 deletions(-)

diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
index 9fd1602b539d..39cb659ea580 100644
--- a/drivers/nvmem/core.c
+++ b/drivers/nvmem/core.c
@@ -945,28 +945,6 @@ struct nvmem_device *devm_nvmem_register(struct device *dev,
 }
 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))
 {
diff --git a/include/linux/nvmem-provider.h b/include/linux/nvmem-provider.h
index c9a3ac9efeaa..50caa117cb62 100644
--- a/include/linux/nvmem-provider.h
+++ b/include/linux/nvmem-provider.h
@@ -135,8 +135,6 @@ void nvmem_unregister(struct nvmem_device *nvmem);
 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, const struct nvmem_config *c)
 	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) {}
 
-- 
2.21.0