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* [PATCH v1 1/3] clk: Remove never used devm_of_clk_del_provider()
@ 2022-06-23 11:57 Andy Shevchenko
  2022-06-23 11:57 ` [PATCH v1 2/3] clkdev: Remove never used devm_clk_release_clkdev() Andy Shevchenko
                   ` (3 more replies)
  0 siblings, 4 replies; 7+ messages in thread
From: Andy Shevchenko @ 2022-06-23 11:57 UTC (permalink / raw)
  To: Stephen Boyd, Andy Shevchenko, linux-clk, linux-kernel, linux-arm-kernel
  Cc: Michael Turquette, Russell King

For the entire history of the devm_of_clk_del_provider) existence
(since 2017) it was never used. Remove it for good.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/clk/clk.c            | 26 --------------------------
 include/linux/clk-provider.h |  4 ++--
 2 files changed, 2 insertions(+), 28 deletions(-)

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 5cbf21acb1a8..1a9dd980f74a 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -4751,32 +4751,6 @@ void of_clk_del_provider(struct device_node *np)
 }
 EXPORT_SYMBOL_GPL(of_clk_del_provider);
 
-static int devm_clk_provider_match(struct device *dev, void *res, void *data)
-{
-	struct device_node **np = res;
-
-	if (WARN_ON(!np || !*np))
-		return 0;
-
-	return *np == data;
-}
-
-/**
- * devm_of_clk_del_provider() - Remove clock provider registered using devm
- * @dev: Device to whose lifetime the clock provider was bound
- */
-void devm_of_clk_del_provider(struct device *dev)
-{
-	int ret;
-	struct device_node *np = get_clk_provider_node(dev);
-
-	ret = devres_release(dev, devm_of_clk_release_provider,
-			     devm_clk_provider_match, np);
-
-	WARN_ON(ret);
-}
-EXPORT_SYMBOL(devm_of_clk_del_provider);
-
 /**
  * of_parse_clkspec() - Parse a DT clock specifier for a given device node
  * @np: device node to parse clock specifier from
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index 72d937c03a3e..8ad92a4a748f 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -1420,7 +1420,7 @@ int devm_of_clk_add_hw_provider(struct device *dev,
 						 void *data),
 			   void *data);
 void of_clk_del_provider(struct device_node *np);
-void devm_of_clk_del_provider(struct device *dev);
+
 struct clk *of_clk_src_simple_get(struct of_phandle_args *clkspec,
 				  void *data);
 struct clk_hw *of_clk_hw_simple_get(struct of_phandle_args *clkspec,
@@ -1457,7 +1457,7 @@ static inline int devm_of_clk_add_hw_provider(struct device *dev,
 	return 0;
 }
 static inline void of_clk_del_provider(struct device_node *np) {}
-static inline void devm_of_clk_del_provider(struct device *dev) {}
+
 static inline struct clk *of_clk_src_simple_get(
 	struct of_phandle_args *clkspec, void *data)
 {
-- 
2.35.1


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^ permalink raw reply related	[flat|nested] 7+ messages in thread

* [PATCH v1 2/3] clkdev: Remove never used devm_clk_release_clkdev()
  2022-06-23 11:57 [PATCH v1 1/3] clk: Remove never used devm_of_clk_del_provider() Andy Shevchenko
@ 2022-06-23 11:57 ` Andy Shevchenko
  2022-09-30 21:51   ` Stephen Boyd
  2022-06-23 11:57 ` [PATCH v1 3/3] clkdev: Simplify devm_clk_hw_register_clkdev() function Andy Shevchenko
                   ` (2 subsequent siblings)
  3 siblings, 1 reply; 7+ messages in thread
From: Andy Shevchenko @ 2022-06-23 11:57 UTC (permalink / raw)
  To: Stephen Boyd, Andy Shevchenko, linux-clk, linux-kernel, linux-arm-kernel
  Cc: Michael Turquette, Russell King

For the entire history of the devm_clk_release_clkdev() existence
(since 2018) it was never used. Remove it for good.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/clk/clkdev.c   | 34 ----------------------------------
 include/linux/clkdev.h |  2 --
 2 files changed, 36 deletions(-)

diff --git a/drivers/clk/clkdev.c b/drivers/clk/clkdev.c
index 7f397a09877d..716bb1710b89 100644
--- a/drivers/clk/clkdev.c
+++ b/drivers/clk/clkdev.c
@@ -353,40 +353,6 @@ static void devm_clkdev_release(struct device *dev, void *res)
 	clkdev_drop(*(struct clk_lookup **)res);
 }
 
-static int devm_clk_match_clkdev(struct device *dev, void *res, void *data)
-{
-	struct clk_lookup **l = res;
-
-	return *l == data;
-}
-
-/**
- * devm_clk_release_clkdev - Resource managed clkdev lookup release
- * @dev: device this lookup is bound
- * @con_id: connection ID string on device
- * @dev_id: format string describing device name
- *
- * Drop the clkdev lookup created with devm_clk_hw_register_clkdev.
- * Normally this function will not need to be called and the resource
- * management code will ensure that the resource is freed.
- */
-void devm_clk_release_clkdev(struct device *dev, const char *con_id,
-			     const char *dev_id)
-{
-	struct clk_lookup *cl;
-	int rval;
-
-	mutex_lock(&clocks_mutex);
-	cl = clk_find(dev_id, con_id);
-	mutex_unlock(&clocks_mutex);
-
-	WARN_ON(!cl);
-	rval = devres_release(dev, devm_clkdev_release,
-			      devm_clk_match_clkdev, cl);
-	WARN_ON(rval);
-}
-EXPORT_SYMBOL(devm_clk_release_clkdev);
-
 /**
  * devm_clk_hw_register_clkdev - managed clk lookup registration for clk_hw
  * @dev: device this lookup is bound
diff --git a/include/linux/clkdev.h b/include/linux/clkdev.h
index 8a8423eb8e9a..45570bc21a43 100644
--- a/include/linux/clkdev.h
+++ b/include/linux/clkdev.h
@@ -46,6 +46,4 @@ int clk_hw_register_clkdev(struct clk_hw *, const char *, const char *);
 
 int devm_clk_hw_register_clkdev(struct device *dev, struct clk_hw *hw,
 				const char *con_id, const char *dev_id);
-void devm_clk_release_clkdev(struct device *dev, const char *con_id,
-			     const char *dev_id);
 #endif
-- 
2.35.1


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^ permalink raw reply related	[flat|nested] 7+ messages in thread

* [PATCH v1 3/3] clkdev: Simplify devm_clk_hw_register_clkdev() function
  2022-06-23 11:57 [PATCH v1 1/3] clk: Remove never used devm_of_clk_del_provider() Andy Shevchenko
  2022-06-23 11:57 ` [PATCH v1 2/3] clkdev: Remove never used devm_clk_release_clkdev() Andy Shevchenko
@ 2022-06-23 11:57 ` Andy Shevchenko
  2022-09-30 21:51   ` Stephen Boyd
  2022-09-06 13:41 ` [PATCH v1 1/3] clk: Remove never used devm_of_clk_del_provider() Andy Shevchenko
  2022-09-30 21:50 ` Stephen Boyd
  3 siblings, 1 reply; 7+ messages in thread
From: Andy Shevchenko @ 2022-06-23 11:57 UTC (permalink / raw)
  To: Stephen Boyd, Andy Shevchenko, linux-clk, linux-kernel, linux-arm-kernel
  Cc: Michael Turquette, Russell King

Use devm_add_action_or_reset() instead of devres_alloc() and
devres_add(), which works the same. This will simplify the
code. There is no functional changes.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/clk/clkdev.c | 24 ++++++++++--------------
 1 file changed, 10 insertions(+), 14 deletions(-)

diff --git a/drivers/clk/clkdev.c b/drivers/clk/clkdev.c
index 716bb1710b89..b5eed37dc71a 100644
--- a/drivers/clk/clkdev.c
+++ b/drivers/clk/clkdev.c
@@ -348,9 +348,9 @@ int clk_hw_register_clkdev(struct clk_hw *hw, const char *con_id,
 }
 EXPORT_SYMBOL(clk_hw_register_clkdev);
 
-static void devm_clkdev_release(struct device *dev, void *res)
+static void devm_clkdev_release(void *res)
 {
-	clkdev_drop(*(struct clk_lookup **)res);
+	clkdev_drop(res);
 }
 
 /**
@@ -371,17 +371,13 @@ static void devm_clkdev_release(struct device *dev, void *res)
 int devm_clk_hw_register_clkdev(struct device *dev, struct clk_hw *hw,
 				const char *con_id, const char *dev_id)
 {
-	int rval = -ENOMEM;
-	struct clk_lookup **cl;
-
-	cl = devres_alloc(devm_clkdev_release, sizeof(*cl), GFP_KERNEL);
-	if (cl) {
-		rval = do_clk_register_clkdev(hw, cl, con_id, dev_id);
-		if (!rval)
-			devres_add(dev, cl);
-		else
-			devres_free(cl);
-	}
-	return rval;
+	struct clk_lookup *cl;
+	int rval;
+
+	rval = do_clk_register_clkdev(hw, &cl, con_id, dev_id);
+	if (rval)
+		return rval;
+
+	return devm_add_action_or_reset(dev, devm_clkdev_release, cl);
 }
 EXPORT_SYMBOL(devm_clk_hw_register_clkdev);
-- 
2.35.1


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^ permalink raw reply related	[flat|nested] 7+ messages in thread

* Re: [PATCH v1 1/3] clk: Remove never used devm_of_clk_del_provider()
  2022-06-23 11:57 [PATCH v1 1/3] clk: Remove never used devm_of_clk_del_provider() Andy Shevchenko
  2022-06-23 11:57 ` [PATCH v1 2/3] clkdev: Remove never used devm_clk_release_clkdev() Andy Shevchenko
  2022-06-23 11:57 ` [PATCH v1 3/3] clkdev: Simplify devm_clk_hw_register_clkdev() function Andy Shevchenko
@ 2022-09-06 13:41 ` Andy Shevchenko
  2022-09-30 21:50 ` Stephen Boyd
  3 siblings, 0 replies; 7+ messages in thread
From: Andy Shevchenko @ 2022-09-06 13:41 UTC (permalink / raw)
  To: Stephen Boyd, linux-clk, linux-kernel, linux-arm-kernel
  Cc: Michael Turquette, Russell King

On Thu, Jun 23, 2022 at 02:57:17PM +0300, Andy Shevchenko wrote:
> For the entire history of the devm_of_clk_del_provider) existence
> (since 2017) it was never used. Remove it for good.

Any comments on this series?

-- 
With Best Regards,
Andy Shevchenko



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^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: [PATCH v1 1/3] clk: Remove never used devm_of_clk_del_provider()
  2022-06-23 11:57 [PATCH v1 1/3] clk: Remove never used devm_of_clk_del_provider() Andy Shevchenko
                   ` (2 preceding siblings ...)
  2022-09-06 13:41 ` [PATCH v1 1/3] clk: Remove never used devm_of_clk_del_provider() Andy Shevchenko
@ 2022-09-30 21:50 ` Stephen Boyd
  3 siblings, 0 replies; 7+ messages in thread
From: Stephen Boyd @ 2022-09-30 21:50 UTC (permalink / raw)
  To: Andy Shevchenko, linux-arm-kernel, linux-clk, linux-kernel
  Cc: Michael Turquette, Russell King

Quoting Andy Shevchenko (2022-06-23 04:57:17)
> For the entire history of the devm_of_clk_del_provider) existence
> (since 2017) it was never used. Remove it for good.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> ---

Applied to clk-next

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^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: [PATCH v1 2/3] clkdev: Remove never used devm_clk_release_clkdev()
  2022-06-23 11:57 ` [PATCH v1 2/3] clkdev: Remove never used devm_clk_release_clkdev() Andy Shevchenko
@ 2022-09-30 21:51   ` Stephen Boyd
  0 siblings, 0 replies; 7+ messages in thread
From: Stephen Boyd @ 2022-09-30 21:51 UTC (permalink / raw)
  To: Andy Shevchenko, linux-arm-kernel, linux-clk, linux-kernel
  Cc: Michael Turquette, Russell King

Quoting Andy Shevchenko (2022-06-23 04:57:18)
> For the entire history of the devm_clk_release_clkdev() existence
> (since 2018) it was never used. Remove it for good.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> ---

Applied to clk-next

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^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: [PATCH v1 3/3] clkdev: Simplify devm_clk_hw_register_clkdev() function
  2022-06-23 11:57 ` [PATCH v1 3/3] clkdev: Simplify devm_clk_hw_register_clkdev() function Andy Shevchenko
@ 2022-09-30 21:51   ` Stephen Boyd
  0 siblings, 0 replies; 7+ messages in thread
From: Stephen Boyd @ 2022-09-30 21:51 UTC (permalink / raw)
  To: Andy Shevchenko, linux-arm-kernel, linux-clk, linux-kernel
  Cc: Michael Turquette, Russell King

Quoting Andy Shevchenko (2022-06-23 04:57:19)
> Use devm_add_action_or_reset() instead of devres_alloc() and
> devres_add(), which works the same. This will simplify the
> code. There is no functional changes.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> ---

Applied to clk-next

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^ permalink raw reply	[flat|nested] 7+ messages in thread

end of thread, other threads:[~2022-09-30 21:52 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-06-23 11:57 [PATCH v1 1/3] clk: Remove never used devm_of_clk_del_provider() Andy Shevchenko
2022-06-23 11:57 ` [PATCH v1 2/3] clkdev: Remove never used devm_clk_release_clkdev() Andy Shevchenko
2022-09-30 21:51   ` Stephen Boyd
2022-06-23 11:57 ` [PATCH v1 3/3] clkdev: Simplify devm_clk_hw_register_clkdev() function Andy Shevchenko
2022-09-30 21:51   ` Stephen Boyd
2022-09-06 13:41 ` [PATCH v1 1/3] clk: Remove never used devm_of_clk_del_provider() Andy Shevchenko
2022-09-30 21:50 ` Stephen Boyd

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