cnss2: Request runtime PM resume when shutdown happens

Request runtime PM resume in platform driver as soon as shutdown
happens. This can make sure device is resumed while shutdown is
proceeding.

Change-Id: I0aa15b9713347288f4954bd767ec9243d22153ed
CRs-fixed: 2124999
Signed-off-by: Yue Ma <yuem@codeaurora.org>

diff --git a/drivers/net/wireless/cnss2/main.c b/drivers/net/wireless/cnss2/main.c
index 80e2c8d..6b966c5 100644 (file)
--- a/drivers/net/wireless/cnss2/main.c
+++ b/drivers/net/wireless/cnss2/main.c
@@ -1043,6 +1043,8 @@ static int cnss_qca6174_shutdown(struct cnss_plat_data *plat_priv)
        if (!pci_priv)
                return -ENODEV;
 
+       cnss_pm_request_resume(pci_priv);
+
        cnss_driver_call_remove(plat_priv);
 
        cnss_request_bus_bandwidth(CNSS_BUS_WIDTH_NONE);
@@ -1141,6 +1143,8 @@ static int cnss_qca6290_shutdown(struct cnss_plat_data *plat_priv)
        if (!pci_priv)
                return -ENODEV;
 
+       cnss_pm_request_resume(pci_priv);
+
        cnss_driver_call_remove(plat_priv);
 
        cnss_request_bus_bandwidth(CNSS_BUS_WIDTH_NONE);

diff --git a/drivers/net/wireless/cnss2/pci.c b/drivers/net/wireless/cnss2/pci.c
index 22fad92..e4c35c4 100644 (file)
--- a/drivers/net/wireless/cnss2/pci.c
+++ b/drivers/net/wireless/cnss2/pci.c
@@ -668,6 +668,20 @@ out:
 }
 EXPORT_SYMBOL(cnss_auto_resume);
 
+int cnss_pm_request_resume(struct cnss_pci_data *pci_priv)
+{
+       struct pci_dev *pci_dev;
+
+       if (!pci_priv)
+               return -ENODEV;
+
+       pci_dev = pci_priv->pci_dev;
+       if (!pci_dev)
+               return -ENODEV;
+
+       return pm_request_resume(&pci_dev->dev);
+}
+
 int cnss_pci_alloc_fw_mem(struct cnss_pci_data *pci_priv)
 {
        struct cnss_plat_data *plat_priv = pci_priv->plat_priv;

diff --git a/drivers/net/wireless/cnss2/pci.h b/drivers/net/wireless/cnss2/pci.h
index e26e331..89edc60 100644 (file)
--- a/drivers/net/wireless/cnss2/pci.h
+++ b/drivers/net/wireless/cnss2/pci.h
@@ -138,5 +138,6 @@ int cnss_pci_start_mhi(struct cnss_pci_data *pci_priv);
 void cnss_pci_stop_mhi(struct cnss_pci_data *pci_priv);
 void cnss_pci_collect_dump_info(struct cnss_pci_data *pci_priv);
 void cnss_pci_clear_dump_info(struct cnss_pci_data *pci_priv);
+int cnss_pm_request_resume(struct cnss_pci_data *pci_priv);
 
 #endif /* _CNSS_PCI_H */