linux-kernel - Re: [PATCH/RFC] spi: Change modalias from a pointer to a character array

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Message-ID: <fa686aa40805121520y979ee37ga83221b74b35afe1@mail.gmail.com>
Date:	Mon, 12 May 2008 16:20:17 -0600
From:	"Grant Likely" <grant.likely@...retlab.ca>
To:	"Andrew Morton" <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org,
	spi-devel-general@...ts.sourceforge.net,
	dbrownell@...rs.sourceforge.net
Subject: Re: [PATCH/RFC] spi: Change modalias from a pointer to a character array

On Mon, May 12, 2008 at 4:18 PM, Andrew Morton
<akpm@...ux-foundation.org> wrote:
>
> On Fri, 09 May 2008 11:32:28 -0600
>  Grant Likely <grant.likely@...retlab.ca> wrote:
>
>  > From: Grant Likely <grant.likely@...retlab.ca>
>  >
>  > Currently, 'modalias' in the spi_device structure is a 'const char *'.
>  > The spi_new_device() function fills in the modalias value from a passed
>  > in spi_board_info data block.  Since it is a pointer copy, the new
>  > spi_device remains dependent on the spi_board_info structure after the
>  > new spi_device is registered (no other fields in spi_device directly
>  > depend on the spi_board_info structure; all of the other data is copied).
>  >
<snip>
>
>  I'm not really able to work out if this is a needed-in-2.6.26 thing.  I
>  assumed "not".

That's correct.  I'm also not even 100% sure that this is the best
approach.  I'm waiting/hoping for feedback from David.

Cheers,
g.

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