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greybus: make greybus_bus_type const

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

Cc: Alex Elder <elder@kernel.org>
Cc: greybus-dev@lists.linaro.org
Reviewed-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/2024010517-handgun-scoreless-05e7@gregkh
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2024-01-05 11:16:17 +01:00
parent 17bcddcd4a
commit 00b9850e73
2 changed files with 2 additions and 2 deletions
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2
drivers/greybus/core.c
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@ -155,7 +155,7 @@ static void greybus_shutdown(struct device *dev)
}
}
struct bus_type greybus_bus_type = {
const struct bus_type greybus_bus_type = {
.name = "greybus",
.match = greybus_match_device,
.uevent = greybus_uevent,

2
include/linux/greybus.h
View File

@ -104,7 +104,7 @@ void gb_debugfs_init(void);
void gb_debugfs_cleanup(void);
struct dentry *gb_debugfs_get(void);
extern struct bus_type greybus_bus_type;
extern const struct bus_type greybus_bus_type;
extern struct device_type greybus_hd_type;
extern struct device_type greybus_module_type;