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The previous device tree correctly reflects the hardware behavior. The reverted commit introduced a fake address translation at pcie's parent bus node. Reverting this change prepares for the cleanup of the driver's cpu_addr_fixup() hook. Signed-off-by: Frank Li --- Previous disscusion at https://lore.kernel.org/linux-pci/20250314064642.fyf3jqylmc6meft7@uda0492258/ --- arch/arm/boot/dts/ti/omap/dra7.dtsi | 29 +++++++++++------------------ 1 file changed, 11 insertions(+), 18 deletions(-) diff --git a/arch/arm/boot/dts/ti/omap/dra7.dtsi b/arch/arm/boot/dts/ti/omap/dra7.dtsi index b709703f6c0d4..711ce4c31bb1f 100644 --- a/arch/arm/boot/dts/ti/omap/dra7.dtsi +++ b/arch/arm/boot/dts/ti/omap/dra7.dtsi @@ -195,24 +195,22 @@ axi0: target-module@51000000 { clock-names = "fck", "phy-clk", "phy-clk-div"; #size-cells = <1>; #address-cells = <1>; - ranges = <0x51000000 0x51000000 0x3000>, - <0x20000000 0x20000000 0x10000000>; + ranges = <0x51000000 0x51000000 0x3000 + 0x0 0x20000000 0x10000000>; dma-ranges; /** * To enable PCI endpoint mode, disable the pcie1_rc * node and enable pcie1_ep mode. */ pcie1_rc: pcie@51000000 { - reg = <0x51000000 0x2000>, - <0x51002000 0x14c>, - <0x20001000 0x2000>; + reg = <0x51000000 0x2000>, <0x51002000 0x14c>, <0x1000 0x2000>; reg-names = "rc_dbics", "ti_conf", "config"; interrupts = <0 232 0x4>, <0 233 0x4>; #address-cells = <3>; #size-cells = <2>; device_type = "pci"; - ranges = <0x81000000 0 0x00000000 0x20003000 0 0x00010000>, - <0x82000000 0 0x20013000 0x20013000 0 0x0ffed000>; + ranges = <0x81000000 0 0 0x03000 0 0x00010000 + 0x82000000 0 0x20013000 0x13000 0 0xffed000>; bus-range = <0x00 0xff>; #interrupt-cells = <1>; num-lanes = <1>; @@ -235,10 +233,7 @@ pcie1_intc: interrupt-controller { }; pcie1_ep: pcie_ep@51000000 { - reg = <0x51000000 0x28>, - <0x51002000 0x14c>, - <0x51001000 0x28>, - <0x20001000 0x10000000>; + reg = <0x51000000 0x28>, <0x51002000 0x14c>, <0x51001000 0x28>, <0x1000 0x10000000>; reg-names = "ep_dbics", "ti_conf", "ep_dbics2", "addr_space"; interrupts = <0 232 0x4>; num-lanes = <1>; @@ -269,21 +264,19 @@ axi1: target-module@51800000 { reset-names = "rstctrl"; #size-cells = <1>; #address-cells = <1>; - ranges = <0x51800000 0x51800000 0x3000>, - <0x30000000 0x30000000 0x10000000>; + ranges = <0x51800000 0x51800000 0x3000 + 0x0 0x30000000 0x10000000>; dma-ranges; status = "disabled"; pcie2_rc: pcie@51800000 { - reg = <0x51800000 0x2000>, - <0x51802000 0x14c>, - <0x30001000 0x2000>; + reg = <0x51800000 0x2000>, <0x51802000 0x14c>, <0x1000 0x2000>; reg-names = "rc_dbics", "ti_conf", "config"; interrupts = <0 355 0x4>, <0 356 0x4>; #address-cells = <3>; #size-cells = <2>; device_type = "pci"; - ranges = <0x81000000 0 0x00000000 0x30003000 0 0x00010000>, - <0x82000000 0 0x30013000 0x30013000 0 0x0ffed000>; + ranges = <0x81000000 0 0 0x03000 0 0x00010000 + 0x82000000 0 0x30013000 0x13000 0 0xffed000>; bus-range = <0x00 0xff>; #interrupt-cells = <1>; num-lanes = <1>;