Messages in this thread | | | Subject | Re: [RFC PATCH] coresight: dynamic-replicator: Fix handling of multiple connections | From | Suzuki K Poulose <> | Date | Tue, 7 Apr 2020 14:08:07 +0100 |
| |
On 04/07/2020 12:29 PM, Sai Prakash Ranjan wrote: > Hi Suzuki, > > Thanks for looking into this issue. > > On 2020-04-07 15:54, Suzuki K Poulose wrote: >> On 04/07/2020 10:46 AM, Sai Prakash Ranjan wrote: >> >> There seems to be two replicators back to back here. What is connected >> to the other output of both of them ? Are there any TPIUs ? What happens >> if you choose a sink on the other end of "swao_replicator" (ETB ?) >> > > The other outport of swao replicator is connected to EUD which is a > QCOM specific HW which can be used as a sink like USB. > And the other outport of other replicator(replicator_out) is connected to > TPIU. > >> After boot, what do the idfilter registers read for both the >> replicators ? >> > > Added some prints in replicator_probe. > > replicator probe ret=-517 devname=6046000.replicator idfilter0=0x0 > idfilter1=0x0 > replicator probe ret=0 devname=6b06000.replicator idfilter0=0xff > idfilter1=0xff > replicator probe ret=0 devname=6046000.replicator idfilter0=0xff > idfilter1=0xff
Curious to see how the idfilterX is set to 0: if that is never used. Or if the user doesn't reset it back to 0xff.
Does your test ever touch EUD (enable the port for EUD at swao-replicator) ? What are the values before you run your test ?
Suzuki
| |