devm_rtc_device_unregister is not used by any driver and should not be used
by any new driver.

Signed-off-by: Alexandre Belloni <alexandre.bell...@bootlin.com>
---
 drivers/rtc/class.c | 26 --------------------------
 include/linux/rtc.h |  2 --
 2 files changed, 28 deletions(-)

diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c
index 3b43787f154b..6d364085bd86 100644
--- a/drivers/rtc/class.c
+++ b/drivers/rtc/class.c
@@ -380,13 +380,6 @@ static void devm_rtc_device_release(struct device *dev, 
void *res)
        rtc_device_unregister(rtc);
 }
 
-static int devm_rtc_device_match(struct device *dev, void *res, void *data)
-{
-       struct rtc **r = res;
-
-       return *r == data;
-}
-
 /**
  * devm_rtc_device_register - resource managed rtc_device_register()
  * @dev: the device to register
@@ -424,25 +417,6 @@ struct rtc_device *devm_rtc_device_register(struct device 
*dev,
 }
 EXPORT_SYMBOL_GPL(devm_rtc_device_register);
 
-/**
- * devm_rtc_device_unregister - resource managed devm_rtc_device_unregister()
- * @dev: the device to unregister
- * @rtc: the RTC class device to unregister
- *
- * Deallocated a rtc allocated with devm_rtc_device_register(). Normally this
- * function will not need to be called and the resource management code will
- * ensure that the resource is freed.
- */
-void devm_rtc_device_unregister(struct device *dev, struct rtc_device *rtc)
-{
-       int rc;
-
-       rc = devres_release(dev, devm_rtc_device_release,
-                               devm_rtc_device_match, rtc);
-       WARN_ON(rc);
-}
-EXPORT_SYMBOL_GPL(devm_rtc_device_unregister);
-
 static void devm_rtc_release_device(struct device *dev, void *res)
 {
        struct rtc_device *rtc = *(struct rtc_device **)res;
diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index 40ecdb5a369e..58147b057acd 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -172,8 +172,6 @@ extern struct rtc_device *devm_rtc_device_register(struct 
device *dev,
                                        struct module *owner);
 struct rtc_device *devm_rtc_allocate_device(struct device *dev);
 int __rtc_register_device(struct module *owner, struct rtc_device *rtc);
-extern void devm_rtc_device_unregister(struct device *dev,
-                                       struct rtc_device *rtc);
 
 extern int rtc_read_time(struct rtc_device *rtc, struct rtc_time *tm);
 extern int rtc_set_time(struct rtc_device *rtc, struct rtc_time *tm);
-- 
2.19.1

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