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Merge "cnss2: pci: Trigger link down recovery if link fails to enter L0"

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qctecmdr 2020-12-02 08:44:35 -08:00 • committed by Gerrit - the friendly Code Review server
commit 4420d6ffed
1 changed files with 8 additions and 1 deletions
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9
drivers/net/wireless/cnss2/pci.c
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@ -892,6 +892,7 @@ int cnss_pci_prevent_l1(struct device *dev)
{
struct pci_dev *pci_dev = to_pci_dev(dev);
struct cnss_pci_data *pci_priv = cnss_get_pci_priv(pci_dev);
int ret;
if (!pci_priv) {
cnss_pr_err("pci_priv is NULL\n");
@ -908,7 +909,13 @@ int cnss_pci_prevent_l1(struct device *dev)
return -EIO;
}
return msm_pcie_prevent_l1(pci_dev);
ret = msm_pcie_prevent_l1(pci_dev);
if (ret) {
cnss_pr_err("Failed to prevent PCIe L1, considered as link down\n");
cnss_pci_link_down(dev);
}
return ret;
}
EXPORT_SYMBOL(cnss_pci_prevent_l1);