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ARM: dts: dra7: Fix bus_dma_limit for PCIe

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commit 90d4d3f4ea upstream.

Even though commit cfb5d65f25 ("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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Kishon Vijay Abraham I 2020-04-17 12:13:40 +05:30 committed by Greg Kroah-Hartman
parent 8645ac3684
commit 84c4cd40f4
1 changed files with 2 additions and 2 deletions
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4
arch/arm/boot/dts/dra7.dtsi
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@ -289,6 +289,7 @@ axi@0 {
#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.
@ -303,7 +304,6 @@ pcie1_rc: pcie@51000000 {
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>;
@ -347,6 +347,7 @@ axi@1 {
#address-cells = <1>;
ranges = <0x51800000 0x51800000 0x3000
0x0 0x30000000 0x10000000>;
dma-ranges;
status = "disabled";
pcie@51800000 {
compatible = "ti,dra7-pcie";
@ -358,7 +359,6 @@ pcie@51800000 {
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>;