[PATCH] can: flexcan: add a regulator for transceiver

On Tue, Jul 03, 2012 at 08:46:11PM +0800, Shawn Guo wrote:

+	if (priv->reg_xcvr) {
+		if (on)
+			regulator_enable(priv->reg_xcvr);
+		else
+			regulator_disable(priv->reg_xcvr);
+	}

No, the regulator API will stub itself out if not enabled, and if the
supply is fixed then a fixed voltage regulator will do the job.  We
shouldn't be open coding this stuff in individual users.