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 <[email protected]> Cc: Michael Turquette <[email protected]> Cc: Ulf Hansson <[email protected]> Cc: Marek Szyprowski <[email protected]> Fixes: 9a34b45397e5 ("clk: Add support for runtime PM") Signed-off-by: Dong Aisheng <[email protected]> --- 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
