Re: [PATCH net] bnxt_en: enable PTM function

On 06.08.2026 21:35, Michael Chan wrote:
> On Thu, Aug 6, 2026 at 1:22 PM Vadim Fedorenko
> <[email protected]> wrote:
>>
>> The patch mentioned in Fixes missed one main point of implementing
>> proper PTM support. To make it fully operational it has to be explicitly
>> enabled. Add missing call in probe callback and disable it in teardown
>> callback.
> 
> We were actually discussing this internally just a few weeks ago.  I
> think the FW always enables it and that's why pci_enable_ptm() is not
> strictly required.  I'll let Pavan comment on this further.  Thanks.

In my test even though firmware was acting as requestor, pcie_ptm_enabled()
returns false and disables setup of getcrosststamp callback. This happens
because kernel doesn't know that PTM is enabled.