Re: Static naming for hiddev nodes

["Adam Kropelin" <akropel1@rochester.rr.com>]

Kay Sievers wrote:
> On 8/3/07, Adam Kropelin <akropel1@rochester.rr.com> wrote:
>> Kay Sievers wrote:
>>> Does:
>>>  KERNEL="hiddev*", SYSFS{serial}="BB0100009999", NAME="ups"
>>> work?
>>
>> Perfectly.
>>
>> It is interesting, looking at the udevinfo output, to see that the
>> device with DRIVER="usbhid" has no SYSFS{serial}...which explains
>> why that particular permutation of the rule did not work.
>
> It should still have worked, maybe there are timing problems. In
> general its better to match directly on a device property of the
> device you want to hook into, like "hiddev*" is doing. That way, you
> will never catch any of the parent events, only check for the
> properties of the parents starting at the right event.

Makes sense now.

> It may also be better to create just a symlink, because the kernel log
> will report errors with the kernel name and you have no easy way to
> tell which of your names belong to which kernel device.

Good point. I'll make that change.

--Adam


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