ahci: Cache host controller version
authorMika Westerberg <mika.westerberg@linux.intel.com>
Thu, 18 Feb 2016 08:54:14 +0000 (10:54 +0200)
committerTejun Heo <tj@kernel.org>
Fri, 19 Feb 2016 15:52:46 +0000 (10:52 -0500)
commit8ea909cb35bc2c3226610f8631c73e355020a26e
tree5312d48a1871e8a09bbf3b954421e5e7fc929877
parent5c6fab9d558470b4e53c6d113f7dbcb31049ffc5
ahci: Cache host controller version

This allows sysfs nodes to read the cached value directly instead of
powering up possibly runtime suspended controller.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
drivers/ata/ahci.h
drivers/ata/libahci.c