Thread (3 messages) 3 messages, 2 authors, 2014-07-03

Re: [PATCH 11/16] ARM: mvebu: dts: Add CA9 MPcore SoC Controller node

From: Gregory CLEMENT <hidden>
Date: 2014-07-03 12:51:44
Also in: linux-arm-kernel, linux-pm

Hi Thomas,

On Fri, 27 Jun 2014 15:22:52 +0200, Gregory CLEMENT wrote:
quoted
The CA9 MPcore SoC Control block allows to do some configuration that
the SoC could use for a specific use case. In most cases the defaults
case is enough. However there is few exception: for cpuidle we need to
use the CA9 MPcore Reset Control register.
I'd reword this to something like:

"""
The CA9 MPcore SoC Control block is a set of registers that allows to
configure certain internal aspects of the core blocks of the SoC
(Cortex-A9, L2 cache controller, etc.). In most cases, the default
values are fine so they aren't many reasons to touch those registers,
but there is one exception: to support cpuidle on Armada 38x, we need
to modify the value of the CA9 MPcore Reset Control register.

Therefore, this commit adds a new Device Tree binding for this hardware
block, and uses this new binding for the Armada 38x Device Tree file.

"""
[...]
quoted
+- reg: should be register base and length as documented in the
should be *the* register base and length
			reg = <0x21010 0x1c>;
With those fixed:

Reviewed-by: Thomas Petazzoni <redacted>

I will apply your change.

Thanks,

Gregory



-- 
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com
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