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Commit 1358e038 authored by Boris Ostrovsky's avatar Boris Ostrovsky Committed by Rafael J. Wysocki
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CPU/hotplug: Clarify description of __cpuhp_setup_state() return value 



When ivoked 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: default avatarBoris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 2bf3b685

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,