Re: [PATCH] Documentation/ABI: update cpuidle sysfs documentation

2018-01-22 Thread Sudeep Holla
On 22/01/18 16:09, Aishwarya Pant wrote: > Update cpuidle documentation using git logs and existing documentation > in Documentation/cpuidle/sysfs.txt. This might be useful for scripting > and tracking changes in the ABI. > > Signed-off-by: Aishwarya Pant > --- >

Re: [PATCH] doc: coresight: correct usage for '/dev/cpu_dma_latency'

2017-08-23 Thread Sudeep Holla
On 23/08/17 08:23, Leo Yan wrote: > In the coresight CPU debug document it suggests to use 'echo' command > to set latency request to /dev/cpu_dma_latency so can disable all CPU > idle states, but in fact this doesn't work. > > This is because when the command 'echo' exits, it releases the

Re: [PATCH v10 10/10] arm64: dts: juno: Add Coresight CPU debug nodes

2017-05-19 Thread Sudeep Holla
ave changed from r1 to r2. > > Cc: Sudeep Holla <sudeep.ho...@arm.com> > Cc: Leo Yan <leo@linaro.org> > Cc: Mathieu Poirier <mathieu.por...@linaro.org> > Cc: Liviu Dudau <liviu.du...@arm.com> > Signed-off-by: Suzuki K Poulose <suzuki.poul...@arm.com>

Re: [PATCH v8 5/7] coresight: add support for CPU debug module

2017-05-05 Thread Sudeep Holla
On 05/05/17 15:48, Mathieu Poirier wrote: > On Fri, May 05, 2017 at 02:55:17PM +0100, Sudeep Holla wrote: [...] >> >> Just curious as why this is not registered under coresight bus using >> coresight_register ? It would be good to group all the coresight devices >>

Re: [PATCH v8 5/7] coresight: add support for CPU debug module

2017-05-05 Thread Sudeep Holla
On 02/05/17 11:08, Leo Yan wrote: > Coresight includes debug module and usually the module connects with CPU > debug logic. ARMv8 architecture reference manual (ARM DDI 0487A.k) has > description for related info in "Part H: External Debug". > > Chapter H7 "The Sample-based Profiling Extension"

Re: [PATCH v5 6/9] coresight: add support for CPU debug module

2017-03-30 Thread Sudeep Holla
On 30/03/17 16:46, Mathieu Poirier wrote: > On 29 March 2017 at 19:59, Leo Yan wrote: >> On Wed, Mar 29, 2017 at 10:55:35AM -0600, Mathieu Poirier wrote: >> >> [...] >> So this is why add "idle_constraint" as a central place to control power domain for CPU debug

Re: [PATCH v5 6/9] coresight: add support for CPU debug module

2017-03-30 Thread Sudeep Holla
On 25/03/17 18:23, Leo Yan wrote: > Coresight includes debug module and usually the module connects with CPU > debug logic. ARMv8 architecture reference manual (ARM DDI 0487A.k) has > description for related info in "Part H: External Debug". > > Chapter H7 "The Sample-based Profiling Extension"

Re: [PATCH v5 6/9] coresight: add support for CPU debug module

2017-03-30 Thread Sudeep Holla
On 29/03/17 15:56, Mike Leach wrote: [...] > > No - EDPRCR_COREPURQ and EDPRCR_CORENPDRQ have different semantics and > purposes > > EDPRCR_COREPURQ is in the debug power domain an is tied to an external > debug request that should be an input to the external (to the PE) > system power