[PATCH 4/7] spi: pl022: attempt to get sspclk by name

On Wed, Feb 12, 2014 at 04:12:06PM +0000, Mark Rutland wrote:

I thought one of the issues before dt was that clocks were in a global
namespace. Mark's reply implies that's not necessarily the case, so I'll
take a tour through clkdev to educate myself.

There's both a global namespace and a device local namespace, the most
exact match is used - see the comment on clk_find().  Remember that in
the past clock implementations didn't have to use clkdev at all so the
implementations varied a lot (which is half the problem with drivers
now).  Lots of implementations just used global clock names and didn't
pay any attention to dev.
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