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Date:      Fri, 18 Oct 2019 12:34:31 +0000 (UTC)
From:      Andriy Gapon <avg@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r353727 - head/sys/dev/gpio
Message-ID:  <201910181234.x9ICYVKb000420@repo.freebsd.org>

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Author: avg
Date: Fri Oct 18 12:34:30 2019
New Revision: 353727
URL: https://svnweb.freebsd.org/changeset/base/353727

Log:
  gpioiic: add the detach method
  
  bus_generic_detach was not enough, we also need to clean up the iicbus
  child device.
  
  MFC after:	1 week

Modified:
  head/sys/dev/gpio/gpioiic.c

Modified: head/sys/dev/gpio/gpioiic.c
==============================================================================
--- head/sys/dev/gpio/gpioiic.c	Fri Oct 18 12:32:01 2019	(r353726)
+++ head/sys/dev/gpio/gpioiic.c	Fri Oct 18 12:34:30 2019	(r353727)
@@ -143,6 +143,15 @@ gpioiic_attach(device_t dev)
 	return (0);
 }
 
+static int
+gpioiic_detach(device_t dev)
+{
+
+	bus_generic_detach(dev);
+	device_delete_children(dev);
+	return (0);
+}
+
 /*
  * Reset bus by setting SDA first and then SCL. 
  * Must always be called with gpio bus locked.
@@ -241,7 +250,7 @@ static device_method_t gpioiic_methods[] = {
 	/* Device interface */
 	DEVMETHOD(device_probe,		gpioiic_probe),
 	DEVMETHOD(device_attach,	gpioiic_attach),
-	DEVMETHOD(device_detach,	bus_generic_detach),
+	DEVMETHOD(device_detach,	gpioiic_detach),
 
 	/* iicbb interface */
 	DEVMETHOD(iicbb_setsda,		gpioiic_setsda),



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