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cnss2: Check link status before setting wlaon_pwr_ctrl registers

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If PCIe link is down, skip setting wlaon_pwr_ctrl registers to avoid
unclocked access.

Change-Id: I156f936ad87089754d6644d2eb3199105065ee32
Signed-off-by: Yue Ma <yuem@codeaurora.org>
This commit is contained in:
Yue Ma 2020-11-19 11:43:30 -08:00 • committed by Gerrit - the friendly Code Review server
commit e70b20554b
1 changed files with 4 additions and 0 deletions
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4
drivers/net/wireless/cnss2/pci.c
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@ -1534,6 +1534,10 @@ static void cnss_pci_set_wlaon_pwr_ctrl(struct cnss_pci_data *pci_priv,
if (!plat_priv->set_wlaon_pwr_ctrl)
return;
if (pci_priv->pci_link_state == PCI_LINK_DOWN ||
pci_priv->pci_link_down_ind)
return;
if (do_force_wake)
if (cnss_pci_force_wake_get(pci_priv))
return;