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Commit a73babdb authored by Hemant Kumar's avatar Hemant Kumar Committed by Yue Ma
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cnss2: pci: Trigger link down recovery if link fails to enter L0 



In case if link fails to transition to L0 trigger inferred link
down recovery to collect RDDM dump.

Change-Id: I43326af34744501c542a1a1e22d6a9b5378c7289
Signed-off-by: default avatarHemant Kumar <hemantk@codeaurora.org>
parent 6a4a4954

drivers/net/wireless/cnss2/pci.c

+8 −1
Original line number Diff line number Diff line
@@ -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);