From: fthain@telegraphics.com.au
To: Brad Boyer <flar@allandria.com>
Cc: linux-m68k <linux-m68k@vger.kernel.org>
Subject: Re: initcall question
Date: Sat, 24 Oct 2009 03:30:11 +1100 (EST) [thread overview]
Message-ID: <alpine.LNX.2.00.0910240325040.26550@nippy.intranet> (raw)
In-Reply-To: <20091022192436.GA7969@cynthia.pants.nu>
On Thu, 22 Oct 2009, Brad Boyer wrote:
> On Fri, Oct 23, 2009 at 12:56:50AM +1100, fthain@telegraphics.com.au
> wrote:
> > If the platform devices are statically defined, they get no release
> > method which can result in the driver core carping, "Device 'scc.0'
> > does not have a release() function, it is broken and must be fixed",
> > and then dumping a backtrace.
> >
> > The alternative to statically defined devices is
> > platform_device_alloc(), which does provide a release method, but I
> > can't call it at arch_initcall time because the console_initcall has
> > already happened. And I can't use it at setup_arch() time (when the
> > boot info is parsed) because there's no kmalloc() yet.
> >
> > What to do? I don't want to export the bootinfo data to the pmac_zilog
> > driver for console initialisation. And I'd really like to avoid a
> > bunch of hard coded SCC base addresses.
> >
> > Any suggestions?
>
> Could you just define and set a release function that does nothing?
> That's kind of silly, but it seems like it should work. If it's static
> memory anyway, there isn't anything to free.
I guess it is a cheap enough. It does work.
Thanks,
Finn
> Brad Boyer
> flar@allandria.com
>
prev parent reply other threads:[~2009-10-23 16:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-22 13:56 initcall question fthain
2009-10-22 19:24 ` Brad Boyer
2009-10-23 16:30 ` fthain [this message]
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