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Commit 692cc05e authored by Houston Hoffman's avatar Houston Hoffman Committed by Akash Patel
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qcacld-3.0: Log runtime suspend resume occurances 

Keep track of how many times supesend resume succeeds and fails
also mark last busy on a failed runtime suspend or a successful
runtime resume.

Change-Id: I04df805429e3a9ce91bc3d7f27bfd598396257c9
CRs-Fixed: 935300
parent 1dd22769

core/hdd/src/wlan_hdd_driver_ops.c

+7 −1
Original line number Diff line number Diff line
@@ -541,11 +541,14 @@ static int __wlan_hdd_runtime_suspend(void) 
	void *hdd_ctx = cds_get_context(CDF_MODULE_ID_HDD);

	int status = wlan_hdd_validate_context(hdd_ctx);



	if (0 != status)

	if (0 != status) {

		hif_log_runtime_suspend_failure();

		return status;

	}



	if (!hif_can_suspend_link()) {

		hdd_err("Runtime PM not supported for link up suspend");

		hif_log_runtime_suspend_failure();

		return -EINVAL;

	}
@@ -567,6 +570,7 @@ static int __wlan_hdd_runtime_suspend(void) 
		goto resume_hif;



	hif_runtime_pm_set_state_suspended();

	hif_log_runtime_suspend_success();

	return status;



resume_hif:
@@ -576,6 +580,7 @@ static int __wlan_hdd_runtime_suspend(void) 
resume_htc:

	CDF_BUG(!htc_runtime_resume());

set_state:

	hif_log_runtime_suspend_failure();

	hif_runtime_pm_set_state_on();

	return status;

}
@@ -615,6 +620,7 @@ static int __wlan_hdd_runtime_resume(void) 
	CDF_BUG(!hif_runtime_resume());

	CDF_BUG(!wma_runtime_resume());

	CDF_BUG(!htc_runtime_resume());

	hif_log_runtime_resume_success();

	hif_runtime_pm_set_state_on();

	return 0;

}

core/hif/inc/hif.h

+7 −0
Original line number Diff line number Diff line
@@ -694,6 +694,13 @@ bool hif_can_suspend_link(void); 
void hif_runtime_pm_set_state_inprogress(void);

void hif_runtime_pm_set_state_on(void);

void hif_runtime_pm_set_state_suspended(void);



#ifdef FEATURE_RUNTIME_PM

void hif_log_runtime_suspend_success(void);

void hif_log_runtime_suspend_failure(void);

void hif_log_runtime_resume_success(void);

#endif



int dump_ce_register(struct ol_softc *scn);

int ol_copy_ramdump(struct ol_softc *scn);

void hif_pktlogmod_exit(void *hif_ctx);

core/hif/src/pcie/if_pci.c

+61 −0
Original line number Diff line number Diff line
@@ -1883,6 +1883,67 @@ void hif_runtime_pm_set_state_suspended(void) 
	__hif_runtime_pm_set_state(HIF_PM_RUNTIME_STATE_SUSPENDED);

}





#ifdef FEATURE_RUNTIME_PM

static inline struct hif_pci_softc *get_sc(void)

{

	struct ol_softc *scn = cds_get_context(CDF_MODULE_ID_HIF);



	if (NULL == scn) {

		HIF_ERROR("%s: Could not disable ASPM scn is null",

		       __func__);

		return NULL;

	}



	return scn->hif_sc;

}



/**

 * hif_log_runtime_suspend_success() - log a successful runtime suspend

 */

void hif_log_runtime_suspend_success(void)

{

	struct hif_pci_softc *sc = get_sc();

	if (sc == NULL)

		return;



	sc->pm_stats.suspended++;

	sc->pm_stats.suspend_jiffies = jiffies;

}



/**

 * hif_log_runtime_suspend_failure() - log a failed runtime suspend

 *

 * log a failed runtime suspend

 * mark last busy to prevent immediate runtime suspend

 */

void hif_log_runtime_suspend_failure(void)

{

	struct hif_pci_softc *sc = get_sc();

	if (sc == NULL)

		return;



	sc->pm_stats.suspend_err++;

	hif_pm_runtime_mark_last_busy(sc->dev);

}



/**

 * hif_log_runtime_resume_success() - log a successful runtime resume

 *

 * log a successfull runtime resume

 * mark last busy to prevent immediate runtime suspend

 */

void hif_log_runtime_resume_success(void)

{

	struct hif_pci_softc *sc = get_sc();

	if (sc == NULL)

		return;



	sc->pm_stats.resumed++;

	hif_pm_runtime_mark_last_busy(sc->dev);

}

#endif



/**

 * hif_runtime_suspend() - do the bus suspend part of a runtime suspend

 *