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gpu: host1x: Make host1x_context_device_bus_type constant

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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_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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240823080724.148423-1-kunwu.chan@linux.dev
This commit is contained in:
Kunwu Chan 2024-08-23 16:07:24 +08:00 committed by Thierry Reding
parent 57d298bdb4
commit 3d70eb8e60
2 changed files with 2 additions and 2 deletions
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2
drivers/gpu/host1x/context_bus.c
View File

@ -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);

2
include/linux/host1x_context_bus.h
View File

@ -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