linux-kernel - Re: [PATCH] [RFC v3] OF: OpenFirmware bindings for the mmc

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Message-ID: <fa686aa40806050945h5e61910flb63a8d00e1d2b0e8@mail.gmail.com>
Date:	Thu, 5 Jun 2008 10:45:17 -0600
From:	"Grant Likely" <grant.likely@...retlab.ca>
To:	"Anton Vorontsov" <avorontsov@...mvista.com>
Cc:	"Pierre Ossman" <drzeus-mmc@...eus.cx>,
	"David Brownell" <dbrownell@...rs.sourceforge.net>,
	"Jochen Friedrich" <jochen@...am.de>,
	"Segher Boessenkool" <segher@...nel.crashing.org>,
	"Gary Jennejohn" <garyj@...x.de>,
	"Guennadi Liakhovetski" <g.liakhovetski@....de>,
	linuxppc-dev@...abs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [RFC v3] OF: OpenFirmware bindings for the mmc_spi driver

On Thu, Jun 5, 2008 at 10:16 AM, Anton Vorontsov
<avorontsov@...mvista.com> wrote:
> Here is v3. I'm out of ideas if you won't like it. :-)
>
> v3:
> - Now these bindings are using bus notifiers chain, thus we adhere to the
>  spi bus.
>
>  By the way, this scheme (IMO) looks good for I2C devices which needs
>  platform_data extracted from the device tree too (Cc'ing Jochen).
>
> - Plus changed the OF bindings themselves, implemented voltage-range
>  property. (Pierre, please take a look at vddrange_to_ocrmask(). I
>  wonder if you would like this in the MMC core instead, with a kernel
>  doc, of course.)
>
> v2:
> - Bindings were adhered to the MMC_SPI driver. Withdrawn by Pierre Ossman.

Personally I think your v2 was better, and if I'm interpreting
Pierre's comments correctly I think his main point is that instead of
using the 'stock' probe/remove hooks for the spi mmc driver, the
driver should be mildly reworked to provide a common block of code
that can be used by both the OF and non-OF versions of the
probe/remove routines.  I also think that is the way to go.

Cheers,
g.


-- 
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.
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