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cnss2: Resume PCI bus before reading registers

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In some scenarios, during force FW assert,
cnss_pci_pm_runtime_get_sync might not resume bus.
Make sure PCI bus is resume before accessing.

Change-Id: Ic5c17c3385318dbc739358ac7ccdb148aed1052a
CRs-Fixed: 3540601
This commit is contained in:
Naman Padhiar
2023-07-05 19:08:36 +05:30
committed by Rahul Choudhary
parent 4a3ea46b17
commit c727c5eab9
1 changed files with 5 additions and 0 deletions
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5
cnss2/pci.c
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@@ -5712,6 +5712,11 @@ int cnss_pci_force_fw_assert_hdlr(struct cnss_pci_data *pci_priv)
ret = cnss_pci_pm_runtime_get_sync(pci_priv, RTPM_ID_CNSS);
if (ret < 0)
goto runtime_pm_put;
/*
* In some scenarios, cnss_pci_pm_runtime_get_sync
* might not resume PCI bus. For those cases do auto resume.
*/
cnss_auto_resume(&pci_priv->pci_dev->dev);
if (!pci_priv->is_smmu_fault)
cnss_pci_mhi_reg_dump(pci_priv);