[PATCH] powernv/opal: Handle OPAL_WRONG_STATE error from OPAL fails

[Michael Ellerman]

Vipin K Parashar <vipin at linux.vnet.ibm.com> writes:

> Added check for OPAL_WRONG_STATE error code returned from OPAL.
> Currently Linux flashes "unexpected error" over console for this
> error. This will avoid throwing such message and return I/O error
> for such OPAL failures.

Why do we expect to get OPAL_WRONG_STATE ?

cheers