linux-kernel - Re: [PATCH 2/2 v2] of/platform: Use platform

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Message-ID: <CAPybu_0xjwExa4=6soyF=Uad6yxiFaCnO32FY5h7YLfg-SMovg@mail.gmail.com>
Date:	Thu, 4 Jun 2015 10:48:37 +0200
From:	Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
To:	Grant Likely <grant.likely@...aro.org>
Cc:	Rob Herring <robherring2@...il.com>,
	Rob Herring <robh+dt@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Vivek Goyal <vgoyal@...hat.com>,
	Jakub Sitnicki <jsitnicki@...il.com>,
	Mike Travis <travis@....com>,
	Jiang Liu <jiang.liu@...ux.intel.com>,
	Thierry Reding <treding@...dia.com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2 v2] of/platform: Use platform_device interface

Hello Grant

On Thu, Jun 4, 2015 at 7:25 AM, Grant Likely <grant.likely@...aro.org> wrote:

>
> I think I tried that too and then ran in to a problem where drivers will
> fail if a different device 'owns' the resource.
>
> For example, if device-a and device-b have overlapping regions, device-a
> gets registered first and claims the region. device-b tries to claim the
> region, fails, but is allowed to continue anyway. When driver-b tries to
> bind to device-b, and does a request_resource(), it will fail because
> device-a already owns it. I don't have a good solution for that other
> than to completely disable insert_resource() when using devicetree.

If someone is following this conversation I have already replied in

[PATCH v5 2/4] base/platform: Continue on insert_resource() error

Message-ID: <CAPybu_3gYAZTHHYD7y2MdKFJBwDVyb5a9fwQqEMc+0xmKSTpKg@...l.gmail.com>

Regards!

>
> g.



-- 
Ricardo Ribalda
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