[PATCH] coresight-etm3x: Add Qualcomm PFT v1.1 peripheral ID

Ivan T. Ivanov ivan.ivanov at linaro.org
Thu May 21 08:24:25 PDT 2015


On Thu, 2015-05-21 at 08:10 -0600, Mathieu Poirier wrote:
> On 20 May 2015 at 09:02, Ivan T. Ivanov ivanov at linaro.org> wrote:
> > Add Qualcomm's PFT v1.1 peripheral ID to supported devices.
> > This device could be found at least in MSM8974 and APQ8064
> > chipsets.
> > 
> > Signed-off-by: Ivan T. Ivanov ivanov at linaro.org>
> > ---
> >  drivers/hwtracing/coresight/coresight-etm3x.c | 5 +++++
> >  1 file changed, 5 insertions(+)
> > 
> > diff --git a/drivers/hwtracing/coresight/coresight-etm3x.c 
> > b/drivers/hwtracing/coresight/coresight-etm3x.c
> > index 018a00f..e13520f 100644
> > --- a/drivers/hwtracing/coresight/coresight-etm3x.c
> > +++ b/drivers/hwtracing/coresight/coresight-etm3x.c
> > @@ -1912,6 +1912,11 @@ static struct amba_id etm_ids[] = {
> >                 .mask   = 0x0003ffff,
> >                 .data   = "PTM 1.1",
> >         },
> > +       {       /* PFT 1.1 Qualcomm */
> > +               .id     = 0x0003006f,
> > +               .mask   = 0x0003ffff,
> > +               .data   = "PFT 1.1",
> > +       },
> >         { 0, 0},
> >  };
> 
> I'm essentially good with that.  On the flip side "PFT" is the format
> of the output generated by the tracer.  What is important to identify
> is the type of tracer fitted to the SoC, either "ETM" or "PTM".

I was unable to find PTM 1.1 in the ARM documentation and PFT
v1.1 is supported only by PTM, if understand it correctly.

Regards,
Ivan



More information about the linux-arm-kernel mailing list