Applied "mfd: rn5t618: Register power off callback optionally" to the regulator tree

Mark Brown broonie at
Wed Jun 29 11:05:18 PDT 2016

The patch

   mfd: rn5t618: Register power off callback optionally

has been applied to the regulator tree at


All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.  

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>From fd65ae4cb65a9e41af44e37318afb39045d86bf2 Mon Sep 17 00:00:00 2001
From: Stefan Agner <stefan at>
Date: Tue, 28 Jun 2016 22:53:21 -0700
Subject: [PATCH] mfd: rn5t618: Register power off callback optionally

Only register power off if the PMIC is defined as system power
controller (see Documentation/devicetree/bindings/power/

Signed-off-by: Stefan Agner <stefan at>
Reviewed-by: Marcel Ziswiler <marcel.ziswiler at>
Signed-off-by: Lee Jones <lee.jones at>
 drivers/mfd/rn5t618.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/mfd/rn5t618.c b/drivers/mfd/rn5t618.c
index c86160d3a773..1831740d9016 100644
--- a/drivers/mfd/rn5t618.c
+++ b/drivers/mfd/rn5t618.c
@@ -102,9 +102,13 @@ static int rn5t618_i2c_probe(struct i2c_client *i2c,
 		return ret;
-	if (!pm_power_off) {
-		rn5t618_pm_power_off = priv;
-		pm_power_off = rn5t618_power_off;
+	if (of_device_is_system_power_controller(i2c->dev.of_node)) {
+		if (!pm_power_off) {
+			rn5t618_pm_power_off = priv;
+			pm_power_off = rn5t618_power_off;
+		} else {
+			dev_warn(&i2c->dev, "Poweroff callback already assigned\n");
+		}
 	return 0;

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