It was <2017-12-22 pią 14:34>, when Philippe Ombredanne wrote:
> Łukasz,
>
> On Fri, Dec 22, 2017 at 2:23 PM, Łukasz Stelmach <l.stelmach@xxxxxxxxxxx> wrote:
>> Add support for True Random Number Generator found in Samsung Exynos
>> 5250+ SoCs.
>>
>> Signed-off-by: Łukasz Stelmach <l.stelmach@xxxxxxxxxxx>
>> Reviewed-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
>
> <snip>
>
>> --- /dev/null
>> +++ b/drivers/char/hw_random/exynos-trng.c
>> @@ -0,0 +1,245 @@
>> +/*
>> + * RNG driver for Exynos TRNGs
>> + *
>> + * Author: Łukasz Stelmach <l.stelmach@xxxxxxxxxxx>
>> + *
>> + * Copyright 2017 (c) Samsung Electronics Software, Inc.
>> + *
>> + * Based on the Exynos PRNG driver drivers/crypto/exynos-rng by
>> + * Krzysztof Kozłowski <krzk@xxxxxxxxxx>
>> + *
>> + * This program is free software; you can redistribute it and/or modify
>> + * it under the terms of the GNU General Public License as published by
>> + * the Free Software Foundation;
>> + *
>> + * This program is distributed in the hope that it will be useful,
>> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
>> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
>> + * GNU General Public License for more details.
>> + */
>
>
> Would you mind using the new SPDX tags documented in Thomas patch set
> [1] rather than this fine but longer legalese?
>
> And if you could spread the word to others in your team this would be very nice.
> See also this fine article posted by Mauro on the Samsung Open Source
> Group Blog [2]
> Thank you!
Cool! We've been using SPDX to tag RPM packages in Tizen for three years or
more. ;-)
>> +MODULE_LICENSE("GPL");
>
> Per module.h this means GPL2 or later. This is not matching your
> license above which does not state any version and therefore would
> mean GPL1 or later,
Thanks for spotting. My intention is GPL-2.0.
> Please make sure you use something and common rather than this and
> make sure your MODULE_LICENSE is consistent with the top level
> license.
>
> Was it this way in the code from Krzysztof?
Yes. And omap-rng, the second of my sources of reference, too. Actually,
the majority of modules still specify "GPL".
281 | "Dual */*"
2082 | "GPL v2"
6359 | "GPL"
---- +---------
8784 | Total
Fixing.
> [1] https://lkml.org/lkml/2017/12/4/934
> [2] https://blogs.s-osg.org/linux-kernel-license-practices-revisited-spdx/
--
Łukasz Stelmach
Samsung R&D Institute Poland
Samsung Electronics
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