clk_prepare() could fail, so let's check its status, and if it fails, issue an error message.
Signed-off-by: Kangjie Lu <k...@umn.edu> --- drivers/clocksource/sh_cmt.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/clocksource/sh_cmt.c b/drivers/clocksource/sh_cmt.c index 55d3e03f2cd4..60a70832cfa9 100644 --- a/drivers/clocksource/sh_cmt.c +++ b/drivers/clocksource/sh_cmt.c @@ -764,7 +764,10 @@ static void sh_cmt_clock_event_resume(struct clock_event_device *ced) { struct sh_cmt_channel *ch = ced_to_sh_cmt(ced); - clk_prepare(ch->cmt->clk); + if (clk_prepare(ch->cmt->clk)) + dev_err(&ch->cmt->pdev->dev, "ch%u: failed to prepare clk\n", + ch->index); + pm_genpd_syscore_poweron(&ch->cmt->pdev->dev); } -- 2.17.2 (Apple Git-113)