diff mbox series

[RFC,3/3] ARM: dts: davinci, keystone: correct watchdog nodenames

Message ID 20240721170840.15569-4-five231003@gmail.com
State New
Headers show
Series ti: davinci, keystone: txt to yaml | expand

Commit Message

Kousik Sanagavarapu July 21, 2024, 4:28 p.m. UTC
Using "wdt" instead of "watchdog" for watchdog timer nodes doesn't allow
for validation with the corresponding dtschema and gives errors

	$ make CHECK_DTBS=y DT_SCHEMA_FILES=ti,davinci-wdt.yaml \
		ti/keystone/keystone-k2g-ice.dtb

	DTC_CHK arch/arm/boot/dts/ti/keystone/keystone-k2g-ice.dtb
	arch/arm/boot/dts/ti/keystone/keystone-k2g-ice.dtb:
	wdt@02250000: $nodename:0: 'wdt@02250000' does not match
	'^(timer|watchdog)(@.*|-([0-9]|[1-9][0-9]+))?$'
	from schema $id:
	http://devicetree.org/schemas/watchdog/ti,davinci-wdt.yaml#

Therefore change "wdt@" to "watchdog@".

While at it, remove "ti,davinci-wdt" compatible from the keystone dts
code.

Signed-off-by: Kousik Sanagavarapu <five231003@gmail.com>
---
Question: Should "wdt@" be changed everywhere in the dts code or is it
only a requirement of validation against dtschema?

Also, I'm not sure about removing "ti,davinci-wdt" from the keystone dts
code.  I'm thinking it is only there so that the driver code can get
information from keystone nodes too, because it seems that there is no
code for ti,keystone-wdt.

So question,

- Is WDT Controller driver for keystone not written yet?

Or

- Does the WDT Controller driver for keystone have the same
  functionality as one on davinci - hence leading us to simply do

	.compatible = "ti,keystone-wdt"

  ?

 arch/arm/boot/dts/ti/davinci/da850.dtsi         | 2 +-
 arch/arm/boot/dts/ti/keystone/keystone-k2g.dtsi | 4 ++--
 arch/arm/boot/dts/ti/keystone/keystone.dtsi     | 4 ++--
 3 files changed, 5 insertions(+), 5 deletions(-)

Comments

Krzysztof Kozlowski July 22, 2024, 8:13 a.m. UTC | #1
On 21/07/2024 18:28, Kousik Sanagavarapu wrote:
> Using "wdt" instead of "watchdog" for watchdog timer nodes doesn't allow
> for validation with the corresponding dtschema and gives errors
> 
> 	$ make CHECK_DTBS=y DT_SCHEMA_FILES=ti,davinci-wdt.yaml \
> 		ti/keystone/keystone-k2g-ice.dtb
> 
> 	DTC_CHK arch/arm/boot/dts/ti/keystone/keystone-k2g-ice.dtb
> 	arch/arm/boot/dts/ti/keystone/keystone-k2g-ice.dtb:
> 	wdt@02250000: $nodename:0: 'wdt@02250000' does not match
> 	'^(timer|watchdog)(@.*|-([0-9]|[1-9][0-9]+))?$'
> 	from schema $id:
> 	http://devicetree.org/schemas/watchdog/ti,davinci-wdt.yaml#
> 
> Therefore change "wdt@" to "watchdog@".
> 
> While at it, remove "ti,davinci-wdt" compatible from the keystone dts
> code.

That's entirely unrelated patch. Don't mix simple cleanups with patches
affecting ABI and users. Also, explain why.

> 
> Signed-off-by: Kousik Sanagavarapu <five231003@gmail.com>
> ---


Best regards,
Krzysztof
Kousik Sanagavarapu July 22, 2024, 1:21 p.m. UTC | #2
On Mon, Jul 22, 2024 at 10:13:59AM +0200, Krzysztof Kozlowski wrote:
> On 21/07/2024 18:28, Kousik Sanagavarapu wrote:
> > Using "wdt" instead of "watchdog" for watchdog timer nodes doesn't allow
> > for validation with the corresponding dtschema and gives errors
> >
> > [...]
> >
> That's entirely unrelated patch. Don't mix simple cleanups with patches
> affecting ABI and users. Also, explain why.

Got it.  Will submit v2 as a seperate patch, outside of this series.

Thanks
Krzysztof Kozlowski July 22, 2024, 2:07 p.m. UTC | #3
On 22/07/2024 15:21, Kousik Sanagavarapu wrote:
> On Mon, Jul 22, 2024 at 10:13:59AM +0200, Krzysztof Kozlowski wrote:
>> On 21/07/2024 18:28, Kousik Sanagavarapu wrote:
>>> Using "wdt" instead of "watchdog" for watchdog timer nodes doesn't allow
>>> for validation with the corresponding dtschema and gives errors
>>>
>>> [...]
>>>
>> That's entirely unrelated patch. Don't mix simple cleanups with patches
>> affecting ABI and users. Also, explain why.
> 
> Got it.  Will submit v2 as a seperate patch, outside of this series.

... and carefully re-think why. I am 99% sure your patch breaks the
users. Better if you test your changes.

Conversion of the bindings is a task which requires to know how DTS works.

Best regards,
Krzysztof
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/ti/davinci/da850.dtsi b/arch/arm/boot/dts/ti/davinci/da850.dtsi
index 1d3fb5397ce3..89055ab87256 100644
--- a/arch/arm/boot/dts/ti/davinci/da850.dtsi
+++ b/arch/arm/boot/dts/ti/davinci/da850.dtsi
@@ -525,7 +525,7 @@  clocksource: timer@20000 {
 			interrupt-names = "tint12", "tint34";
 			clocks = <&pll0_auxclk>;
 		};
-		wdt: wdt@21000 {
+		wdt: watchdog@21000 {
 			compatible = "ti,davinci-wdt";
 			reg = <0x21000 0x1000>;
 			clocks = <&pll0_auxclk>;
diff --git a/arch/arm/boot/dts/ti/keystone/keystone-k2g.dtsi b/arch/arm/boot/dts/ti/keystone/keystone-k2g.dtsi
index dafe485dfe19..884402a5fe4a 100644
--- a/arch/arm/boot/dts/ti/keystone/keystone-k2g.dtsi
+++ b/arch/arm/boot/dts/ti/keystone/keystone-k2g.dtsi
@@ -610,8 +610,8 @@  spi3: spi@21806000 {
 			clocks = <&k2g_clks 0x0013 0>;
 		};
 
-		wdt: wdt@02250000 {
-			compatible = "ti,keystone-wdt", "ti,davinci-wdt";
+		wdt: watchdog@02250000 {
+			compatible = "ti,keystone-wdt";
 			reg = <0x02250000 0x80>;
 			power-domains = <&k2g_pds 0x22>;
 			clocks = <&k2g_clks 0x22 0>;
diff --git a/arch/arm/boot/dts/ti/keystone/keystone.dtsi b/arch/arm/boot/dts/ti/keystone/keystone.dtsi
index ff16428860a9..f697f27edcfc 100644
--- a/arch/arm/boot/dts/ti/keystone/keystone.dtsi
+++ b/arch/arm/boot/dts/ti/keystone/keystone.dtsi
@@ -225,8 +225,8 @@  usb0: usb@2690000 {
 			};
 		};
 
-		wdt: wdt@22f0080 {
-			compatible = "ti,keystone-wdt","ti,davinci-wdt";
+		wdt: watchdog@22f0080 {
+			compatible = "ti,keystone-wdt";
 			reg = <0x022f0080 0x80>;
 			clocks = <&clkwdtimer0>;
 		};