Thread (1 message) 1 message, 1 author, 2016-03-17

Re: [PATCH 1/2] arm64: dts: juno/vexpress: fix node name unit-address presence warnings

From: Rob Herring <hidden>
Date: 2016-03-17 21:44:50
Also in: linux-arm-kernel

On Mon, Mar 7, 2016 at 6:12 AM, Sudeep Holla [off-list ref] wrote:
Commit fa38a82096a1 ("scripts/dtc: Update to upstream version
53bf130b1cdd") added warnings on node name unit-address presence/absence
mismatch in device trees.

This patch fixes those warning on all the juno/vexpress platforms where
unit-address is present in node name while the reg/ranges property is
not present.

Signed-off-by: Sudeep Holla <redacted>
---
 arch/arm64/boot/dts/arm/foundation-v8.dtsi         |  2 +-
 arch/arm64/boot/dts/arm/juno-base.dtsi             | 14 +++++-----
 arch/arm64/boot/dts/arm/juno-motherboard.dtsi      | 30 +++++++++++-----------
 arch/arm64/boot/dts/arm/rtsm_ve-aemv8a.dts         |  2 +-
 arch/arm64/boot/dts/arm/rtsm_ve-motherboard.dtsi   | 14 +++++-----
 .../boot/dts/arm/vexpress-v2f-1xv7-ca53x2.dts      | 10 ++++----
 6 files changed, 36 insertions(+), 36 deletions(-)

Hi Rob,

I am not sure if the intention of commit fa38a82096a1 is to fix even
existing warnings or not. I saw warning with today's -next branch.
Yes. I'm dropping it for 4.6 though.
quoted hunk
Let me know.

Regards,
Sudeep
diff --git a/arch/arm64/boot/dts/arm/foundation-v8.dtsi b/arch/arm64/boot/dts/arm/foundation-v8.dtsi
index 9314f3943269..ba03c934a861 100644
--- a/arch/arm64/boot/dts/arm/foundation-v8.dtsi
+++ b/arch/arm64/boot/dts/arm/foundation-v8.dtsi
@@ -89,7 +89,7 @@
                             <0 63 4>;
        };

-       smb {
+       smb@0,08000000 {
Drop the comma and leading zeros. Comma is for distinct fields like
bus,dev,func on PCI.

This is the next warning I'm working on...
quoted hunk
                compatible = "arm,vexpress,v2m-p1", "simple-bus";
                arm,v2m-memory-map = "rs1";
                #address-cells = <2>; /* SMB chipselect number and offset */
diff --git a/arch/arm64/boot/dts/arm/juno-base.dtsi b/arch/arm64/boot/dts/arm/juno-base.dtsi
index 4b6172b0f2cb..3841e82fa6f8 100644
--- a/arch/arm64/boot/dts/arm/juno-base.dtsi
+++ b/arch/arm64/boot/dts/arm/juno-base.dtsi
@@ -105,13 +105,13 @@
                clocks {
                        compatible = "arm,scpi-clocks";

-                       scpi_dvfs: scpi_clocks@0 {
+                       scpi_dvfs: scpi-clocks-0 {
                                compatible = "arm,scpi-dvfs-clocks";
                                #clock-cells = <1>;
                                clock-indices = <0>, <1>, <2>;
                                clock-output-names = "atlclk", "aplclk","gpuclk";
                        };
-                       scpi_clk: scpi_clocks@3 {
+                       scpi_clk: scpi-clocks-1 {
                                compatible = "arm,scpi-variable-clocks";
                                #clock-cells = <1>;
                                clock-indices = <3>;
@@ -154,7 +154,7 @@
                clock-names = "pxlclk";

                port {
-                       hdlcd1_output: endpoint@0 {
+                       hdlcd1_output: endpoint0 {
Just "endpoint" or add the reg property if there is another endpoint.
quoted hunk
                                remote-endpoint = <&tda998x_1_input>;
                        };
                };
@@ -168,7 +168,7 @@
                clock-names = "pxlclk";

                port {
-                       hdlcd0_output: endpoint@0 {
+                       hdlcd0_output: endpoint0 {
                                remote-endpoint = <&tda998x_0_input>;
                        };
                };
@@ -196,7 +196,7 @@
                        compatible = "nxp,tda998x";
                        reg = <0x70>;
                        port {
-                               tda998x_0_input: endpoint@0 {
+                               tda998x_0_input: endpoint0 {
                                        remote-endpoint = <&hdlcd0_output>;
                                };
                        };
@@ -206,7 +206,7 @@
                        compatible = "nxp,tda998x";
                        reg = <0x71>;
                        port {
-                               tda998x_1_input: endpoint@0 {
+                               tda998x_1_input: endpoint0 {
                                        remote-endpoint = <&hdlcd1_output>;
                                };
                        };
@@ -243,7 +243,7 @@
                      <0x00000008 0x80000000 0x1 0x80000000>;
        };

-       smb {
+       smb@0,08000000 {
                compatible = "simple-bus";
                #address-cells = <2>;
                #size-cells = <1>;
diff --git a/arch/arm64/boot/dts/arm/juno-motherboard.dtsi b/arch/arm64/boot/dts/arm/juno-motherboard.dtsi
index 413f1b9ebcd4..3d4af126df6e 100644
--- a/arch/arm64/boot/dts/arm/juno-motherboard.dtsi
+++ b/arch/arm64/boot/dts/arm/juno-motherboard.dtsi
@@ -46,7 +46,7 @@
                        arm,vexpress,site = <0>;
                        arm,v2m-memory-map = "rs1";

-                       mb_fixed_3v3: fixedregulator@0 {
+                       mb_fixed_3v3: fixedregulator0 {
fixed-regulator-0 perhaps.
quoted hunk
                                compatible = "regulator-fixed";
                                regulator-name = "MCC_SB_3V3";
                                regulator-min-microvolt = <3300000>;
@@ -59,42 +59,42 @@
                                #address-cells = <1>;
                                #size-cells = <0>;

-                               button@1 {
+                               button1 {
                                        debounce_interval = <50>;
                                        wakeup-source;
                                        linux,code = <116>;
                                        label = "POWER";
                                        gpios = <&iofpga_gpio0 0 0x4>;
                                };
-                               button@2 {
+                               button2 {
                                        debounce_interval = <50>;
                                        wakeup-source;
                                        linux,code = <102>;
                                        label = "HOME";
                                        gpios = <&iofpga_gpio0 1 0x4>;
                                };
-                               button@3 {
+                               button3 {
                                        debounce_interval = <50>;
                                        wakeup-source;
                                        linux,code = <152>;
                                        label = "RLOCK";
                                        gpios = <&iofpga_gpio0 2 0x4>;
                                };
-                               button@4 {
+                               button4 {
                                        debounce_interval = <50>;
                                        wakeup-source;
                                        linux,code = <115>;
                                        label = "VOL+";
                                        gpios = <&iofpga_gpio0 3 0x4>;
                                };
-                               button@5 {
+                               button5 {
                                        debounce_interval = <50>;
                                        wakeup-source;
                                        linux,code = <114>;
                                        label = "VOL-";
                                        gpios = <&iofpga_gpio0 4 0x4>;
                                };
-                               button@6 {
+                               button6 {
                                        debounce_interval = <50>;
                                        wakeup-source;
                                        linux,code = <99>;
@@ -159,7 +159,7 @@
                                        compatible = "syscon", "simple-mfd";
                                        reg = <0x010000 0x1000>;

-                                       led@08.0 {
+                                       led0 {
In hindsight, we probably should have done "reg = <0x8 0>" for
register and bit offsets.

Is "0" the best description of this led (i.e. is there some h/w defined name)?
                                                compatible = "register-bit-led";
                                                offset = <0x08>;
                                                mask = <0x01>;
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