linux-kernel - Re: [PATCH] pcmcia: Convert io_req_t to use kio_addr

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Message-ID: <20070914165233.GA3045@lixom.net>
Date:	Fri, 14 Sep 2007 11:52:33 -0500
From:	Olof Johansson <olof@...om.net>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, linux-pcmcia@...ts.infradead.org,
	hch@....de, linuxppc-dev@...abs.org
Subject: Re: [PATCH] pcmcia: Convert io_req_t to use kio_addr_t

On Fri, Sep 14, 2007 at 03:48:54AM -0700, Andrew Morton wrote:
> On Wed, 5 Sep 2007 09:27:43 -0500 Olof Johansson <olof@...om.net> wrote:
> 
> > Convert the io_req_t members to kio_addr_t, to allow use on machines with
> > more than 16 bits worth of IO port address space (ppc64 in this case,
> > but it applies to others as well).
> 
> drivers/usb/host/sl811_cs.c: In function 'sl811_cs_config':
> drivers/usb/host/sl811_cs.c:263: warning: format '%04x' expects type 'unsigned int', but argument 2 has type 'kio_addr_t'
> drivers/usb/host/sl811_cs.c:263: warning: format '%04x' expects type 'unsigned int', but argument 3 has type 'long unsigned int'
> 
> That's not just a cosmetic thing - the printk can print junk and if there's
> a %s in the control string after the %x's, printk() will crash.
> 
> I don't know how many instances of this are in the tree, but they'll all
> need to be found and fixed.

A crap, I completely forgot to check drivers/, and my default builds
don't contain many of them. My bad.

I'll do a full pass and review all references to the changed variables. So
far I've only noticed printk stuff, but I'm not done. There's a fair
amount lot of places where they're cast into ints instead of longs,
but that's a whole other ball of wax (and shouldn't cause regressions
like the printk ones could).


-Olof
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