libata-link: update Power Management to handle PMP links

Update Power Management to consider PMP links.
Signed-off-by: NTejun Heo <htejun@gmail.com>
Signed-off-by: NJeff Garzik <jeff@garzik.org>

drivers/ata/libata-core.c

@@ -5912,6 +5912,7 @@ static int ata_host_request_pm(struct ata_host *host, pm_message_t mesg,
 
 	for (i = 0; i < host->n_ports; i++) {
 		struct ata_port *ap = host->ports[i];
+		struct ata_link *link;
 
 		/* Previous resume operation might still be in
 		 * progress.  Wait for PM_PENDING to clear.
@@ -5931,8 +5932,10 @@ static int ata_host_request_pm(struct ata_host *host, pm_message_t mesg,
 		}
 
 		ap->pflags |= ATA_PFLAG_PM_PENDING;
-		ap->link.eh_info.action |= action;
-		ap->link.eh_info.flags |= ehi_flags;
+		__ata_port_for_each_link(link, ap) {
+			link->eh_info.action |= action;
+			link->eh_info.flags |= ehi_flags;
+		}
 
 		ata_port_schedule_eh(ap);