Commit 3d70eb8e authored by Kunwu Chan's avatar Kunwu Chan Committed by Thierry Reding
Browse files

gpu: host1x: Make host1x_context_device_bus_type constant 



Since commit d492cc25 ("driver core: device.h: make struct
bus_type a const *"), the driver core can properly handle constant
struct bus_type, move the host1x_context_device_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: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarKunwu Chan <chentao@kylinos.cn>
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240823080724.148423-1-kunwu.chan@linux.dev
parent 57d298bd

drivers/gpu/host1x/context_bus.c

+1 −1
Original line number Diff line number Diff line
@@ -6,7 +6,7 @@ 
#include <linux/device.h>

#include <linux/of.h>



struct bus_type host1x_context_device_bus_type = {

const struct bus_type host1x_context_device_bus_type = {

	.name = "host1x-context",

};

EXPORT_SYMBOL_GPL(host1x_context_device_bus_type);

include/linux/host1x_context_bus.h

+1 −1
Original line number Diff line number Diff line
@@ -9,7 +9,7 @@ 
#include <linux/device.h>



#ifdef CONFIG_TEGRA_HOST1X_CONTEXT_BUS

extern struct bus_type host1x_context_device_bus_type;

extern const struct bus_type host1x_context_device_bus_type;

#endif



#endif