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cnss2: Add sanity check for cnss pm runtime APIs

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The cnss pm runtime APIs will be bypassed if the RPM is not enabled.

Change-Id: I41bbf30e1f12426670606b90a88e3af4d0840c9c
Signed-off-by: Tiger Yu <tfyu@codeaurora.org>
This commit is contained in:
Tiger Yu 2020-01-15 10:06:25 +08:00 • committed by Gerrit - the friendly Code Review server
commit 86af8dc6c3
1 changed files with 21 additions and 0 deletions
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21
drivers/net/wireless/cnss2/pci.c
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@ -2547,6 +2547,9 @@ int cnss_pci_pm_request_resume(struct cnss_pci_data *pci_priv)
dev = &pci_priv->pci_dev->dev;
if (!pm_runtime_enabled(dev))
return 0;
status = dev->power.runtime_status;
if (status == RPM_SUSPENDING || status == RPM_SUSPENDED)
cnss_pr_vdbg("Runtime PM resume is requested by %ps\n",
@ -2565,6 +2568,9 @@ int cnss_pci_pm_runtime_resume(struct cnss_pci_data *pci_priv)
dev = &pci_priv->pci_dev->dev;
if (!pm_runtime_enabled(dev))
return 0;
status = dev->power.runtime_status;
if (status == RPM_SUSPENDING || status == RPM_SUSPENDED)
cnss_pr_vdbg("Runtime PM resume is requested by %ps\n",
@ -2583,6 +2589,9 @@ int cnss_pci_pm_runtime_get(struct cnss_pci_data *pci_priv)
dev = &pci_priv->pci_dev->dev;
if (!pm_runtime_enabled(dev))
return 0;
status = dev->power.runtime_status;
if (status == RPM_SUSPENDING || status == RPM_SUSPENDED)
cnss_pr_vdbg("Runtime PM resume is requested by %ps\n",
@ -2601,6 +2610,9 @@ int cnss_pci_pm_runtime_get_sync(struct cnss_pci_data *pci_priv)
dev = &pci_priv->pci_dev->dev;
if (!pm_runtime_enabled(dev))
return 0;
status = dev->power.runtime_status;
if (status == RPM_SUSPENDING || status == RPM_SUSPENDED)
cnss_pr_vdbg("Runtime PM resume is requested by %ps\n",
@ -2614,6 +2626,9 @@ void cnss_pci_pm_runtime_get_noresume(struct cnss_pci_data *pci_priv)
if (!pci_priv)
return;
if (!pm_runtime_enabled(&pci_priv->pci_dev->dev))
return;
pm_runtime_get_noresume(&pci_priv->pci_dev->dev);
}
@ -2626,6 +2641,9 @@ int cnss_pci_pm_runtime_put_autosuspend(struct cnss_pci_data *pci_priv)
dev = &pci_priv->pci_dev->dev;
if (!pm_runtime_enabled(dev))
return 0;
if (atomic_read(&dev->power.usage_count) == 0) {
cnss_pr_dbg("Ignore excessive runtime PM put operation\n");
return -EINVAL;
@ -2643,6 +2661,9 @@ void cnss_pci_pm_runtime_put_noidle(struct cnss_pci_data *pci_priv)
dev = &pci_priv->pci_dev->dev;
if (!pm_runtime_enabled(dev))
return;
if (atomic_read(&dev->power.usage_count) == 0) {
cnss_pr_dbg("Ignore excessive runtime PM put operation\n");
return;