From patchwork Thu Mar  1 09:02:56 2012
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Subject: [RFC,v2,7/8] PM / Runtime: Add can_power_off flag to subsys data
Date: Wed, 29 Feb 2012 23:02:56 -0000
From: Lin Ming <ming.m.lin@intel.com>
X-Patchwork-Id: 143959
Message-Id: <1330592577-16546-8-git-send-email-ming.m.lin@intel.com>
To: Zhang Rui <rui.zhang@intel.com>, Jeff Garzik <jgarzik@pobox.com>,
 Alan Stern <stern@rowland.harvard.edu>,
 "Rafael J. Wysocki" <rjw@sisk.pl>, Tejun Heo <tj@kernel.org>,
 Aaron Lu <aaron.lu@amd.com>
Cc: linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org,
 linux-scsi@vger.kernel.org, linux-pm@vger.kernel.org,
 linux-acpi <linux-acpi@vger.kernel.org>

Parent device will check child's can_power_off flag to see if child device can
be powered off.

Signed-off-by: Lin Ming <ming.m.lin@intel.com>

---
include/linux/pm.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/include/linux/pm.h b/include/linux/pm.h
index e4982ac..2e74531 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -465,6 +465,7 @@ struct pm_subsys_data {
 #ifdef CONFIG_PM_GENERIC_DOMAINS
 	struct pm_domain_data *domain_data;
 #endif
+	bool can_power_off;
 };
 
 struct dev_pm_info {