From 1e55a130620e5bef3570c4e1d326412c614fba84 Mon Sep 17 00:00:00 2001
From: Vladimir Kondratyev <wulf@FreeBSD.org>
Date: Thu, 3 Aug 2023 19:10:49 +0300
Subject: [PATCH] spibus(4): Skip bus_generic_detach() on device detach

device_delete_children() detaches all children too.

MFC after:	1 month
Reviewed by:	manu
Differential Revision:	https://reviews.freebsd.org/D41240
---
 sys/dev/spibus/spibus.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/sys/dev/spibus/spibus.c b/sys/dev/spibus/spibus.c
index 40ebb916a64..b9b3e8d28b8 100644
--- a/sys/dev/spibus/spibus.c
+++ b/sys/dev/spibus/spibus.c
@@ -70,13 +70,7 @@ spibus_attach(device_t dev)
 static int
 spibus_detach(device_t dev)
 {
-	int err;
-
-	if ((err = bus_generic_detach(dev)) != 0)
-		return (err);
-	device_delete_children(dev);
-
-	return (0);
+	return (device_delete_children(dev));
 }
 
 static int