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| author | Serge Semin <[email protected]> | 2022-06-24 14:39:46 +0000 |
|---|---|---|
| committer | Bjorn Helgaas <[email protected]> | 2022-08-01 20:15:32 +0000 |
| commit | ce06bf570390fb8b41d581e5d594727b51367179 (patch) | |
| tree | 8715233edb39eceeb51eb418b8b118e0516a900c /drivers/pci/controller/dwc/pci-layerscape.c | |
| parent | PCI: dwc: Validate iATU outbound mappings against hardware constraints (diff) | |
| download | kernel-ce06bf570390fb8b41d581e5d594727b51367179.tar.gz kernel-ce06bf570390fb8b41d581e5d594727b51367179.zip | |
PCI: dwc: Check iATU in/outbound range setup status
Make the DWC PCIe RC/EP safer and more verbose for invalid or failed
inbound and outbound iATU window setups. Silently ignoring iATU regions
setup errors may cause unpredictable errors. For instance if a cfg or IO
window fails to be activated, then any CFG/IO requested won't reach target
PCIe devices and the corresponding accessors will return platform-specific
random values.
[bhelgaas: trim commit log]
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Serge Semin <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
Reviewed-by: Rob Herring <[email protected]>
Reviewed-by: Manivannan Sadhasivam <[email protected]>
Diffstat (limited to 'drivers/pci/controller/dwc/pci-layerscape.c')
0 files changed, 0 insertions, 0 deletions