Commit 7e6689b3 authored by Damien Le Moal's avatar Damien Le Moal Committed by Lorenzo Pieralisi
Browse files

PCI: rockchip: Set address alignment for endpoint mode 

The address translation unit of the rockchip EP controller does not use
the lower 8 bits of a PCIe-space address to map local memory. Thus we
must set the align feature field to 256 to let the user know about this
constraint.

Link: https://lore.kernel.org/r/20230418074700.1083505-12-rick.wertenbroek@gmail.com


Fixes: cf590b07 ("PCI: rockchip: Add EP driver for Rockchip PCIe controller")
Signed-off-by: default avatarDamien Le Moal <dlemoal@kernel.org>
Signed-off-by: default avatarRick Wertenbroek <rick.wertenbroek@gmail.com>
Signed-off-by: default avatarLorenzo Pieralisi <lpieralisi@kernel.org>
Cc: stable@vger.kernel.org
parent a52587e0

drivers/pci/controller/pcie-rockchip-ep.c

+1 −0
Original line number Diff line number Diff line
@@ -442,6 +442,7 @@ static const struct pci_epc_features rockchip_pcie_epc_features = { 
	.linkup_notifier = false,

	.msi_capable = true,

	.msix_capable = false,

	.align = 256,

};



static const struct pci_epc_features*