power: supply: core: constify the struct device_type usage

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Since commit aed65af1cc ("drivers: make device_type const"), the driver
core can properly handle constant struct device_type. Move the
power_supply_dev_type variable to be a constant structure as well, placing
it into read-only memory which can not be modified at runtime.

In order to accomplish that, export power_supply_attr_group in
power_supply.h and use it with the macro __ATTRIBUTE_GROUPS when defining
power_supply_dev_type in power_supply_core.c. Therefore the attribute group
is no longer static. Lastly, because power_supply_attr_groups is no longer
dynamically associated to power_supply_dev_type in
power_supply_init_attrs(), make the function receive zero arguments.

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Link: https://lore.kernel.org/r/20240224-device_cleanup-power-v2-1-465ff94b896c@marliere.net
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

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Ricardo B. Marliere 2024-02-24 17:15:41 -03:00 • committed by Sebastian Reichel

parent 9e6047c011

commit 7b46b60944

3 changed files with 11 additions and 12 deletions

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4

drivers/power/supply/power_supply.h

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8

drivers/power/supply/power_supply_core.c

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11

drivers/power/supply/power_supply_sysfs.c

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