linux-kernel - Re: [patch 7/8] b43 wireless needs <linux/io.h>

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Message-ID: <Pine.LNX.4.64.0710132027410.15951@anakin>
Date:	Sat, 13 Oct 2007 20:38:43 +0200 (CEST)
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Larry Finger <larry.finger@...inger.net>
cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Michael Buesch <mb@...sch.de>, linux-m68k@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org
Subject: Re: [patch 7/8] b43 wireless needs <linux/io.h>

On Sat, 13 Oct 2007, Larry Finger wrote:
> Geert Uytterhoeven wrote:
> > linux/drivers/net/wireless/b43/pio.h: In function 'b43_pio_write':
> > linux/drivers/net/wireless/b43/pio.h:89: error: implicit declaration of function 'mmiowb'
> >
> > linux/drivers/net/wireless/b43/phy.c: In function 'b43_phy_write':
> > linux/drivers/net/wireless/b43/phy.c:301: error: implicit declaration of function 'mmiowb'
> >
> > linuxdrivers/net/wireless/b43/sysfs.c: In function 'b43_attr_interfmode_store':
> > linuxdrivers/net/wireless/b43/sysfs.c:147: error: implicit declaration of function 'mmiowb'
> 
> From the distribution list for this E-mail, I presume this error occurred for m68k. Is this correct?

That's correct.

> If so, I will probably need to prepare a similar patch for b43legacy.

I had no problems compiling b43legacy on m68k, though. Probably
<linux/io.h> was included through some other include file.
Of course it's safer to always #include <linux/io.h> when using I/O.

During linking, I did get a bunch of `undefined reference to `dma_*''
errors, with both b43 and b43legacy (and a few other drivers). Probably
they need to depend on HAS_DMA.
I'll post separate patches for those after I've sorted them out.

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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