bus: mhi: host: make mhi_bus_type const

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

Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20240823031129.49010-1-kunwu.chan@linux.dev
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
This commit is contained in:
Kunwu Chan 2024-08-23 11:11:28 +08:00 committed by Manivannan Sadhasivam
parent bfc5ca0fd1
commit 8e54acedff
2 changed files with 2 additions and 2 deletions

View File

@ -1464,7 +1464,7 @@ static int mhi_match(struct device *dev, const struct device_driver *drv)
return 0;
};
struct bus_type mhi_bus_type = {
const struct bus_type mhi_bus_type = {
.name = "mhi",
.dev_name = "mhi",
.match = mhi_match,

View File

@ -9,7 +9,7 @@
#include "../common.h"
extern struct bus_type mhi_bus_type;
extern const struct bus_type mhi_bus_type;
/* Host request register */
#define MHI_SOC_RESET_REQ_OFFSET 0xb0