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Re: [PATCH] Suppress compiler warnings

To: Thomas Koeller <>
Subject: Re: [PATCH] Suppress compiler warnings
From: Geert Uytterhoeven <>
Date: Mon, 28 Aug 2006 11:19:58 +0200 (CEST)
Cc: Linux/MIPS Development <>, Ralf Baechle <>
In-reply-to: <>
Original-recipient: rfc822;
References: <> <> <>
On Sun, 27 Aug 2006, Thomas Koeller wrote:
> On Sunday 27 August 2006 14:12, Geert Uytterhoeven wrote:
> > On Sun, 27 Aug 2006 wrote:
> > > The excite platform exports hardware resources for device drivers to use.
> > > Any driver wanting to use these resources will look up them by their
> > > names. Since these resources are declared to have static linkage, but are
> > > not used in the source file defining them, the compiler used to emit an
> > > 'unused' warning, which this patch suppresses.
> >
> > How can a driver look them up, if they are not linked in in some structure?
> It uses the standard platform device/driver mechanism: the platform registers
> a platform device (to which the resources are attached) with the platform bus.
> The driver registers a platform driver with the platform bus. The bus matches
> drivers and devices and calls the probe routine of any matching driver, at
> which point the driver can look up the resources using 
> platform_get_resource_byname().

I know that.

I mean, since they are static, no one uses them yet. So each possible driver
that will want to use them should add some code to this single source file?



Geert Uytterhoeven -- There's lots of Linux beyond ia32 --

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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