iwlwifi: trans: turn set_pmi into an optional callback

It is not currently implemented for SDIO, and not required for other slave
buses as well.

Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Arik Nemtsov 2013-12-05 18:31:45 +02:00 • committed by Emmanuel Grumbach
commit 128cb89e1d