Re: [chrony-users] PPS GPIO polling driver license

[Bill Unruh <unruh@xxxxxxxxxxxxxx>]

I am probably confused. The SPDX seems to apply to the .h files associated
with the driver, not the driver itself. Use of the driver by a program seems
not to make the useing program a derived work, so there is no need to have a
special license. Perhaps if you told us whyyou are asking and what you want to
do it would make it easier. Of course I might be the only one confused. What
would you like the license to say?


William G. Unruh __| Canadian Institute for|____ Tel: +1(604)822-3273
Physics&Astronomy _|___ Advanced Research _|____ Fax: +1(604)822-5324
UBC, Vancouver,BC _|_ Program in Cosmology |____ unruh@xxxxxxxxxxxxxx
Canada V6T 1Z1 ____|____ and Gravity ______|_    theory.physics.ubc.ca/

On Fri, 7 Jul 2023, Thangalin wrote:

> [CAUTION: Non-UBC Email]Bill, the following file is a PPS driver distributed with the Linux kernel:
>
> https://github.com/torvalds/linux/blob/master/drivers/pps/pps.c
>
> It is also released under a GPL 2.0 license:
>
> // SPDX-License-Identifier: GPL-2.0-or-later
>
> However, being distributed with the Linux kernel, the source code falls under the "Linux with syscall exception"
> clause, despite the source code comments only referring to GPL 2.
>
> Does anyone know how to contact Gabriel Ricalde to see if re-licensing is permissible?
>
> Thank you!

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