Now that the driver core can properly handle constant struct bus_type,
move the greybus_bus_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Cc: Johan Hovold <johan@xxxxxxxxxx>
Cc: Alex Elder <elder@xxxxxxxxxx>
Cc: greybus-dev@xxxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/greybus/core.c | 2 +-
include/linux/greybus.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/greybus/core.c b/drivers/greybus/core.c
index 5714be740470..b0aadc1e7bbe 100644
--- a/drivers/greybus/core.c
+++ b/drivers/greybus/core.c
@@ -155,7 +155,7 @@ static void greybus_shutdown(struct device *dev)
}
}
-struct bus_type greybus_bus_type = {
+const struct bus_type greybus_bus_type = {
.name = "greybus",
.match = greybus_match_device,
.uevent = greybus_uevent,
diff --git a/include/linux/greybus.h b/include/linux/greybus.h
index 18c0fb958b74..92da9ec4f5f0 100644
--- a/include/linux/greybus.h
+++ b/include/linux/greybus.h
@@ -104,7 +104,7 @@ void gb_debugfs_init(void);
void gb_debugfs_cleanup(void);
struct dentry *gb_debugfs_get(void);
-extern struct bus_type greybus_bus_type;
+extern const struct bus_type greybus_bus_type;
extern struct device_type greybus_hd_type;
extern struct device_type greybus_module_type;
--
2.43.0
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