linux-kernel - Re: request_mem_region() for noPCI devices

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Message-ID: <CAMuHMdUbTVMpYGrweXjXQrhd4U6yyGGRHmzZHBL2v_GbHRHF6w@mail.gmail.com>
Date:	Fri, 18 Jan 2013 17:04:36 +0100
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Michal Simek <monstr@...str.eu>
Cc:	LKML <linux-kernel@...r.kernel.org>, linux-arch@...r.kernel.org
Subject: Re: request_mem_region() for noPCI devices

On Fri, Jan 18, 2013 at 3:46 PM, Michal Simek <monstr@...str.eu> wrote:
> just want to check with you usage of request_mem_region for noPCI devices.
> kernel/resource.c suggests that it should be used just for PCI iomem
> (iomem_resource uses name PCI mem).
>
> If I grep architectures I see several usage for noPCI devices.
>
> Does it mean that request_mem_region should be used for all devices
> which request io memory? Or just for PCI iomem?

It's meant for all types of memory mapped I/O.

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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