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qcacld-3.0: Log runtime suspend resume occurances

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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
This commit is contained in:
Houston Hoffman
2015-11-10 18:42:47 -08:00
committed by Akash Patel
parent 1dd227691f
commit 692cc05e93
3 changed files with 75 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
core/hdd/src/wlan_hdd_driver_ops.c
View File

@@ -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 @@ resume_wma:
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;
}

7
core/hif/inc/hif.h
View File

@@ -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);

61
core/hif/src/pcie/if_pci.c
View File

@@ -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
*