clockevents/drivers/sh_cmt: Only perform clocksource suspend/resume if enabled

[firefly-linux-kernel-4.4.55.git] / drivers / clocksource / sh_cmt.c

diff --git a/drivers/clocksource/sh_cmt.c b/drivers/clocksource/sh_cmt.c
index b8ff3c64cc452a16fc4108426fb6e5b1c54e91e8..c96de14036a0adebfc7628dc9f9cd5413b5c5495 100644 (file)
--- a/drivers/clocksource/sh_cmt.c
+++ b/drivers/clocksource/sh_cmt.c
@@ -661,6 +661,9 @@ static void sh_cmt_clocksource_suspend(struct clocksource *cs)
 {
        struct sh_cmt_channel *ch = cs_to_sh_cmt(cs);
 
+       if (!ch->cs_enabled)
+               return;
+
        sh_cmt_stop(ch, FLAG_CLOCKSOURCE);
        pm_genpd_syscore_poweroff(&ch->cmt->pdev->dev);
 }
@@ -669,6 +672,9 @@ static void sh_cmt_clocksource_resume(struct clocksource *cs)
 {
        struct sh_cmt_channel *ch = cs_to_sh_cmt(cs);
 
+       if (!ch->cs_enabled)
+               return;
+
        pm_genpd_syscore_poweron(&ch->cmt->pdev->dev);
        sh_cmt_start(ch, FLAG_CLOCKSOURCE);
 }