ide: use printk_once

Signed-off-by: NMarcin Slusarz <marcin.slusarz@gmail.com>
Acked-by: NDavid S. Miller <davem@davemloft.net>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/ide/ide-proc.c

@@ -273,14 +273,8 @@ static const struct ide_proc_devset ide_generic_settings[] = {
 
 static void proc_ide_settings_warn(void)
 {
-	static int warned;
-
-	if (warned)
-		return;
-
-	printk(KERN_WARNING "Warning: /proc/ide/hd?/settings interface is "
+	printk_once(KERN_WARNING "Warning: /proc/ide/hd?/settings interface is "
 			    "obsolete, and will be removed soon!\n");
-	warned = 1;
 }
 
 static int ide_settings_proc_show(struct seq_file *m, void *v)