On Thu, 02 Feb 2017 08:54:27 -0600, Siddhartha Baral said:

            I am trying to add a new thermal zone driver for HDD which will
be part of the thermal framework in the kernel.

First Law of Systems Programming:

Never test for an error condition you don't know how to handle anyhow.

If the disk reports that it is over-temperature, *what can you do about it*?

If a CPU gets too hot you can reduce the clock frequency.  You don't
have that sort of option on a disk drive - especially from inside the
kernel.  You can't change its rotation rate, and throttling I/O won't
significantly change the temperature (but can hang the system if writeback
of dirty pages stops....)
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