Re: [PATCH] of: address: Don't fail a lookup just because a node hasno reg property

From: Linus Walleij
Date: Thu Jul 05 2012 - 10:38:00 EST

On Thu, Jul 5, 2012 at 4:32 PM, Lee Jones <lee.jones@xxxxxxxxxx> wrote:

> Sometimes it doesn't make any sense for a node to have an address.
> In this case device lookup will always be unsuccessful because we
> currently assume every node will have a reg property. This patch
> changes the semantics so that the resource address and the lookup
> address will only be compared if one exists.
> Things like AUXDATA() rely on of_dev_lookup to return the lookup
> entry of a particular device in order to do things like apply
> platform_data to a device. However, this is currently broken for
> nodes which do not have a reg property, meaning that platform_data
> can not be passed in those cases.
> Acked-by: Arnd Bergmann <arnd@xxxxxxxx>
> Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>

I sure see the problem!
Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxx>

Linus Walleij
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