HwIcap on Linux running on Powerpc

I have ported Linux on ML507 ,for doing partial reconfiguration(PR) I added HWICAP in my design(EDK),as per my knowledge if HwIcap properly mapped with Linux kernel 2.6.34 we can do PR on it.on linux (on powerpc) it shows error -

root:> cat  /dev/icap0

First time its initilization success then second time it failed.

Second problem is that-next how to pass partial bitstream?

Plz help me............

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