Commit 8e54aced authored by Kunwu Chan's avatar Kunwu Chan Committed by Manivannan Sadhasivam
Browse files

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: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarKunwu Chan <chentao@kylinos.cn>
Reviewed-by: default avatarManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20240823031129.49010-1-kunwu.chan@linux.dev


Signed-off-by: default avatarManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
parent bfc5ca0f

drivers/bus/mhi/host/init.c

+1 −1
Original line number Diff line number Diff line
@@ -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,

drivers/bus/mhi/host/internal.h

+1 −1
Original line number Diff line number Diff line
@@ -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