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Date: Sun, 09 Sep 2012 15:04:48 +0200
From: Richard Weinberger <richard@nod.at>
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Subject: Re: [uml-devel] Emulate I2C subsystem/slaves
To: =?ISO-8859-15?Q?Peter_H=FCwe?= <PeterHuewe@gmx.de>
Cc: Jean Delvare <khali@linux-fr.org>, Geert Uytterhoeven <geert@linux-m68k.org>, user-mode-linux-devel@lists.sourceforge.net
List-ID: <user-mode-linux-devel.lists.sourceforge.net>

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Am 09.09.2012 14:52, schrieb Peter H=FCwe:
> Am Sonntag, 9. September 2012, 14:23:06 schrieb Richard Weinberger:=20
>> UML does not have IO_MEM but some sub-systems have "depend HAS_IOMEM" =
which
>> is often too coarse grained.
>> To deal with that I've introduced GENERIC_IO some time ago to support =
MTD
>> (and nandsim) on UML.
>> Maybe some parts of the I2C sub-system can also just depend on GENERIC=
_IO
>> instead of HAS_IOMEM.
>> An arch has GENERIC_IO=3Dy if it supports everything defined in
>> generic-asm/io.h which is more than enough for most stub drivers.
>=20
> The only thing which seems to be missing on UML is the ioremap function=
 family=20
> ;/

BTW: What about io_remap_pfn_range()?

Thanks,
//richard


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