From b3b07e5e27a30e85743deb392959de278caeb7b6 Mon Sep 17 00:00:00 2001
From: br <br@FreeBSD.org>
Date: Tue, 1 Apr 2014 04:40:08 +0000
Subject: Release i2c bus on detach.

---
 sys/arm/samsung/exynos/chrome_ec.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'sys/arm/samsung')

diff --git a/sys/arm/samsung/exynos/chrome_ec.c b/sys/arm/samsung/exynos/chrome_ec.c
index 87e5b41..5ef64ee 100644
--- a/sys/arm/samsung/exynos/chrome_ec.c
+++ b/sys/arm/samsung/exynos/chrome_ec.c
@@ -234,9 +234,22 @@ ec_attach(device_t dev)
 	return (0);
 }
 
+static int
+ec_detach(device_t dev)
+{
+	struct ec_softc *sc;
+
+	sc = device_get_softc(dev);
+
+	bus_release(sc);
+
+	return (0);
+}
+
 static device_method_t ec_methods[] = {
 	DEVMETHOD(device_probe,		ec_probe),
 	DEVMETHOD(device_attach,	ec_attach),
+	DEVMETHOD(device_detach,	ec_detach),
 	{ 0, 0 }
 };
 
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