ARM: dts: dra7: Fix bus_dma_limit for PCIe

Even though commit cfb5d65f2595 ("ARM: dts: dra7: Add bus_dma_limit
for L3 bus") added bus_dma_limit for L3 bus, the PCIe controller
gets incorrect value of bus_dma_limit.

Fix it by adding empty dma-ranges property to axi@0 and axi@1
(parent device tree node of PCIe controller).

Cc: stable@kernel.org
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
index 4740989..7191ee6 100644 (file)
--- a/arch/arm/boot/dts/dra7.dtsi
+++ b/arch/arm/boot/dts/dra7.dtsi
@@ -172,6 +172,7 @@
                        #address-cells = <1>;
                        ranges = <0x51000000 0x51000000 0x3000
                                  0x0        0x20000000 0x10000000>;
+                       dma-ranges;
                        /**
                         * To enable PCI endpoint mode, disable the pcie1_rc
                         * node and enable pcie1_ep mode.
@@ -185,7 +186,6 @@
                                device_type = "pci";
                                ranges = <0x81000000 0 0          0x03000 0 0x00010000
                                          0x82000000 0 0x20013000 0x13000 0 0xffed000>;
-                               dma-ranges = <0x02000000 0x0 0x00000000 0x00000000 0x1 0x00000000>;
                                bus-range = <0x00 0xff>;
                                #interrupt-cells = <1>;
                                num-lanes = <1>;
@@ -230,6 +230,7 @@
                        #address-cells = <1>;
                        ranges = <0x51800000 0x51800000 0x3000
                                  0x0        0x30000000 0x10000000>;
+                       dma-ranges;
                        status = "disabled";
                        pcie2_rc: pcie@51800000 {
                                reg = <0x51800000 0x2000>, <0x51802000 0x14c>, <0x1000 0x2000>;
@@ -240,7 +241,6 @@
                                device_type = "pci";
                                ranges = <0x81000000 0 0          0x03000 0 0x00010000
                                          0x82000000 0 0x30013000 0x13000 0 0xffed000>;
-                               dma-ranges = <0x02000000 0x0 0x00000000 0x00000000 0x1 0x00000000>;
                                bus-range = <0x00 0xff>;
                                #interrupt-cells = <1>;
                                num-lanes = <1>;