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path: root/drivers/clk/clkdev.c
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Diffstat (limited to 'drivers/clk/clkdev.c')
-rw-r--r--drivers/clk/clkdev.c60
1 files changed, 11 insertions, 49 deletions
diff --git a/drivers/clk/clkdev.c b/drivers/clk/clkdev.c
index 67f601a41023..ee37d0be6877 100644
--- a/drivers/clk/clkdev.c
+++ b/drivers/clk/clkdev.c
@@ -165,7 +165,7 @@ vclkdev_alloc(struct clk_hw *hw, const char *con_id, const char *dev_fmt,
cla->cl.clk_hw = hw;
if (con_id) {
- strlcpy(cla->con_id, con_id, sizeof(cla->con_id));
+ strscpy(cla->con_id, con_id, sizeof(cla->con_id));
cla->cl.con_id = cla->con_id;
}
@@ -346,46 +346,12 @@ 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);
-}
-
-static int devm_clk_match_clkdev(struct device *dev, void *res, void *data)
-{
- struct clk_lookup **l = res;
-
- return *l == data;
+ clkdev_drop(res);
}
/**
- * 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
* @hw: struct clk_hw to associate with all clk_lookups
@@ -403,17 +369,13 @@ EXPORT_SYMBOL(devm_clk_release_clkdev);
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);