On Sun, Jun 30, 2013 at 03:47:44PM +0200, Stefan Seyfried wrote: > Hi all, > > the following commit: > > commit 8d2f8cd424ca0b99001f3ff4f5db87c4e525f366 > Author: Wang YanQing <udknight@xxxxxxxxx> > Date: Fri Mar 1 11:47:20 2013 +0800 > > serial: 8250_pci: add support for another kind of NetMos Technology PCI 9835 Multi-I/O Controller > > 01:08.0 Communication controller: NetMos Technology PCI 9835 Multi-I/O Controller (rev 01) > Subsystem: Device [1000:0012] > Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- > Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- > Interrupt: pin A routed to IRQ 20 > Region 0: I/O ports at e050 [size=8] > Region 1: I/O ports at e040 [size=8] > Region 2: I/O ports at e030 [size=8] > Region 3: I/O ports at e020 [size=8] > Region 4: I/O ports at e010 [size=8] > Region 5: I/O ports at e000 [size=16] > > Signed-off-by: Wang YanQing <udknight@xxxxxxxxx> > Cc: stable <stable@xxxxxxxxxxxxxxx> > Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > > > breaks my > 05:05.0 Communication controller: NetMos Technology PCI 9835 Multi-I/O Controller (rev 01) > 05:05.0 0780: 9710:9835 (rev 01) > Subsystem: 1000:0012 > > which has two serial and one parallel port, driven by parport_serial. > > The reason is, that this commit adds the PCI ID to 8250_pci, when it > was handled by parport_serial before. > In my case (openSUSE kernel), 8250 is built in and parport_serial is > built as a module. Unfortunately with the device occupied by 8250, > parport_serial finds no device and thus does not drive the parport. > > I bisected this in the stable series after the openSUSE kernel update > (which pulled in the stable kernel update) broke my printing. > > Actually the above commit is totally unnecessary: the serial ports > work very well without it, they are just driven by another driver. > > Can this please be reverted? I can't see which problem it solves, but > it definitely breaks the additional ports on my multi-i/o board. Thanks for pointing this out, I missed the fact that parport_serial was already controlling this device. I'll revert it and get it into the stable trees after it hits Linus's tree (probably next week some time.) thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html