diff options
| -rw-r--r-- | drivers/net/wireless/cnss2/pci.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/net/wireless/cnss2/pci.c b/drivers/net/wireless/cnss2/pci.c index 8816a12f654a..5a27ad6cf047 100644 --- a/drivers/net/wireless/cnss2/pci.c +++ b/drivers/net/wireless/cnss2/pci.c @@ -1,4 +1,4 @@ -/* Copyright (c) 2016-2018, The Linux Foundation. All rights reserved. +/* Copyright (c) 2016-2019, The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and @@ -135,6 +135,8 @@ int cnss_suspend_pci_link(struct cnss_pci_data *pci_priv) goto out; } + pci_clear_master(pci_priv->pci_dev); + ret = cnss_set_pci_config_space(pci_priv, SAVE_PCI_CONFIG_SPACE); if (ret) goto out; @@ -177,6 +179,14 @@ int cnss_resume_pci_link(struct cnss_pci_data *pci_priv) pci_priv->pci_link_state = PCI_LINK_UP; + if (pci_priv->pci_dev->device != QCA6174_DEVICE_ID) { + ret = pci_set_power_state(pci_priv->pci_dev, PCI_D0); + if (ret) { + cnss_pr_err("Failed to set D0, err = %d\n", ret); + goto out; + } + } + ret = cnss_set_pci_config_space(pci_priv, RESTORE_PCI_CONFIG_SPACE); if (ret) goto out; @@ -959,6 +969,7 @@ static int cnss_pci_suspend(struct device *dev) goto out; } + pci_clear_master(pci_dev); cnss_set_pci_config_space(pci_priv, SAVE_PCI_CONFIG_SPACE); pci_disable_device(pci_dev); @@ -1201,6 +1212,7 @@ int cnss_auto_suspend(struct device *dev) goto out; } + pci_clear_master(pci_dev); cnss_set_pci_config_space(pci_priv, SAVE_PCI_CONFIG_SPACE); pci_disable_device(pci_dev); |