From: Rob Herring <robherring2@gmail.com>
To: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
Grant Likely <grant.likely@secretlab.ca>,
devicetree-discuss@lists.ozlabs.org
Subject: Re: HOWTO Undo/Revert of_platform_populate?
Date: Thu, 07 Mar 2013 18:07:53 -0600 [thread overview]
Message-ID: <51392BD9.4010209@gmail.com> (raw)
In-Reply-To: <CAPybu_3LfWLYLSn52dgFDuBTASLvQ0_XWsywH=Avpma+4s921g@mail.gmail.com>
On 03/07/2013 04:32 AM, Ricardo Ribalda Delgado wrote:
> Hi
>
> I have an FPGA attached to the pci bus. The FPGA has an internal bus
> with multiple cores that are already supported in the kernel.
>
> I have made a driver that populates those cores using a user provided
> device tree. I use the function of_platform_populate for that.
>
> All this is working fine, but now I need a method to undo what
> of_platform_populate does when the fpga is reprogrammed.
>
> I haven't found any function that does this in the api.
>
> Before implementing my own I would like to know if am I missing something?
It's not possible in the current kernel. You need DT overlay support
that was posted recently.
Rob
next prev parent reply other threads:[~2013-03-08 0:07 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-07 10:32 HOWTO Undo/Revert of_platform_populate? Ricardo Ribalda Delgado
2013-03-08 0:07 ` Rob Herring [this message]
[not found] ` <51392BD9.4010209-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2013-04-15 13:40 ` Grant Likely
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