Unverified Commit 12dd1282 authored by Damien Le Moal's avatar Damien Le Moal Committed by Krzysztof Wilczyński
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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: default avatarDamien Le Moal <dlemoal@kernel.org>
[kwilczynski: commit log]
Signed-off-by: default avatarKrzysztof Wilczyński <kwilczynski@kernel.org>
Reviewed-by: default avatarManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
parent 9852d85e

drivers/pci/controller/dwc/pcie-designware-ep.c

+1 −0
Original line number Diff line number Diff line
@@ -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);

}