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Re: [PATCH RESEND 0/9] OLPC: create a generic OLPC EC driver

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On Wed, 18 Jul 2012, Andres Salomon wrote:
> The OLPC EC (Embedded Controller) code that is currently upstream is
> x86-only, originally written for the XO-1.  Since then, we've had the
> XO-1.5 (also x86), and XO-1.75 (arm-based) enter mass production.  The
> 1.75 uses a vastly different EC protocol, and future hardware revisions
> are likely to change it even further.
> 
> However, the drivers do share quite a bit of code, so it makes sense to
> have a platform-agnostic driver that calls into platform-specific hooks
> for each XO's EC driver.  This is the first stab and creating such a
> beast (with further patches pending).  Aside from the lack of code
> duplication, this is helpful for fixing bugs in one place (for example,
> we fixed an EC suspend/resume bug in 1.75 that I've just seen happen on
> 1.5 without these patches.  With these patches, the problem goes away).
> 
> These patches are against Linus's current HEAD; let me know if they
> don't apply somewhere, and I'll happily redo them against the -next
> tree.  I'm assuming that these changes (which touch places like x86,
> wireless, and staging) should go through either the x86 tree, or
> through akpm's tree.
> 
> Alternatively, if the reviews are positive and I can get SOBs from the
> relevant maintainers, I can set up a platform-olpc tree somewhere and
> request a pull from Linus.

Either via akpm or a separate tree are fine with me.

Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
 
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