> On Wed, Jan 23, 2019 at 5:18 PM Andy Shevchenko <andy.shevche...@gmail.com>
> wrote:
> >
> > On Mon, Jan 14, 2019 at 4:13 PM Guan Yung Tseng <guan.yung.ts...@ni.com>
> > wrote:
> > >
> > > Modified NI devices class to PCI_CLASS_COMMUNICATION_MULTISERIAL.
> > > The reason of doing this is because all NI multi port serial cards
> > > use PCI_CLASS_COMMUNICATION_OTHER class and thus fail the
> > > serial_pci_is_class_communication test added in the commit
> > > 7d8905d06405
> > > ("serial: 8250_pci: Enable device after we check black list").
> >
> > Guan, can you provide an output of the
> >
> > lspci -nk -xx -vv -s <BDF>
> >
> > of your device, where <BDF> is a PCI address in a form of
> > bus:device.function?
>
Output of lspci before applied the patch
admin@NI-PXIe-8840Quad-Core-0308D657:~# lspci -nk -xx -vv -s 0d:0e.0
0d:0e.0 0780: 1093:70e8
Subsystem: 1093:70e8
Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr+
Stepping
- SERR+ FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <M
Abort- >SERR- <PERR- INTx-
Interrupt: pin A routed to IRQ 10
Region 0: Memory at fe201000 (32-bit, non-prefetchable) [disabled]
[size=4K]
00: 93 10 e8 70 40 01 80 02 00 00 80 07 10 20 00 00
10: 00 10 20 fe 00 00 00 00 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 93 10 e8 70
30: 00 00 00 00 f0 00 00 00 00 00 00 00 0a 01 00 00
admin@NI-PXIe-8840Quad-Core-0308D657:~# lspci -nk -xx -vv -s 0d:0f.0
0d:0f.0 0780: 1093:70ec
Subsystem: 1093:70ec
Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr+
Stepping
- SERR+ FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <M
Abort- >SERR- <PERR- INTx-
Interrupt: pin A routed to IRQ 11
Region 0: Memory at fe200000 (32-bit, non-prefetchable) [disabled]
[size=4K]
00: 93 10 ec 70 40 01 80 02 00 00 80 07 10 20 00 00
10: 00 00 20 fe 00 00 00 00 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 93 10 ec 70
30: 00 00 00 00 f0 00 00 00 00 00 00 00 0b 01 00 00
> While I'm still wondering of the above, can you also test the bellow patch if
> it fixes your issue?
The patch fixes the issue. The devices bind to the serial kernel driver
successfully.
Below is the output of lspci -nk -xx -vv -s <BDF> for the same devices after I
applied the patch.
admin@NI-PXIe-8840Quad-Core-0308D657:~# lspci -nk -xx -vv -s 0d:0e.0
0d:0e.0 0780: 1093:70e8
Subsystem: 1093:70e8
Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr+
Stepping
- SERR+ FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <M
Abort- >SERR- <PERR- INTx-
Interrupt: pin A routed to IRQ 17
Region 0: Memory at fe201000 (32-bit, non-prefetchable) [size=4K]
Kernel driver in use: serial
00: 93 10 e8 70 42 01 80 02 00 00 80 07 10 20 00 00
10: 00 10 20 fe 00 00 00 00 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 93 10 e8 70
30: 00 00 00 00 f0 00 00 00 00 00 00 00 0a 01 00 00
admin@NI-PXIe-8840Quad-Core-0308D657:~# lspci -nk -xx -vv -s 0d:0f.0
0d:0f.0 0780: 1093:70ec
Subsystem: 1093:70ec
Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr+
Stepping
- SERR+ FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <M
Abort- >SERR- <PERR- INTx-
Interrupt: pin A routed to IRQ 18
Region 0: Memory at fe200000 (32-bit, non-prefetchable) [size=4K]
Kernel driver in use: serial
00: 93 10 ec 70 42 01 80 02 00 00 80 07 10 20 00 00
10: 00 00 20 fe 00 00 00 00 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 93 10 ec 70
30: 00 00 00 00 f0 00 00 00 00 00 00 00 0b 01 00 00
