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path: root/drivers/pci/controller/pcie-xilinx-nwl.c
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Diffstat (limited to 'drivers/pci/controller/pcie-xilinx-nwl.c')
-rw-r--r--drivers/pci/controller/pcie-xilinx-nwl.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/pci/controller/pcie-xilinx-nwl.c b/drivers/pci/controller/pcie-xilinx-nwl.c
index 05b8c205493c..7db2c96c6cec 100644
--- a/drivers/pci/controller/pcie-xilinx-nwl.c
+++ b/drivers/pci/controller/pcie-xilinx-nwl.c
@@ -718,9 +718,10 @@ static int nwl_pcie_bridge_init(struct nwl_pcie *pcie)
nwl_bridge_writel(pcie, nwl_bridge_readl(pcie, E_ECAM_CONTROL) |
E_ECAM_CR_ENABLE, E_ECAM_CONTROL);
- nwl_bridge_writel(pcie, nwl_bridge_readl(pcie, E_ECAM_CONTROL) |
- (NWL_ECAM_MAX_SIZE << E_ECAM_SIZE_SHIFT),
- E_ECAM_CONTROL);
+ ecam_val = nwl_bridge_readl(pcie, E_ECAM_CONTROL);
+ ecam_val &= ~E_ECAM_SIZE_LOC;
+ ecam_val |= NWL_ECAM_MAX_SIZE << E_ECAM_SIZE_SHIFT;
+ nwl_bridge_writel(pcie, ecam_val, E_ECAM_CONTROL);
nwl_bridge_writel(pcie, lower_32_bits(pcie->phys_ecam_base),
E_ECAM_BASE_LO);