linux-kernel - Re: MFD sharing support (v3, full)

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Date:	Mon, 28 Feb 2011 17:39:28 +0100
From:	Samuel Ortiz <sameo@...ux.intel.com>
To:	Andres Salomon <dilinger@...ued.net>
Cc:	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	linux-kernel@...r.kernel.org
Subject: Re: MFD sharing support (v3, full)

Hi Andres,

On Thu, Feb 17, 2011 at 07:07:07PM -0800, Andres Salomon wrote:
> Here's all of my third attempt at MFD cell sharing.  This includes all
> parts; some of the patches from v2 are being resent without changes.  I
> apologize for the noise, but since I screwed up the threading in the first 
> batch and people were having trouble finding some of the patches, I figured
> I'd resend everything together.  There are some changes in there as well;
> they've been marked in commit messages.
> 
> This whole set does the following things:
>  - make mfd_cell structs always accessible to platform devices
>  - adjust the mfd_cell API to (hopefully) be cleaner, replacing platform_data
> and driver_data with mfd_data
>  - add wrapper functions to access mfd cell and data fields
>  - adjust all mfd clients/drivers to use the new API
>  - add a reference counting wrapper for mfd_cell's enable/disable hooks
>  - add platform device sharing wrappers to allow mfd clients to create
>    new platform devices (at the same time as platform drivers are being
>    registered)
>  - update the cs5535-mfd driver (and clients) to make use of the new
>    sharing code
> 
> This effectively provides the ability for mfd clients to share a single 
> mfd_cell, and provide the framework for mfd-core be handle shared hardware
> resources.
Thanks a lot for that. I applied all patches now. I have some really minor
comment regarding the naming in patch #28, but we can fix that later.

Cheers,
Samuel.

-- 
Intel Open Source Technology Centre
http://oss.intel.com/
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