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

Ricardo B. Marliere
2024-02-03T18:24:43Z

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 <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@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