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path: root/drivers/pci/controller/pcie-rockchip-host.c
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Diffstat (limited to 'drivers/pci/controller/pcie-rockchip-host.c')
-rw-r--r--drivers/pci/controller/pcie-rockchip-host.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/pci/controller/pcie-rockchip-host.c b/drivers/pci/controller/pcie-rockchip-host.c
index d9b63bfa5dd7..94af6f5828a3 100644
--- a/drivers/pci/controller/pcie-rockchip-host.c
+++ b/drivers/pci/controller/pcie-rockchip-host.c
@@ -834,10 +834,12 @@ static int rockchip_pcie_cfg_atu(struct rockchip_pcie *rockchip)
if (!entry)
return -ENODEV;
+ /* store the register number offset to program RC io outbound ATU */
+ offset = size >> 20;
+
size = resource_size(entry->res);
pci_addr = entry->res->start - entry->offset;
- offset = size >> 20;
for (reg_no = 0; reg_no < (size >> 20); reg_no++) {
err = rockchip_pcie_prog_ob_atu(rockchip,
reg_no + 1 + offset,