On Tue, Aug 23, 2011 at 10:03 AM, Diego Iastrubni <diegoiast@xxxxxxxxx> wrote:
> KERNEL=="hidraw[0-9]*", ATTRS{serial}=="musb_hdrc", SYMLINK+="aaaaaaaaaa"
> KERNEL=="hidraw[0-9]*", ATTRS{idVendor}=="c1ca", SYMLINK+="bbbbbbbbbbb"
>
>
> OK, works. I see both links generated. Now I need to combine them:
>
> KERNEL=="hidraw[0-9]*", ATTRS{idVendor}=="c1ca",
> ATTRS{serial}=="musb_hdrc", SYMLINK+="cccccccccc"
> KERNEL=="hidraw[0-9]*", ATTRS{serial}=="musb_hdrc",
> ATTRS{idVendor}=="c1ca", SYMLINK+="dddddddddd"
ATTRS matches on a parent device, two instances of ATTRS matches on
_the same_ parent device. In your case I guess idVendor and serial
match on different parent devices, which would explain why they work
separately but no together.
Finally you say:
> None working. What I think in happening is that the idVendor of the
> USB hub is matched and not of the device. I need to match:
>
> ATTR{idVendor}=="c1ca" and some parent has ATTRS{serial}=="musb_hdrc"
>
>
> What is the golden rule I am missing?
Sounds to me like you should have used:
KERNEL=="hidraw[0-9]*", ATTR{idVendor}=="c1ca",
ATTRS{serial}=="musb_hdrc", SYMLINK+="eeeeeeeee"
Cheers,
Tom
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