Messages in this thread Patch in this message | | | From | Dong Aisheng <> | Subject | [RFC PATCH V1 1/2] clk: use atomic runtime pm api in clk_core_is_enabled | Date | Fri, 22 Dec 2017 17:46:04 +0800 |
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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> --- drivers/clk/clk.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 5ec5809..e24968f 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -227,7 +227,8 @@ 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; } -- 2.7.4
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