On Mon, Oct 07, 2024 at 12:30:53PM +0100, Daniel Golle wrote: > On Mon, Oct 07, 2024 at 08:38:27AM +0200, Krzysztof Kozlowski wrote: > > On Sun, Oct 06, 2024 at 02:04:35PM +0100, Daniel Golle wrote: > > > On Sun, Oct 06, 2024 at 02:44:44PM +0200, Krzysztof Kozlowski wrote: > > > > I think this should be just string enum, see marvell,marvell10g.yaml > > > > > > I found the vendor-specific 'marvell,polarity' property in > > > https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20231214201442.660447-5-tobias@xxxxxxxxxxxxxx/ > > > > > > However, I can't find that file in any Linux tree. > > > > > > Looking at the suggested patch on patchwork, I got a few questions on > > > how to deal with the situation as of today: > > > > > > So should the existing support for the 'active-low' and > > > 'inactive-high-impedance' properties be replaced by that string enum? > > > Or should the string property be interpreted in addition to the > > > bools defined in leds/common.yaml? > > > > > > Should the string property be defined for each PHY or should we move > > > it into a common file? > > > > > > If so, should that common file also be leds/common.yaml or should we > > > create a new file only for PHY LEDs instead? > > > > > > Sorry for being confused, I don't mind going down what ever path to have > > > LED polarity configurable properly in DT. > > > > Let's ignore my idea. > > > > However I still wonder whether your choice for lack of properties is > > appropriate. Lack of properties as "bootloader default" means it can > > change. Why would anyone prefer to keep bootloader default? The wiring > > is fixed - it's never "we design PCB based on bootloader, so with new > > bootloader we will change PCB"? > > > > And if you meant bootstrapping through some hardwired configuration, > > then again it is known and defined. > > I agree, and my original intention was to just always apply polarity > settings and force people to correctly declare them in DT. > However, that would break DT compatibility on devices not making use > of those properties and relying only on strapping or bootloader > defaults. See also RFC discussed here: > > https://patchwork.kernel.org/project/netdevbpf/patch/473d62f268f2a317fd81d0f38f15d2f2f98e2451.1728056697.git.daniel@xxxxxxxxxxxxxx/ > I see that the series was marked as "Not Applicable" in patchwork. What is the reason for that? To me it looks like it can be applied on today's net-next cleanly: [daniel@box linux.git]$ git fetch https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next