[PATCH 01/12] coresight replicator: Cleanup programmable replicator naming

[Rob Herring]

On Tue, Jun 13, 2017 at 10:55:28AM -0600, Mathieu Poirier wrote:
> On Mon, Jun 12, 2017 at 03:36:40PM +0100, Suzuki K Poulose wrote:
> > The Linux coresight drivers define the programmable ATB replicator as
> > Qualcom replicator, while this is designed by ARM. This can cause confusion
> > to a user selecting the driver. Cleanup all references to make it
> >  explicitly clear. This patch :
> > 
> >  1) Adds a new compatible string for the same, retaining the old one for
> >     compatibility.
> >  2) Changes the Kconfig symbol (since this is not part of any defconfigs)
> > 	 CORESIGHT_QCOM_REPLICATOR => CORESIGHT_DYNAMIC_REPLICATOR
> >  3) Improves the help message in the Kconfig.
> >  4) Changes the name of the driver :
> > 	coresight-replicator-qcom => coresight-dynamic-replicator
> > 
> > Cc: Pratik Patel <pratikp at codeaurora.org>
> > Cc: Ivan T. Ivanov <ivan.ivanov at linaro.org>
> > Cc: Mathieu Poirier <mathieu.poirier at linaro.org>
> > Cc: devicetree at vger.kernel.org
> > Cc: Rob Herring <robh+dt at kernel.org>
> > Cc: Mark Rutland <mark.rutland at arm.com>
> > Signed-off-by: Suzuki K Poulose <suzuki.poulose at arm.com>
> 
> Hi Suzuki,
> 
> > ---
> >  Documentation/devicetree/bindings/arm/coresight.txt     |  4 +++-
> >  drivers/hwtracing/coresight/Kconfig                     | 10 +++++-----
> >  drivers/hwtracing/coresight/Makefile                    |  2 +-
> >  drivers/hwtracing/coresight/coresight-replicator-qcom.c |  2 +-
> >  4 files changed, 10 insertions(+), 8 deletions(-)
> > 
> > diff --git a/Documentation/devicetree/bindings/arm/coresight.txt b/Documentation/devicetree/bindings/arm/coresight.txt
> > index fcbae6a..f77329f 100644
> > --- a/Documentation/devicetree/bindings/arm/coresight.txt
> > +++ b/Documentation/devicetree/bindings/arm/coresight.txt
> > @@ -34,7 +34,9 @@ its hardware characteristcs.
> >  		- Embedded Trace Macrocell (version 4.x):
> >  			"arm,coresight-etm4x", "arm,primecell";
> >  
> > -		- Qualcomm Configurable Replicator (version 1.x):
> > +		- Coresight programmable Replicator (version 1.x):
> > +			"arm,coresight-dynamic-replicator", "arm,primecell";
> > +				OR
> >  			"qcom,coresight-replicator1x", "arm,primecell";
> 
> Rob, what's your view on keeping the old binding around?  We could simply change
> the two occurences we find in the DTs (Juno and 410c) to the new name and be
> done with the old one.

Juno uses the Qcom string? We should keep the old string. You can switch 
the dts files, but the driver should support the old name.

Acked-by: Rob Herring <robh at kernel.org>