linux-kernel - Re: [PATCH] i2c: I2C_ELEKTOR should depend on HAS

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Message-ID: <CAMuHMdVX_p4Q1E+-Q1HOjUO-Zhbsv_uji2qqGZipii=qY0hHWw@mail.gmail.com>
Date:	Mon, 29 Aug 2011 09:48:17 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Jean Delvare <khali@...ux-fr.org>
Cc:	Hans Berglund <hb@...cetec.no>, Jonas Bonn <jonas@...thpole.se>,
	Arnd Bergmann <arnd@...db.de>, linux-i2c@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] i2c: I2C_ELEKTOR should depend on HAS_IOPORT

On Wed, Aug 17, 2011 at 11:39, Jean Delvare <khali@...ux-fr.org> wrote:
> On Tue, 16 Aug 2011 21:14:42 +0200, Geert Uytterhoeven wrote:
>> On Tue, Aug 16, 2011 at 19:50, Jean Delvare <khali@...ux-fr.org> wrote:
>> > On Mon,  8 Aug 2011 13:20:46 +0200, Geert Uytterhoeven wrote:
>> >> drivers/i2c/busses/i2c-elektor.c: In function ‘pcf_isa_init’:
>> >> drivers/i2c/busses/i2c-elektor.c:153: error: implicit declaration of function ‘ioport_map’
>> >> drivers/i2c/busses/i2c-elektor.c:153: warning: assignment makes pointer from integer without a cast
>> >> drivers/i2c/busses/i2c-elektor.c: In function ‘elektor_probe’:
>> >> drivers/i2c/busses/i2c-elektor.c:287: error: implicit declaration of function ‘ioport_unmap’
>> >>
>> >> Since commit 82ed223c264def2b15ee4bec2e8c3048092ceb5f ("iomap: make IOPORT/PCI
>> >> mapping functions conditional"), ioport_map() is only available on platforms
>> >> that set HAS_IOPORT.
>> >>
>> >> Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
>> >> ---
>> >>  drivers/i2c/busses/Kconfig |    2 +-
>> >>  1 files changed, 1 insertions(+), 1 deletions(-)
>> >>
>> >> diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
>> >> index 646068e..d1fc5cf 100644
>> >> --- a/drivers/i2c/busses/Kconfig
>> >> +++ b/drivers/i2c/busses/Kconfig
>> >> @@ -789,7 +789,7 @@ config I2C_ACORN
>> >>
>> >>  config I2C_ELEKTOR
>> >>       tristate "Elektor ISA card"
>> >> -     depends on ISA && BROKEN_ON_SMP
>> >> +     depends on ISA && HAS_IOPORT && BROKEN_ON_SMP
>> >>       select I2C_ALGOPCF
>> >>       help
>> >>         This supports the PCF8584 ISA bus I2C adapter.  Say Y if you own
>> >
>> > How can ISA be set if HAS_IOPORT is not? This shouldn't be allowed.
>>
>> It's always been like that. With CONFIG_ISA, we have inb() and friends. But not
>> ioport_map(), which was introduced more recently.
>
> OK, fair enough. Patch applied, thanks.

Any chance it will finds its way in 3.1, since it's still breaking
m68k allmodconfig
builds.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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