* Alternative License for Parts of MTD?
@ 2012-04-13 14:15 Sebastian Huber
2012-04-13 14:44 ` Richard Weinberger
2012-04-13 15:28 ` Artem Bityutskiy
0 siblings, 2 replies; 5+ messages in thread
From: Sebastian Huber @ 2012-04-13 14:15 UTC (permalink / raw)
To: Linux MTD
Hello,
I work with the real-time operating system RTEMS (http://www.rtems.com). The
license of this system is GPL with an exception that allows static linking
without restrictions:
http://www.rtems.com/license/LICENSE
This is very similar to the eCos license:
http://ecos.sourceware.org/license-overview.html
RTEMS has currently no framework for flash devices. It would be nice if we can
use parts of the MTD system, e.g. the header files and device independent
support routines like "drivers/mtd/nand/nand_base.c". Is it possible to
release parts of the MTD code under the RTEMS or eCos license, or would you
categorically refuse this?
Have a nice day!
--
Sebastian Huber, embedded brains GmbH
Address : Obere Lagerstr. 30, D-82178 Puchheim, Germany
Phone : +49 89 18 90 80 79-6
Fax : +49 89 18 90 80 79-9
E-Mail : sebastian.huber@embedded-brains.de
PGP : Public key available on request.
Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: Alternative License for Parts of MTD?
2012-04-13 14:15 Alternative License for Parts of MTD? Sebastian Huber
@ 2012-04-13 14:44 ` Richard Weinberger
2012-04-13 14:50 ` Sebastian Huber
2012-04-13 15:28 ` Artem Bityutskiy
1 sibling, 1 reply; 5+ messages in thread
From: Richard Weinberger @ 2012-04-13 14:44 UTC (permalink / raw)
To: linux-mtd
Am 13.04.2012 16:15, schrieb Sebastian Huber:
> Hello,
>
> I work with the real-time operating system RTEMS (http://www.rtems.com).
> The license of this system is GPL with an exception that allows static
> linking without restrictions:
>
> http://www.rtems.com/license/LICENSE
>
> This is very similar to the eCos license:
>
> http://ecos.sourceware.org/license-overview.html
>
I'd contact a lawyer.
Anyway, your GPL-with-an-exception license looks more like LGPL...
Thanks,
//richard
--
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Registergericht: Amtsgericht Freiburg i. Br., HRB 700 806;
StNr. 87007/07777; Ust-Id Nr.: DE252739476
Geschäftsführer: Heinz Egger, Thomas Gleixner
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: Alternative License for Parts of MTD?
2012-04-13 14:44 ` Richard Weinberger
@ 2012-04-13 14:50 ` Sebastian Huber
0 siblings, 0 replies; 5+ messages in thread
From: Sebastian Huber @ 2012-04-13 14:50 UTC (permalink / raw)
To: linux-mtd
Hello Richard,
thanks for the feedback.
On 04/13/2012 04:44 PM, Richard Weinberger wrote:
> Am 13.04.2012 16:15, schrieb Sebastian Huber:
>> Hello,
>>
>> I work with the real-time operating system RTEMS (http://www.rtems.com).
>> The license of this system is GPL with an exception that allows static
>> linking without restrictions:
>>
>> http://www.rtems.com/license/LICENSE
>>
>> This is very similar to the eCos license:
>>
>> http://ecos.sourceware.org/license-overview.html
>>
>
> I'd contact a lawyer.
> Anyway, your GPL-with-an-exception license looks more like LGPL...
Please have a look at:
http://sources.redhat.com/ml/ecos-discuss/2002-05/msg00206.html
--
Sebastian Huber, embedded brains GmbH
Address : Obere Lagerstr. 30, D-82178 Puchheim, Germany
Phone : +49 89 18 90 80 79-6
Fax : +49 89 18 90 80 79-9
E-Mail : sebastian.huber@embedded-brains.de
PGP : Public key available on request.
Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: Alternative License for Parts of MTD?
2012-04-13 14:15 Alternative License for Parts of MTD? Sebastian Huber
2012-04-13 14:44 ` Richard Weinberger
@ 2012-04-13 15:28 ` Artem Bityutskiy
2012-04-16 13:32 ` Atlant Schmidt
1 sibling, 1 reply; 5+ messages in thread
From: Artem Bityutskiy @ 2012-04-13 15:28 UTC (permalink / raw)
To: Sebastian Huber; +Cc: Linux MTD
[-- Attachment #1: Type: text/plain, Size: 1116 bytes --]
On Fri, 2012-04-13 at 16:15 +0200, Sebastian Huber wrote:
> Hello,
>
> I work with the real-time operating system RTEMS (http://www.rtems.com). The
> license of this system is GPL with an exception that allows static linking
> without restrictions:
>
> http://www.rtems.com/license/LICENSE
>
> This is very similar to the eCos license:
>
> http://ecos.sourceware.org/license-overview.html
>
> RTEMS has currently no framework for flash devices. It would be nice if we can
> use parts of the MTD system, e.g. the header files and device independent
> support routines like "drivers/mtd/nand/nand_base.c". Is it possible to
> release parts of the MTD code under the RTEMS or eCos license, or would you
> categorically refuse this?
Irrespectively of what random people in the mailing list think, this is
a question to layers. And I guess you'd need to have permission of all
copyright holders, which I guess all people who contributed, and this is
practically impossible to do. But I do not know for sure whether this is
correct or not :-)
--
Best Regards,
Artem Bityutskiy
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^ permalink raw reply [flat|nested] 5+ messages in thread
* RE: Alternative License for Parts of MTD?
2012-04-13 15:28 ` Artem Bityutskiy
@ 2012-04-16 13:32 ` Atlant Schmidt
0 siblings, 0 replies; 5+ messages in thread
From: Atlant Schmidt @ 2012-04-16 13:32 UTC (permalink / raw)
To: 'dedekind1@gmail.com', Sebastian Huber; +Cc: Linux MTD
Artem, et al.:
> Irrespectively of what random people in the mailing list think, this is
> a question to layers. And I guess you'd need to have permission of all
> copyright holders, which I guess all people who contributed, and this is
> practically impossible to do. But I do not know for sure whether this is
> correct or not :-)
Yes, the current opinion seems to be that to change
the licensing terms for a given module from restrictive
terms (such as (L)GPL) to less-restrictive terms, one
needs the assent of anyone who ever contributed to that
module. That's why conversion to a more-restrictive
license such as (l)GPL tends to be a "sticky" (one-way)
conversion.
The best alternative is to re-write the functionality
in a "clean room" environment and then release it
under your choice of license terms. One can certainly
emulate the design of the existing code without
violating any copyright. Patents are, of course,
another (and separate) issue; the existing design
may incorporate patented methods which one can't
necessarily emulate freely.
Atlant
(IANAL, etc.)
-----Original Message-----
From: linux-mtd-bounces@lists.infradead.org [mailto:linux-mtd-bounces@lists.infradead.org] On Behalf Of Artem Bityutskiy
Sent: Friday, April 13, 2012 11:29
To: Sebastian Huber
Cc: Linux MTD
Subject: Re: Alternative License for Parts of MTD?
On Fri, 2012-04-13 at 16:15 +0200, Sebastian Huber wrote:
> Hello,
>
> I work with the real-time operating system RTEMS (http://www.rtems.com). The
> license of this system is GPL with an exception that allows static linking
> without restrictions:
>
> http://www.rtems.com/license/LICENSE
>
> This is very similar to the eCos license:
>
> http://ecos.sourceware.org/license-overview.html
>
> RTEMS has currently no framework for flash devices. It would be nice if we can
> use parts of the MTD system, e.g. the header files and device independent
> support routines like "drivers/mtd/nand/nand_base.c". Is it possible to
> release parts of the MTD code under the RTEMS or eCos license, or would you
> categorically refuse this?
Irrespectively of what random people in the mailing list think, this is
a question to layers. And I guess you'd need to have permission of all
copyright holders, which I guess all people who contributed, and this is
practically impossible to do. But I do not know for sure whether this is
correct or not :-)
--
Best Regards,
Artem Bityutskiy
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2012-04-13 14:15 Alternative License for Parts of MTD? Sebastian Huber
2012-04-13 14:44 ` Richard Weinberger
2012-04-13 14:50 ` Sebastian Huber
2012-04-13 15:28 ` Artem Bityutskiy
2012-04-16 13:32 ` Atlant Schmidt
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