* Re: intel_pmc_core does not initialize intel 8th gen PMC [not found] <1518426556.26505.2.camel@autistici.org> @ 2018-02-13 16:21 ` Andy Shevchenko 2018-02-13 18:00 ` Srinivas Pandruvada 0 siblings, 1 reply; 2+ messages in thread From: Andy Shevchenko @ 2018-02-13 16:21 UTC (permalink / raw) To: kitestramuort, Rajneesh Bhardwaj, Srinivas Pandruvada Cc: Linux Kernel Mailing List, Platform Driver +Cc: Authors and correct ML On Mon, Feb 12, 2018 at 11:09 AM, kitestramuort <kitestramuort@autistici.org> wrote: > don't know if this is intended. In 4.15.2 i have: AFAIU the driver now binds to the hardcoded value of a PA of the device. So, you still have driver enabled. Srinivas, is my understanding correct? > dmesg: > intel_pmc_core 0000:00:1f.2: enabling device (0000 -> 0002) > > lspci: > 00:1f.2 Memory controller: Intel Corporation Sunrise Point-LP PMC (rev > 21) > Subsystem: Intel Corporation Sunrise Point-LP PMC > Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- > ParErr- Stepping- SERR- FastB2B- DisINTx- > Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- > <TAbort- <MAbort- >SERR- <PERR- INTx- > Region 0: Memory at dff00000 (32-bit, non-prefetchable) > [size=16K] > Kernel driver in use: intel_pmc_core > in 4.16.0-rc1 this becomes > dmesg: > intel_pmc_core: initialized > > lspci: > 00:1f.2 Memory controller: Intel Corporation Sunrise Point-LP PMC (rev > 21) > Subsystem: Intel Corporation Sunrise Point-LP PMC > Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- > ParErr- Stepping- SERR- FastB2B- DisINTx- > Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- > <TAbort- <MAbort- >SERR- <PERR- INTx- > Region 0: Memory at dff00000 (32-bit, non-prefetchable) > [disabled] [size=16K] -- With Best Regards, Andy Shevchenko ^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: intel_pmc_core does not initialize intel 8th gen PMC 2018-02-13 16:21 ` intel_pmc_core does not initialize intel 8th gen PMC Andy Shevchenko @ 2018-02-13 18:00 ` Srinivas Pandruvada 0 siblings, 0 replies; 2+ messages in thread From: Srinivas Pandruvada @ 2018-02-13 18:00 UTC (permalink / raw) To: Andy Shevchenko, kitestramuort, Rajneesh Bhardwaj Cc: Linux Kernel Mailing List, Platform Driver On Tue, 2018-02-13 at 18:21 +0200, Andy Shevchenko wrote: > +Cc: Authors and correct ML > > On Mon, Feb 12, 2018 at 11:09 AM, kitestramuort > <kitestramuort@autistici.org> wrote: > > don't know if this is intended. In 4.15.2 i have: > > AFAIU the driver now binds to the hardcoded value of a PA of the > device. So, you still have driver enabled. > > Srinivas, is my understanding correct? Yes. This doesn't bind to PCI device. But the driver is still doing what it is supposed to do. You should still see /sys/kernel/debug/pmc_core/* as before. Thanks, Srinivas > > > dmesg: > > intel_pmc_core 0000:00:1f.2: enabling device (0000 -> 0002) > > > > lspci: > > 00:1f.2 Memory controller: Intel Corporation Sunrise Point-LP PMC > > (rev > > 21) > > Subsystem: Intel Corporation Sunrise Point-LP PMC > > Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- > > ParErr- Stepping- SERR- FastB2B- DisINTx- > > Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast > > >TAbort- > > <TAbort- <MAbort- >SERR- <PERR- INTx- > > Region 0: Memory at dff00000 (32-bit, non-prefetchable) > > [size=16K] > > Kernel driver in use: intel_pmc_core > > in 4.16.0-rc1 this becomes > > dmesg: > > intel_pmc_core: initialized > > > > lspci: > > 00:1f.2 Memory controller: Intel Corporation Sunrise Point-LP PMC > > (rev > > 21) > > Subsystem: Intel Corporation Sunrise Point-LP PMC > > Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- > > ParErr- Stepping- SERR- FastB2B- DisINTx- > > Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast > > >TAbort- > > <TAbort- <MAbort- >SERR- <PERR- INTx- > > Region 0: Memory at dff00000 (32-bit, non-prefetchable) > > [disabled] [size=16K] > > > ^ permalink raw reply [flat|nested] 2+ messages in thread
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2018-02-13 16:21 ` intel_pmc_core does not initialize intel 8th gen PMC Andy Shevchenko
2018-02-13 18:00 ` Srinivas Pandruvada
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