Hi Chris, On Fri, Nov 30, 2018 at 1:20 PM Chris Brandt <Chris.Brandt@xxxxxxxxxxx> wrote: > On Friday, November 30, 2018, Simon Horman wrote: > > I am wondering about the motivation for dual-licensing this file. > > It does not seem to be something Renesas has done before with > > upstream DT. > > > > I am also wondering if the dual licence, if it remains, can be > > described using SPDX. > > A while back, I was reading/hearing about how board DT file do not have > to be GPL and the user should not have to be forced to make this GPL. > (Maybe at some ELC conference or on LWN or something) Indeed. Recently there have been some attempts to fix this. > So in our RZ/A BSP that I release to customers I would use this dual > license. You can see the exact same license in a number of dts files in > mainline. Note that your file includes #include <dt-bindings/gpio/gpio.h> #include <dt-bindings/pinctrl/r7s9210-pinctrl.h> both of which are include/dt-bindings/gpio/gpio.h:/* SPDX-License-Identifier: GPL-2.0 */ include/dt-bindings/pinctrl/r7s9210-pinctrl.h:/* SPDX-License-Identifier: GPL-2.0 */ > Since there is no SPDX for this, I figure Rob might have some opinion on > the matter. > And, if I have to make it GLP for the mainline version, then I will just > replace the license when I release the customer BSP (since I wrote it, > I can do that). But, I would be nice to keep the BSP version as close to > mainline as I can. Documentation/process/license-rules.rst does have SPDX identifiers for dual-licensed files. Perhaps they match the license of your file? Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds