[PATCH 2/2] drm: mipi-dsi: make mipi_dsi_bus_type const

Ricardo B. Marliere ricardo at marliere.net
Sat Feb 3 18:25:04 UTC 2024


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

diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c
index 843a6dbda93a..ef6e416522f8 100644
--- a/drivers/gpu/drm/drm_mipi_dsi.c
+++ b/drivers/gpu/drm/drm_mipi_dsi.c
@@ -89,7 +89,7 @@ static const struct dev_pm_ops mipi_dsi_device_pm_ops = {
 	.restore = pm_generic_restore,
 };
 
-static struct bus_type mipi_dsi_bus_type = {
+static const struct bus_type mipi_dsi_bus_type = {
 	.name = "mipi-dsi",
 	.match = mipi_dsi_device_match,
 	.uevent = mipi_dsi_uevent,

-- 
2.43.0



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