summaryrefslogtreecommitdiffstats
path: root/drivers/clk/clk.c
diff options
context:
space:
mode:
authorStephen Boyd2018-12-11 19:49:40 +0100
committerStephen Boyd2019-01-24 23:21:13 +0100
commit9fe9b7ab4d050eaf646728752b320043c59dc214 (patch)
treea1e12d543a0259454a7ecbc0d5b908ae9480ecac /drivers/clk/clk.c
parentclk: Collapse gpio clk kerneldoc (diff)
downloadkernel-qcow2-linux-9fe9b7ab4d050eaf646728752b320043c59dc214.tar.gz
kernel-qcow2-linux-9fe9b7ab4d050eaf646728752b320043c59dc214.tar.xz
kernel-qcow2-linux-9fe9b7ab4d050eaf646728752b320043c59dc214.zip
clk: Document deprecated things
We don't want driver authors to use the struct clk based registration and provider APIs. Instead, they should use the clk_hw based APIs. Add some notes in the kerneldoc to this effect. Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers/clk/clk.c')
-rw-r--r--drivers/clk/clk.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 75d13c0eff12..592e315f7cfd 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -3240,8 +3240,10 @@ void __clk_free_clk(struct clk *clk)
* @dev: device that is registering this clock
* @hw: link to hardware-specific clock data
*
- * clk_register is the primary interface for populating the clock tree with new
- * clock nodes. It returns a pointer to the newly allocated struct clk which
+ * clk_register is the *deprecated* interface for populating the clock tree with
+ * new clock nodes. Use clk_hw_register() instead.
+ *
+ * Returns: a pointer to the newly allocated struct clk which
* cannot be dereferenced by driver code but may be used in conjunction with the
* rest of the clock API. In the event of an error clk_register will return an
* error code; drivers must test for an error code after calling clk_register.
@@ -3486,9 +3488,10 @@ static void devm_clk_hw_release(struct device *dev, void *res)
* @dev: device that is registering this clock
* @hw: link to hardware-specific clock data
*
- * Managed clk_register(). Clocks returned from this function are
- * automatically clk_unregister()ed on driver detach. See clk_register() for
- * more information.
+ * Managed clk_register(). This function is *deprecated*, use devm_clk_hw_register() instead.
+ *
+ * Clocks returned from this function are automatically clk_unregister()ed on
+ * driver detach. See clk_register() for more information.
*/
struct clk *devm_clk_register(struct device *dev, struct clk_hw *hw)
{
@@ -3820,6 +3823,8 @@ EXPORT_SYMBOL_GPL(of_clk_hw_onecell_get);
* @np: Device node pointer associated with clock provider
* @clk_src_get: callback for decoding clock
* @data: context pointer for @clk_src_get callback.
+ *
+ * This function is *deprecated*. Use of_clk_add_hw_provider() instead.
*/
int of_clk_add_provider(struct device_node *np,
struct clk *(*clk_src_get)(struct of_phandle_args *clkspec,