[PATCH v1 3/3] scsi: ufs: Introduce notify_event variant function

@@ -4484,6 +4484,8 @@ void ufshcd_update_evt_hist(struct ufs_hba *hba, u32 id, u32 val)
 	e->val[e->pos] = val;
 	e->tstamp[e->pos] = ktime_get();
 	e->pos = (e->pos + 1) % UFS_EVENT_HIST_LENGTH;
+
+	ufshcd_vops_notify_event(hba, id, &val);
 }
 EXPORT_SYMBOL_GPL(ufshcd_update_evt_hist);
 

@@ -317,6 +317,7 @@ struct ufs_pwr_mode_info {
  * @phy_initialization: used to initialize phys
  * @device_reset: called to issue a reset pulse on the UFS device
  * @program_key: program or evict an inline encryption key
+ * @notify_event: called to notify important events
  */
 struct ufs_hba_variant_ops {
 	const char *name;

@@ -352,6 +353,8 @@ struct ufs_hba_variant_ops {
 					void *data);
 	int	(*program_key)(struct ufs_hba *hba,
 			       const union ufs_crypto_cfg_entry *cfg, int slot);
+	void	(*notify_event)(struct ufs_hba *hba,
+				enum ufs_event_type evt, void *data);
 };
 
 /* clock gating state  */

@@ -1097,6 +1100,14 @@ static inline int ufshcd_vops_clk_scale_notify(struct ufs_hba *hba,
 	return 0;
 }
 
+static inline void ufshcd_vops_notify_event(struct ufs_hba *hba,
+					    enum ufs_event_type evt,
+					    void *data)
+{
+	if (hba->vops && hba->vops->notify_event)
+		hba->vops->notify_event(hba, evt, data);
+}
+
 static inline int ufshcd_vops_setup_clocks(struct ufs_hba *hba, bool on,
 					enum ufs_notify_change_status status)
 {