From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Warren <swarren@wwwdotorg.org>
Date: Mon, 18 Jul 2016 10:23:37 -0600
Subject: [U-Boot] [PATCH 1/4] dm: clk: Add a way to find a clock by its
	driver
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On 07/17/2016 03:23 PM, Simon Glass wrote:
> Some SoCs have a single clock device. Provide a way to find it given its
> driver name. This is handled by the linker so will fail if the name is not
> found, avoiding strange errors when names change and do not match. It is
> also faster than a string comparison.

The code looks plausible, but the commit subject and description imply 
this has something to do with clocks, whereas it doesn't; it seems to be 
a generic/core DM function.