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SubjectRe: [PATCH] tpm: TCG_ATMEL should depend on HAS_IOPORT
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On Monday 08 August 2011, Geert Uytterhoeven wrote:
> drivers/char/tpm/tpm_atmel.h: In function ‘atmel_get_base_addr’:
> drivers/char/tpm/tpm_atmel.h:129: error: implicit declaration of function ‘ioport_map’
> drivers/char/tpm/tpm_atmel.h:129: warning: return makes pointer from integer without a cast
>
> The code in tpm_atmel.h supports PPC64 (using the device tree and ioremap())
> and "anything else" (using ioport_map()). However, ioportmap() is only
> available on platforms that set HAS_IOPORT.
>
> Although PC64 seems to have HAS_IOPORT, a "depends on HAS_IOPORT" should work,
> but I think it's better to expose the special PPC64 handling explicit using
> "depends on PPC64 || HAS_IOPORT".
>
> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>

Acked-by: Arnd Bergmann <arnd@arndb.de>

FWIW, I've now got a first prototype of the HAS_IOPORT rework in
http://git.kernel.org/?p=linux/kernel/git/arm/linux-arm-soc.git;a=shortlog;h=refs/heads/tmp/randconfig3
along with a lot of bug fixes for ARM. Feel free to play with that on
other architectures.

Since your patch adds another use of HAS_IOPORT, I will have to rename
that as well to HAS_IOPORT_MAP as I do for all the other uses.

Arnd
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