[PATCH v4 12/14] riscv: dts: canaan: fix bus {ranges,reg} warnings

Conor Dooley conor at kernel.org
Fri Jul 1 19:22:58 UTC 2022


From: Conor Dooley <conor.dooley at microchip.com>

The k210 devicetrees warn about missing/empty reg and/or ranges
properties:
arch/riscv/boot/dts/canaan/k210.dtsi:408.22-460.5: Warning (unit_address_vs_reg): /soc/bus at 52000000: node has a unit name, but no reg or ranges property
arch/riscv/boot/dts/canaan/k210.dtsi:352.22-406.5: Warning (simple_bus_reg): /soc/bus at 50400000: missing or empty reg/ranges property

Add a ranges properties that naively caps the buses after the
allocation of their last devices.

Tested-by: Niklas Cassel <niklas.cassel at wdc.com>
Signed-off-by: Conor Dooley <conor.dooley at microchip.com>
---
 arch/riscv/boot/dts/canaan/k210.dtsi | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/riscv/boot/dts/canaan/k210.dtsi b/arch/riscv/boot/dts/canaan/k210.dtsi
index 948dc235e39d..a515e5fb1af3 100644
--- a/arch/riscv/boot/dts/canaan/k210.dtsi
+++ b/arch/riscv/boot/dts/canaan/k210.dtsi
@@ -163,7 +163,7 @@ apb0: bus at 50200000 {
 			#address-cells = <1>;
 			#size-cells = <1>;
 			compatible = "simple-pm-bus";
-			ranges;
+			ranges = <0x50200000 0x50200000 0x200000>;
 			clocks = <&sysclk K210_CLK_APB0>;
 
 			gpio1: gpio at 50200000 {
@@ -382,7 +382,7 @@ apb1: bus at 50400000 {
 			#address-cells = <1>;
 			#size-cells = <1>;
 			compatible = "simple-pm-bus";
-			ranges;
+			ranges = <0x50400000 0x50400000 0x40100>;
 			clocks = <&sysclk K210_CLK_APB1>;
 
 			wdt0: watchdog at 50400000 {
@@ -437,7 +437,7 @@ apb2: bus at 52000000 {
 			#address-cells = <1>;
 			#size-cells = <1>;
 			compatible = "simple-pm-bus";
-			ranges;
+			ranges = <0x52000000 0x52000000 0x2000200>;
 			clocks = <&sysclk K210_CLK_APB2>;
 
 			spi0: spi at 52000000 {
-- 
2.37.0



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