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| author | Damien Le Moal <dlemoal@kernel.org> | 2024-10-04 23:10:00 +0900 |
|---|---|---|
| committer | Krzysztof Wilczyński <kwilczynski@kernel.org> | 2024-10-27 19:43:44 +0000 |
| commit | 12dd12821f1eb2755643914df2cc900c5e8c9d12 (patch) | |
| tree | 3446b55a6242ab7c7a2596127b20e50e4916e571 /drivers/pci/controller/dwc | |
| parent | 9852d85ec9d492ebef56dc5f229416c925758edc (diff) | |
| download | linux-12dd12821f1eb2755643914df2cc900c5e8c9d12.tar.gz linux-12dd12821f1eb2755643914df2cc900c5e8c9d12.tar.bz2 linux-12dd12821f1eb2755643914df2cc900c5e8c9d12.zip | |
PCI: dwc: endpoint: Clear outbound address on unmap
Clear the address mapped (outbound_addr array) in dw_pcie_ep_unmap_addr(),
to ensure that dw_pcie_find_index() does not match an ATU index that was
already unmapped.
This is in addition to clearing the ATU index bit in ob_window_map.
Link: https://lore.kernel.org/linux-pci/20241004141000.5080-1-dlemoal@kernel.org
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
[kwilczynski: commit log]
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Diffstat (limited to 'drivers/pci/controller/dwc')
| -rw-r--r-- | drivers/pci/controller/dwc/pcie-designware-ep.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c index 43ba5c6738df..b07ace7dc92e 100644 --- a/drivers/pci/controller/dwc/pcie-designware-ep.c +++ b/drivers/pci/controller/dwc/pcie-designware-ep.c @@ -280,6 +280,7 @@ static void dw_pcie_ep_unmap_addr(struct pci_epc *epc, u8 func_no, u8 vfunc_no, if (ret < 0) return; + ep->outbound_addr[atu_index] = 0; dw_pcie_disable_atu(pci, PCIE_ATU_REGION_DIR_OB, atu_index); clear_bit(atu_index, ep->ob_window_map); } |