diff options
| author | Dong Aisheng <aisheng.dong@nxp.com> | 2017-12-22 17:46:04 +0800 |
|---|---|---|
| committer | Stephen Boyd <sboyd@codeaurora.org> | 2017-12-26 17:34:03 -0800 |
| commit | 756efe131088b6e6e7f0124ff9c4e1f0165d3140 (patch) | |
| tree | 9b6f57ac546ee543d41c14a1b13bd65d795ee4c4 | |
| parent | 61d2f2a05765a5f57149efbd93e3e81a83cbc2c1 (diff) | |
| download | linux-756efe131088b6e6e7f0124ff9c4e1f0165d3140.tar.bz2 | |
clk: use atomic runtime pm api in clk_core_is_enabled
Current clk_pm_runtime_put is using pm_runtime_put_sync which
is not safe to be called in clk_core_is_enabled as it should
be able to run in atomic context.
Thus use pm_runtime_put instead which is atomic safe.
Cc: Stephen Boyd <sboyd@codeaurora.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Fixes: 9a34b45397e5 ("clk: Add support for runtime PM")
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
| -rw-r--r-- | drivers/clk/clk.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 8a1860a36c77..b56c11f51baf 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -220,7 +220,8 @@ static bool clk_core_is_enabled(struct clk_core *core) ret = core->ops->is_enabled(core->hw); done: - clk_pm_runtime_put(core); + if (core->dev) + pm_runtime_put(core->dev); return ret; } |