Commit 512f0980 authored Dec 15, 2016 by Boris Ostrovsky Committed by Thomas Gleixner Dec 15, 2016

cpu/hotplug: Clarify description of __cpuhp_setup_state() return value

When invoked with CPUHP_AP_ONLINE_DYN state __cpuhp_setup_state()
is expected to return positive value which is the hotplug state that
the routine assigns.

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: linux-pm@vger.kernel.org
Cc: viresh.kumar@linaro.org
Cc: bigeasy@linutronix.de
Cc: rjw@rjwysocki.net
Cc: xen-devel@lists.xenproject.org
Link: http://lkml.kernel.org/r/1481814058-4799-2-git-send-email-boris.ostrovsky@oracle.com

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

parent 9bf11ecc

kernel/cpu.c

+5 −1

Original line number	Diff line number	Diff line
		@@ -1586,7 +1586,11 @@ EXPORT_SYMBOL_GPL(__cpuhp_state_add_instance);
		* @startup: startup callback function
		* @teardown: teardown callback function
		*
		* Returns 0 if successful, otherwise a proper error code
		* Returns:
		* On success:
		* Positive state number if @state is CPUHP_AP_ONLINE_DYN
		* 0 for all other states
		* On failure: proper (negative) error code
		*/
		int __cpuhp_setup_state(enum cpuhp_state state,
		const char *name, bool invoke,