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Commit a08f02e1 authored by Kai Liu's avatar Kai Liu
Browse files

net: cnss2: restore pci config space before enable device 



When loading wlan driver, driver will check if chip is initialized
by reading pci io FW_IND_INITIALIZED status. While timeout occurred
when wait for above status randomly in multi load-unload process.

Restore pci config space before enable device during resume pci link.

Change-Id: Ib10f739b2321c7cb0e71ad40db571075a56ae48a
Signed-off-by: default avatarKai Liu <kaliu@codeaurora.org>
parent 10dc161b

drivers/net/wireless/cnss2/pci.c

+4 −3
Original line number Diff line number Diff line
@@ -163,15 +163,16 @@ int cnss_resume_pci_link(struct cnss_pci_data *pci_priv) 


	pci_priv->pci_link_state = PCI_LINK_UP;



	ret = cnss_set_pci_config_space(pci_priv, RESTORE_PCI_CONFIG_SPACE);

	if (ret)

		goto out;



	ret = pci_enable_device(pci_priv->pci_dev);

	if (ret) {

		cnss_pr_err("Failed to enable PCI device, err = %d\n", ret);

		goto out;

	}



	ret = cnss_set_pci_config_space(pci_priv, RESTORE_PCI_CONFIG_SPACE);

	if (ret)

		goto out;



	pci_set_master(pci_priv->pci_dev);