A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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cnss2: Notify WLAN host driver when SMMU fault is detected

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Notify WLAN host drive FW down as soon as SMMU fault happens so
that it can do necessary cleanup as earlier as possible.

Change-Id: Ie34243de296d35ced3f2c1a1e4d50a6c551ae88d
Signed-off-by: Yue Ma <yuem@codeaurora.org>
This commit is contained in:
Yue Ma 2020-07-11 11:26:03 -07:00 • committed by Gerrit - the friendly Code Review server
commit e9ffae75af
1 changed files with 1 additions and 0 deletions
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1
drivers/net/wireless/cnss2/pci.c
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@ -3363,6 +3363,7 @@ static int cnss_pci_smmu_fault_handler(struct iommu_domain *domain,
return -ENODEV;
}
cnss_pci_update_status(pci_priv, CNSS_FW_DOWN);
cnss_force_fw_assert(&pci_priv->pci_dev->dev);
/* IOMMU driver requires non-zero return value to print debug info. */