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qcacmn: add sync between suspend and wow resume in runtime pm

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In moselle, once wow enabled there is a possibility that wow wake
interrupt can be fired from FW during runtime suspend in-progress
in host, this will introduce a race between runtime suspend and
resume, so adding a synchronization between runtime suspend and
wow triggered runtime resume.

Change-Id: I38d6a24e4421697cc2d0090ba8d19884885596cb
CRs-Fixed: 2845672
This commit is contained in:
Vevek Venkatesan
2020-12-28 02:22:36 +05:30
committed by snandini
parent 82acedd149
commit 86f4aa6017
3 changed files with 45 additions and 2 deletions
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8
hif/inc/hif.h
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@@ -1027,6 +1027,8 @@ int hif_pm_runtime_prevent_suspend(struct hif_opaque_softc *ol_sc,
int hif_pm_runtime_allow_suspend(struct hif_opaque_softc *ol_sc,
struct hif_pm_runtime_lock *lock);
bool hif_pm_runtime_is_suspended(struct hif_opaque_softc *hif_ctx);
void hif_pm_runtime_suspend_lock(struct hif_opaque_softc *hif_ctx);
void hif_pm_runtime_suspend_unlock(struct hif_opaque_softc *hif_ctx);
int hif_pm_runtime_get_monitor_wake_intr(struct hif_opaque_softc *hif_ctx);
void hif_pm_runtime_set_monitor_wake_intr(struct hif_opaque_softc *hif_ctx,
int val);
@@ -1083,6 +1085,12 @@ static inline int hif_pm_runtime_allow_suspend(struct hif_opaque_softc *ol_sc,
{ return 0; }
static inline bool hif_pm_runtime_is_suspended(struct hif_opaque_softc *hif_ctx)
{ return false; }
static inline void
hif_pm_runtime_suspend_lock(struct hif_opaque_softc *hif_ctx)
{ return; }
static inline void
hif_pm_runtime_suspend_unlock(struct hif_opaque_softc *hif_ctx)
{ return; }
static inline int
hif_pm_runtime_get_monitor_wake_intr(struct hif_opaque_softc *hif_ctx)
{ return 0; }