diff mbox

[01/11] ARM: dts: exynos: Fix DTC unit name warnings in cros-adc-thermistors

Message ID 1459493874-2366-1-git-send-email-k.kozlowski@samsung.com (mailing list archive)
State Superseded
Headers show

Commit Message

Krzysztof Kozlowski April 1, 2016, 6:57 a.m. UTC
Fix following DTC warnings in cros-adc-thermistors:
Warning (unit_address_vs_reg): Node /adc@12D10000/ncp15wb473@3 has a unit name, but no reg property
Warning (unit_address_vs_reg): Node /adc@12D10000/ncp15wb473@4 has a unit name, but no reg property
Warning (unit_address_vs_reg): Node /adc@12D10000/ncp15wb473@5 has a unit name, but no reg property
Warning (unit_address_vs_reg): Node /adc@12D10000/ncp15wb473@6 has a unit name, but no reg property

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
---
 arch/arm/boot/dts/cros-adc-thermistors.dtsi | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

Comments

Javier Martinez Canillas April 1, 2016, 2:24 p.m. UTC | #1
Hello Krzysztof,

On 04/01/2016 02:57 AM, Krzysztof Kozlowski wrote:
> Fix following DTC warnings in cros-adc-thermistors:
> Warning (unit_address_vs_reg): Node /adc@12D10000/ncp15wb473@3 has a unit name, but no reg property
> Warning (unit_address_vs_reg): Node /adc@12D10000/ncp15wb473@4 has a unit name, but no reg property
> Warning (unit_address_vs_reg): Node /adc@12D10000/ncp15wb473@5 has a unit name, but no reg property
> Warning (unit_address_vs_reg): Node /adc@12D10000/ncp15wb473@6 has a unit name, but no reg property
> 
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
> ---

Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>

Best regards,
Rob Herring April 1, 2016, 3:31 p.m. UTC | #2
On Fri, Apr 1, 2016 at 1:57 AM, Krzysztof Kozlowski
<k.kozlowski@samsung.com> wrote:
> Fix following DTC warnings in cros-adc-thermistors:
> Warning (unit_address_vs_reg): Node /adc@12D10000/ncp15wb473@3 has a unit name, but no reg property
> Warning (unit_address_vs_reg): Node /adc@12D10000/ncp15wb473@4 has a unit name, but no reg property
> Warning (unit_address_vs_reg): Node /adc@12D10000/ncp15wb473@5 has a unit name, but no reg property
> Warning (unit_address_vs_reg): Node /adc@12D10000/ncp15wb473@6 has a unit name, but no reg property
>
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
> ---
>  arch/arm/boot/dts/cros-adc-thermistors.dtsi | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm/boot/dts/cros-adc-thermistors.dtsi b/arch/arm/boot/dts/cros-adc-thermistors.dtsi
> index acd4fe1833f2..87e676917603 100644
> --- a/arch/arm/boot/dts/cros-adc-thermistors.dtsi
> +++ b/arch/arm/boot/dts/cros-adc-thermistors.dtsi
> @@ -13,28 +13,28 @@
>  */
>
>  &adc {
> -       ncp15wb473@3 {
> +       ncp15wb473_3 {

Don't use underscores.

>                 compatible = "murata,ncp15wb473";
>                 pullup-uv = <1800000>;
>                 pullup-ohm = <47000>;
>                 pulldown-ohm = <0>;
>                 io-channels = <&adc 3>;

I've not looked at the full binding here, but this case may warrant
adding a reg property as an ADC channel number is what i'd consider an
addressable thing. This is also kind of strange having a phandle to
the parent node.

Rob
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Krzysztof Kozlowski April 3, 2016, 3:46 a.m. UTC | #3
On Fri, Apr 01, 2016 at 10:31:34AM -0500, Rob Herring wrote:
> On Fri, Apr 1, 2016 at 1:57 AM, Krzysztof Kozlowski
> <k.kozlowski@samsung.com> wrote:
> > Fix following DTC warnings in cros-adc-thermistors:
> > Warning (unit_address_vs_reg): Node /adc@12D10000/ncp15wb473@3 has a unit name, but no reg property
> > Warning (unit_address_vs_reg): Node /adc@12D10000/ncp15wb473@4 has a unit name, but no reg property
> > Warning (unit_address_vs_reg): Node /adc@12D10000/ncp15wb473@5 has a unit name, but no reg property
> > Warning (unit_address_vs_reg): Node /adc@12D10000/ncp15wb473@6 has a unit name, but no reg property
> >
> > Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
> > ---
> >  arch/arm/boot/dts/cros-adc-thermistors.dtsi | 8 ++++----
> >  1 file changed, 4 insertions(+), 4 deletions(-)
> >
> > diff --git a/arch/arm/boot/dts/cros-adc-thermistors.dtsi b/arch/arm/boot/dts/cros-adc-thermistors.dtsi
> > index acd4fe1833f2..87e676917603 100644
> > --- a/arch/arm/boot/dts/cros-adc-thermistors.dtsi
> > +++ b/arch/arm/boot/dts/cros-adc-thermistors.dtsi
> > @@ -13,28 +13,28 @@
> >  */
> >
> >  &adc {
> > -       ncp15wb473@3 {
> > +       ncp15wb473_3 {
> 
> Don't use underscores.

The ePAPR lists underscore as a acceptable character... but if you
insists then the sensible solution would be to rename all the nodes to
something like:
-       ncp15wb473@3 {
+       thermistor3 {

Is it okay?

> 
> >                 compatible = "murata,ncp15wb473";
> >                 pullup-uv = <1800000>;
> >                 pullup-ohm = <47000>;
> >                 pulldown-ohm = <0>;
> >                 io-channels = <&adc 3>;
> 
> I've not looked at the full binding here, but this case may warrant
> adding a reg property as an ADC channel number is what i'd consider an
> addressable thing.

This does not look entirely as an addressable thing. Altough this
particular driver (ntc_thermistor.c) uses one iio-channel... but others
are often using more than one.

> This is also kind of strange having a phandle to
> the parent node.

The Documentation/devicetree/bindings/arm/samsung/exynos-adc.txt
mentions that sensors can be added as child nodes or separately. The
exynos_adc driver indeed calls of_platform_populate() but I am not sure
why this was added.

Best regards,
Krzysztof
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diff mbox

Patch

diff --git a/arch/arm/boot/dts/cros-adc-thermistors.dtsi b/arch/arm/boot/dts/cros-adc-thermistors.dtsi
index acd4fe1833f2..87e676917603 100644
--- a/arch/arm/boot/dts/cros-adc-thermistors.dtsi
+++ b/arch/arm/boot/dts/cros-adc-thermistors.dtsi
@@ -13,28 +13,28 @@ 
 */
 
 &adc {
-	ncp15wb473@3 {
+	ncp15wb473_3 {
 		compatible = "murata,ncp15wb473";
 		pullup-uv = <1800000>;
 		pullup-ohm = <47000>;
 		pulldown-ohm = <0>;
 		io-channels = <&adc 3>;
 	};
-	ncp15wb473@4 {
+	ncp15wb473_4 {
 		compatible = "murata,ncp15wb473";
 		pullup-uv = <1800000>;
 		pullup-ohm = <47000>;
 		pulldown-ohm = <0>;
 		io-channels = <&adc 4>;
 	};
-	ncp15wb473@5 {
+	ncp15wb473_5 {
 		compatible = "murata,ncp15wb473";
 		pullup-uv = <1800000>;
 		pullup-ohm = <47000>;
 		pulldown-ohm = <0>;
 		io-channels = <&adc 5>;
 	};
-	ncp15wb473@6 {
+	ncp15wb473_6 {
 		compatible = "murata,ncp15wb473";
 		pullup-uv = <1800000>;
 		pullup-ohm = <47000>;