From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Dong Aisheng To: CC: , , , , Dong Aisheng , Ulf Hansson , Marek Szyprowski 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 Message-ID: <1513935965-12909-1-git-send-email-aisheng.dong@nxp.com> Return-Path: aisheng.dong@nxp.com MIME-Version: 1.0 Content-Type: text/plain List-ID: 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 Cc: Michael Turquette Cc: Ulf Hansson Cc: Marek Szyprowski Fixes: 9a34b45397e5 ("clk: Add support for runtime PM") Signed-off-by: Dong Aisheng --- 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