Hi Nicolas, On 15/04/2021 02:29, Nicolas Boichat wrote: > On Wed, Apr 14, 2021 at 10:46 PM <matthias.bgg@xxxxxxxxxx> wrote: >> >> From: Matthias Brugger <matthias.bgg@xxxxxxxxx> >> >> The dsi children don't have any reg property, > > Confused, see below. > >> so we don't need address and >> size cells. This makes dtbs_check happy. >> >> CC: Hsin-Yi Wang <hsinyi@xxxxxxxxxxxx> >> CC: Enric Balletbo i Serra <enric.balletbo@xxxxxxxxxxxxx> >> CC: Nicolas Boichat <drinkcat@xxxxxxxxxxxx> >> Signed-off-by: Matthias Brugger <matthias.bgg@xxxxxxxxx> >> >> --- >> >> arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi | 3 +-- >> 1 file changed, 1 insertion(+), 2 deletions(-) >> >> diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi >> index ff56bcfa3370..f4dca6a33168 100644 >> --- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi >> +++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi >> @@ -251,8 +251,7 @@ &cpu7 { >> >> &dsi0 { >> status = "okay"; >> - #address-cells = <1>; >> - #size-cells = <0>; >> + >> panel: panel@0 { >> /* compatible will be set in board dts */ >> reg = <0>; > > ^^ isn't that... a reg property? > Yes, that's my fault. I'm not quite sure why we would need this reg property. In any case also we have it present "dtbs_check W=1" throws the following warning: mediatek/mt8183.dtsi:1234.22-1246.5: Warning (avoid_unnecessary_addr_size): /soc/dsi@14014000: unnecessary #address-cells/#size-cells without "ranges" or child "reg" property Can you have a look at that? Regards, Matthias >> -- >> 2.30.2 >>