Hi Pavel, On 2021-03-17 03:38, Pavel Machek <pavel@xxxxxx> wrote: > > On Tue 2021-03-16 16:34:50, Geert Uytterhoeven wrote: > > Hi Tianling, > > > > CC Jacek, Pavel > > > > On Tue, Mar 16, 2021 at 4:00 PM Tianling Shen <cnsztl@xxxxxxxxx> wrote: > > > On 2021-03-16 02:23 Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote: > > > > Personally, I'm not so fond of the <foo>-%u node names, and prefer > > > > <foo>-<function>. With the former, it's way too easy to have a silent > > > > override in your .dts(i) stack. > > > > Cfr. commit 45f5d5a9e34d3fe4 ("arm64: dts: renesas: r8a77995: draak: > > > > Fix backlight regulator name") > > > > > > How about using `lan-led`, `sys-led` and `wan-led` here? > > > > Documentation/devicetree/bindings/leds/leds-gpio.yaml says "led-%u" > > is the preferred form, but that anything containing "led" as a substring > > is accepted. So I'd go for "led-lan" etc. > > > > BTW, you can validate your DTB against the leds-gpio DT bindings > > by running: > > > > make dtbs_check > > DT_SCHEMA_FILES=Documentation/devicetree/bindings/leds/leds-gpio.yaml > > > > Background info for CCed parties: > > > https://lore.kernel.org/linux-arm-kernel/20210316150033.15987-1-cnsztl@xxxxxxxxx/ > > I don't care much either way, lan-0 is okay as is lan-led. > > but... > > + label = "nanopi-r4s:green:lan"; > + label = "nanopi-r4s:red:sys"; > + label = "nanopi-r4s:green:wan"; > > > It would be good to have common labels, that means LED_FUNCTION_LAN, > LED_FUNCTION_WAN, and figuring out something better than "sys", > possibly LED_FUNCTION_FAULT? LED_FUNCTION_POWER for "sys" would be fine, I think. However, Documentation/leds/leds-class.rst says the form of naming is "devicename:color:function", and according to the given examples, as well as other dts(i), would it be okay to use `green:lan` etc. as the lable? > > Thanks, > Pavel > > -- > http://www.livejournal.com/~pavelmachek Thanks, Tianling.