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author | Jerome Brunet <jbrunet@baylibre.com> | 2020-10-21 18:38:46 +0200 |
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committer | Stephen Boyd <sboyd@kernel.org> | 2020-11-14 12:58:30 -0800 |
commit | 6d30d50d037dfa092f9d5d1fffa348ab4abb7163 (patch) | |
tree | 64d445f870a7e22a1df663ca5f9ba55ac6995bd6 /include/linux/clk.h | |
parent | clk: meson: g12: drop use of __clk_lookup() (diff) | |
download | linux-6d30d50d037dfa092f9d5d1fffa348ab4abb7163.tar.gz linux-6d30d50d037dfa092f9d5d1fffa348ab4abb7163.tar.bz2 linux-6d30d50d037dfa092f9d5d1fffa348ab4abb7163.zip |
clk: add devm variant of clk_notifier_register
Add a memory managed variant of clk_notifier_register() to make life easier
on clock consumers using notifiers
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://lore.kernel.org/r/20201021163847.595189-2-jbrunet@baylibre.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'include/linux/clk.h')
-rw-r--r-- | include/linux/clk.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/clk.h b/include/linux/clk.h index 7fd6a1febcf4..f53afdf8198b 100644 --- a/include/linux/clk.h +++ b/include/linux/clk.h @@ -110,6 +110,16 @@ int clk_notifier_register(struct clk *clk, struct notifier_block *nb); int clk_notifier_unregister(struct clk *clk, struct notifier_block *nb); /** + * devm_clk_notifier_register - register a managed rate-change notifier callback + * @dev: device for clock "consumer" + * @clk: clock whose rate we are interested in + * @nb: notifier block with callback function pointer + * + * Returns 0 on success, -EERROR otherwise + */ +int devm_clk_notifier_register(struct device *dev, struct clk *clk, struct notifier_block *nb); + +/** * clk_get_accuracy - obtain the clock accuracy in ppb (parts per billion) * for a clock source. * @clk: clock source |