linux-kernel - Re: [PATCH v3 14/14] nubus: Add support for the driver model

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Date:   Tue, 5 Dec 2017 09:25:13 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Finn Thain <fthain@...egraphics.com.au>
Cc:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        linux-m68k@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 14/14] nubus: Add support for the driver model

On Tue, Dec 05, 2017 at 01:20:02AM -0500, Finn Thain wrote:
> This patch brings basic support for the Linux Driver Model to the
> NuBus subsystem.
> 
> For flexibility, the matching of boards with drivers is left up to the
> drivers. This is also the approach taken by NetBSD. A board may have
> many functions, and drivers may have to consider many functional
> resources and board resources in order to match a device.
> 
> This implementation does not bind drivers to resources (nor does it bind
> many drivers to the same board). Apple's NuBus declaration ROM design
> is flexible enough to allow that, but I don't see a need to support it
> as we don't use the "slot zero" resources (in the main logic board ROM).
> 
> Eliminate the global nubus_boards linked list by rewriting the procfs
> board iterator around bus_for_each_dev(). Hence the nubus device refcount
> can be used to determine the lifespan of board objects.
> 
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Tested-by: Stan Johnson <userm57@...oo.com>
> Signed-off-by: Finn Thain <fthain@...egraphics.com.au>

Nice job:

Reviewed-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>