From: Ricardo B. Marliere <ricardo@marliere.net>
Date: Sun, 4 Feb 2024 15:19:50 +0000 (-0300)
Subject: sparc: vio: make vio_bus_type const
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=079431ea9ed3eef871b7b92bb02d411020000679;p=linux.git

sparc: vio: make vio_bus_type const

Now that the driver core can properly handle constant struct bus_type,
move the vio_bus_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Link: https://lore.kernel.org/r/20240204-bus_cleanup-sparc-v1-1-4ca7fe8de5f7@marliere.net
---

diff --git a/arch/sparc/kernel/vio.c b/arch/sparc/kernel/vio.c
index b78df3a15a72e..846a55f942d4e 100644
--- a/arch/sparc/kernel/vio.c
+++ b/arch/sparc/kernel/vio.c
@@ -149,7 +149,7 @@ static struct attribute *vio_dev_attrs[] = {
  };
 ATTRIBUTE_GROUPS(vio_dev);
 
-static struct bus_type vio_bus_type = {
+static const struct bus_type vio_bus_type = {
 	.name		= "vio",
 	.dev_groups	= vio_dev_groups,
 	.uevent         = vio_hotplug,