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From: Mike Frysinger <vapier.adi@gmail.com>
Date: Wed, 16 Dec 2009 18:00:04 -0500
Message-ID: <8bd0f97a0912161500h1dd95f1cr7a978b67ab6278b4@mail.gmail.com>
Subject: Re: [spi-devel-general] [PATCH 1/2] spi: new SPI bus 
	lock/unlockfunctions
To: H Hartley Sweeten <hartleys@visionengravers.com>
Cc: spi-devel-general@lists.sourceforge.net,
       David Brownell <dbrownell@users.sourceforge.net>,
       Yi Li <yi.li@analog.com>, Andrew Morton <akpm@linux-foundation.org>,
       linux-kernel@vger.kernel.org
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On Wed, Dec 16, 2009 at 17:49, H Hartley Sweeten wrote:
> On Thursday, September 17, 2009 3:03 PM, Mike Frysinger wrote:
>>
>> From: Yi Li <yi.li@analog.com>
>>
>> For some MMC cards over SPI bus, it needs to lock the SPI bus for its own
>> use.  The SPI transfer must not be interrupted by other SPI devices that
>> share the SPI bus with SPI MMC card.
>>
>> This patch introduces 2 APIs for SPI bus locking operation.
>
> Has any additional work be done on this patchset?

nope

> It would be nice to finally have a solution that lets the mmc_spi driver
> work on a shared spi bus.

the latest patch is on the list for _anyone_ to contribute their fixes
to address the posted issues
-mike