Hi Ramya,
On Thu, 7 Apr 2011 15:06:57 +0530 you wrote:
>
> Please let me know, if there is any way to do this. Any suggestions
> would be appreciated.
Yes, there is, but it's not kernel-related so it's out of scope for
this list. Check out how "persistent naming" is achieved with UDEV.
It's not always easy, but it's entirely a user-space issue.
You need to find some way to identify your device uniquely. With the
persistent-net rules that is the MAC address, with persistent-cd it's
the bus ID. When I wanted to do something similar with a USB-serial
device I used the device's serial number (in combination with the
product name, so that other USB-serial converters behaved per default).
If your device is a one-off and you never want to use more than one
of it, then a simple hand-written UDEV rule will do. It will look
something like:
KERNEL=="ttyACM*", ACTION=="add", ATTRS{serial}=="xxx", ATTRS{product}=="yyy", SYMLINK+="mydev"
In my case we are building several systems each with (potentially)
several devices that must have unique identities. I had to write
complex rules to auto-generate the UDEV rule for each such device in
the order they are _FIRST_ plugged in (as opposed to the order they're
detected from each power-up).
Cheers,
Rob
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