[PATCH 1/2] drm: display: make dp_aux_bus_type const

[Ricardo B. Marliere]

Now that the driver core can properly handle constant struct bus_type,
move the dp_aux_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 <gre...@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <rica...@marliere.net>
---
 drivers/gpu/drm/display/drm_dp_aux_bus.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/display/drm_dp_aux_bus.c 
b/drivers/gpu/drm/display/drm_dp_aux_bus.c
index 8a165be1a821..5afc26be9d2a 100644
--- a/drivers/gpu/drm/display/drm_dp_aux_bus.c
+++ b/drivers/gpu/drm/display/drm_dp_aux_bus.c
@@ -127,7 +127,7 @@ static void dp_aux_ep_shutdown(struct device *dev)
                aux_ep_drv->shutdown(to_dp_aux_ep_dev(dev));
 }
 
-static struct bus_type dp_aux_bus_type = {
+static const struct bus_type dp_aux_bus_type = {
        .name           = "dp-aux",
        .match          = dp_aux_ep_match,
        .probe          = dp_aux_ep_probe,

-- 
2.43.0