[PATCH v2] powerpc/le: enable RTAS events support

[Stewart Smith]

Greg Kurz <gkurz at linux.vnet.ibm.com> writes:
> The current kernel code assumes big endian and parses RTAS events all
> wrong. The most visible effect is that we cannot honor EPOW events,
> meaning, for example, we cannot shut down a guest properly from the
> hypervisor.
>
> This new patch is largely inspired by Nathan's work: we get rid of all
> the bit fields in the RTAS event structures (even the unused ones, for
> consistency). We also introduce endian safe accessors for the fields used
> by the kernel (trivial rtas_error_type() accessor added for consistency).
>
> Cc: Nathan Fontenot <nfont at linux.vnet.ibm.com>
> Signed-off-by: Greg Kurz <gkurz at linux.vnet.ibm.com>

Acked-by: Stewart Smith <stewart at linux.vnet.ibm.com>