Forwarding this to the linux-media mailinglist so Tom's Signed-off-by is archived. His original email was blocked by the mailinglist since it contained HTML markup. Regards, Hans -------- Forwarded Message -------- Subject: Re: [PATCH] vicodec: change codec license to LGPL Date: Mon, 3 Sep 2018 09:52:37 +0200 From: Tom aan de Wiel <tom.aandewiel@xxxxxxxxx> To: Hans Verkuil <hverkuil@xxxxxxxxx> CC: Mauro Carvalho Chehab <mchehab+samsung@xxxxxxxxxx>, Linux Media Mailing List <linux-media@xxxxxxxxxxxxxxx>, Nicolas Dufresne <nicolas.dufresne@xxxxxxxxxxxxx> Hi! For me both GPL and LGPL are ok, I'm not sure as to what is the best way to make the change, but I'll be fine with either way: Signed-off-by: Tom aan de Wiel <tom.aandewiel@xxxxxxxxx> Kind regards, Tom man. 3. sep. 2018 kl. 09:32 skrev Hans Verkuil <hverkuil@xxxxxxxxx <mailto:hverkuil@xxxxxxxxx>>: On 09/03/2018 03:17 AM, Mauro Carvalho Chehab wrote: > Em Sun, 2 Sep 2018 12:37:04 +0200 > Hans Verkuil <hverkuil@xxxxxxxxx <mailto:hverkuil@xxxxxxxxx>> escreveu: > >> The FWHT codec can also be used by userspace utilities and libraries, but >> since the current license is GPL and not LGPL it is not possible to include >> it in e.g. gstreamer, since LGPL is required for that. >> >> Change the license of these four files to LGPL. >> >> Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx <mailto:hans.verkuil@xxxxxxxxx>> >> --- >> Tom, if you agree to this, can you give your 'Signed-off-by' line? I cannot >> make this change for the codec-fwht.c/h files without it. I think this change >> makes sense. >> >> Regards, >> >> Hans >> --- >> diff --git a/drivers/media/platform/vicodec/codec-fwht.c b/drivers/media/platform/vicodec/codec-fwht.c >> index 47939160560e..36656031b295 100644 >> --- a/drivers/media/platform/vicodec/codec-fwht.c >> +++ b/drivers/media/platform/vicodec/codec-fwht.c >> @@ -1,4 +1,4 @@ >> -// SPDX-License-Identifier: GPL-2.0+ >> +// SPDX-License-Identifier: LGPL-2.1+ > > There aren't much C files under LGPL at the Kernel. Yeah, I know it > is compatible with GPL-2.0+, but I would prefer it the tag would > be, instead: > > // SPDX-License-Identifier: GPL-2.0+ OR LGPL-2.1+ > > as this makes easier if one uses some software to parse the Kernel > tree. > > (same applies to the other files). I don't see the point. Grepping for this shows nobody else doing that. LGPL is one of the preferred licenses (LICENSES/preferred/), so I don't see what you gain by supporting both. I don't see why this would make it easier parsing the kernel, since that's what the SPDX tag is for. Regards, Hans > > Regards, > Mauro > >> /* >> * Copyright 2016 Tom aan de Wiel >> * Copyright 2018 Cisco Systems, Inc. and/or its affiliates. All rights reserved. >> diff --git a/drivers/media/platform/vicodec/codec-fwht.h b/drivers/media/platform/vicodec/codec-fwht.h >> index 1f9e47331197..3e9391fec5fe 100644 >> --- a/drivers/media/platform/vicodec/codec-fwht.h >> +++ b/drivers/media/platform/vicodec/codec-fwht.h >> @@ -1,4 +1,4 @@ >> -/* SPDX-License-Identifier: GPL-2.0+ */ >> +/* SPDX-License-Identifier: LGPL-2.1+ */ >> /* >> * Copyright 2016 Tom aan de Wiel >> * Copyright 2018 Cisco Systems, Inc. and/or its affiliates. All rights reserved. >> diff --git a/drivers/media/platform/vicodec/codec-v4l2-fwht.c b/drivers/media/platform/vicodec/codec-v4l2-fwht.c >> index cfcf84b8574d..6b06aa382cbb 100644 >> --- a/drivers/media/platform/vicodec/codec-v4l2-fwht.c >> +++ b/drivers/media/platform/vicodec/codec-v4l2-fwht.c >> @@ -1,4 +1,4 @@ >> -// SPDX-License-Identifier: GPL-2.0 >> +// SPDX-License-Identifier: LGPL-2.1 >> /* >> * A V4L2 frontend for the FWHT codec >> * >> diff --git a/drivers/media/platform/vicodec/codec-v4l2-fwht.h b/drivers/media/platform/vicodec/codec-v4l2-fwht.h >> index 7794c186d905..95d1756556db 100644 >> --- a/drivers/media/platform/vicodec/codec-v4l2-fwht.h >> +++ b/drivers/media/platform/vicodec/codec-v4l2-fwht.h >> @@ -1,4 +1,4 @@ >> -/* SPDX-License-Identifier: GPL-2.0 */ >> +/* SPDX-License-Identifier: LGPL-2.1 */ >> /* >> * Copyright 2018 Cisco Systems, Inc. and/or its affiliates. All rights reserved. >> */ > > > > Thanks, > Mauro >