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Code Issues Releases Wiki Activity

gpu: host1x: bus: make host1x_bus_type const

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Since commit d492cc2573 ("driver core: device.h: make struct
bus_type a const *"), the driver core can properly handle constant
struct bus_type, move the host1x_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>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240213-bus_cleanup-host1x-v1-1-54ec51b5d14f@marliere.net
This commit is contained in:
Ricardo B. Marliere 2024-02-13 11:44:40 -03:00 committed by Thierry Reding
parent 98459fb5ab
commit 5d012e512d
2 changed files with 2 additions and 2 deletions
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2
drivers/gpu/host1x/bus.c
View file

@ -365,7 +365,7 @@ static const struct dev_pm_ops host1x_device_pm_ops = {
.restore = pm_generic_restore,
};
struct bus_type host1x_bus_type = {
const struct bus_type host1x_bus_type = {
.name = "host1x",
.match = host1x_device_match,
.uevent = host1x_device_uevent,

2
drivers/gpu/host1x/bus.h
View file

@ -10,7 +10,7 @@
struct bus_type;
struct host1x;
extern struct bus_type host1x_bus_type;
extern const struct bus_type host1x_bus_type;
int host1x_register(struct host1x *host1x);
int host1x_unregister(struct host1x *host1x);