By default, on wdi (watchdog input) event the mc13892 is powering off.
This patch is changing this to reboot on wdi event.

Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>

Index: linux-2.6-submit/drivers/regulator/mc13892-regulator.c
===================================================================
--- linux-2.6-submit.orig/drivers/regulator/mc13892-regulator.c	2011-02-26 23:44:08.000000000 +0100
+++ linux-2.6-submit/drivers/regulator/mc13892-regulator.c	2011-02-26 23:44:42.000000000 +0100
@@ -28,6 +28,9 @@
 #define MC13892_POWERCTL0_VCOINCELLVSEL_M	(7<<20)
 #define MC13892_POWERCTL0_VCOINCELLEN		(1<<23)
 
+#define MC13892_POWERCTL2			15
+#define MC13892_POWERCTL2_WDIRESET		(1<<12)
+
 #define MC13892_SWITCHERS0_SWxHI		(1<<23)
 
 #define MC13892_SWITCHERS0			24
@@ -558,6 +561,14 @@
 		if (ret)
 			goto err_free;
 	}
+
+	/* allows to reboot on wdi event */
+	ret = mc13xxx_reg_read(mc13892, MC13892_POWERCTL2, &val);
+	if (!ret) {
+		val |= MC13892_POWERCTL2_WDIRESET;
+		mc13xxx_reg_write(mc13892, MC13892_POWERCTL2, val);
+	}
+
 	mc13xxx_unlock(mc13892);
 
 	mc13892_regulators[MC13892_VCAM].desc.ops->set_mode