Re: staging: comedi: USB devs not working / some comedi core reorganization

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 20/12/13 23:48, Bernd Porr wrote:
Hi all,

here is another patch which fixes a kernel warning where a subdevice is
released which no longer exists. The subdevice was removed before the
main comedi device. The functions for the main dev removal and the
subdevice were in different files/modules, were called from different
subsystems and I've moved them together to make sure the order is right.

There is still a problem that the subdevices are sometimes not generated
at boot time (cold boot) but hotplug does. I don't get any error
messages though so firmware load is probably not the problem. I've put
loads of the printk in it but then the error disappears (!). Seems to be
a very tight race condition.

/Bernd

Hi Bernd,

I won't be able to look at this until the new year, but it looks like it will will break detachment via the COMEDI_DEVCONFIG ioctl (as used by comedi_config -r /dev/comedi0). Also, I've no idea what git tree/branch you're based on.

--
-=( Ian Abbott @ MEV Ltd.    E-mail: <abbotti@xxxxxxxxx>        )=-
-=( Tel: +44 (0)161 477 1898   FAX: +44 (0)161 718 3587         )=-
_______________________________________________
devel mailing list
devel@xxxxxxxxxxxxxxxxxxxxxx
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel




[Index of Archives]     [Linux Driver Backports]     [DMA Engine]     [Linux GPIO]     [Linux SPI]     [Video for Linux]     [Linux USB Devel]     [Linux Coverity]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [Yosemite Backpacking]
  Powered by Linux