[PATCH RESEND] ARM: l2x0: add three special L210 aux control flags

Russell King - ARM Linux linux at arm.linux.org.uk
Mon Apr 4 16:36:40 PDT 2016


On Mon, Apr 04, 2016 at 06:29:26PM -0500, Josh Cartwright wrote:
> Similarly, we're waiting on feedback for:
> 
>   http://lkml.kernel.org/r/1456761716-10174-1-git-send-email-brad.mouring@ni.com
> 
> Also in the queue; also w/ Rob's Ack.  There was a change awhile back to
> unconditionally enable the power-management features of the PL310 which
> caused a noticeable performance degradation on our boards; placing the
> PM options behind a togglable DT property provides us an out.

For that one, I've been wondering why it's seemingly acceptable to
start throwing *errors* for *new* DT properties which weren't required
before.  Also, there's no DT documentation for the new properties,
which is a fundamental requirement - and Rob should not have given
his ack without there being a DT documentation patch.

Obviously, the kernel review process has broken on this one... or
I must remember this sneaky trick for getting new DT properties in
without the required documentation...

-- 
RMK's Patch system: http://www.arm.linux.org.uk/developer/patches/
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