Re: [PATCH 07/20] ARM: dts: sun4i: Remove skeleton and memory to avoid warnings

From: Chen-Yu Tsai
Date: Fri Oct 06 2017 - 06:59:56 EST


On Fri, Oct 6, 2017 at 4:47 PM, Maxime Ripard
<maxime.ripard@xxxxxxxxxxxxxxxxxx> wrote:
> On Thu, Oct 05, 2017 at 03:43:53PM +0000, Chen-Yu Tsai wrote:
>> On Thu, Oct 5, 2017 at 6:49 PM, Maxime Ripard
>> <maxime.ripard@xxxxxxxxxxxxxxxxxx> wrote:
>> > Using skeleton.dtsi will create a memory node that will generate a warning
>> > in DTC. However, that node will be created by the bootloader, so we can
>> > just remove it entirely in order to remove that warning.
>> >
>> > Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>
>> > ---
>> > arch/arm/boot/dts/sun4i-a10.dtsi | 8 ++------
>> > 1 file changed, 2 insertions(+), 6 deletions(-)
>> >
>> > diff --git a/arch/arm/boot/dts/sun4i-a10.dtsi b/arch/arm/boot/dts/sun4i-a10.dtsi
>> > index 1876abb62ec7..f64544f615ea 100644
>> > --- a/arch/arm/boot/dts/sun4i-a10.dtsi
>> > +++ b/arch/arm/boot/dts/sun4i-a10.dtsi
>> > @@ -41,14 +41,14 @@
>> > * OTHER DEALINGS IN THE SOFTWARE.
>> > */
>> >
>> > -#include "skeleton.dtsi"
>> > -
>> > #include <dt-bindings/thermal/thermal.h>
>> > #include <dt-bindings/dma/sun4i-a10.h>
>> > #include <dt-bindings/clock/sun4i-a10-ccu.h>
>> > #include <dt-bindings/reset/sun4i-a10-ccu.h>
>> >
>> > / {
>> > + #address-cells = <1>;
>> > + #size-cells = <1>;
>> > interrupt-parent = <&intc>;
>> >
>> > aliases {
>> > @@ -160,10 +160,6 @@
>> > };
>> > };
>> >
>> > - memory {
>> > - reg = <0x40000000 0x80000000>;
>> > - };
>> > -
>>
>> My only concern (I'm not sure if it's valid or not) is U-boot not being
>> able to add nodes or properties due to lack of space within the DT
>> blob. It seemed like a possibility in older versions.
>>
>> Otherwise,
>>
>> Acked-by: Chen-Yu Tsai <wens@xxxxxxxx>
>
> I don't think we really have to worry about it. We've had a bunch of
> nodes (like the PSCI nodes) created in the same way for quite some
> time already without causing any issues.

Indeed. Ack it is then.

ChenYu