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PCI: dwc: endpoint: Clear outbound address on unmap

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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>
This commit is contained in:
Damien Le Moal
2024-10-04 23:10:00 +09:00
committed by Krzysztof Wilczyński
parent 9852d85ec9
commit 12dd12821f
1 changed files with 1 additions and 0 deletions
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1
drivers/pci/controller/dwc/pcie-designware-ep.c
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@@ -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);
}