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Simplify the callbacks by removing the need to convert a 'struct device'
into a 'struct power_supply'.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20241210-power-supply-dev_to_psy-v2-5-9d8c9d24cfe4@weissschuh.net
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Introduce power_supply_for_each_device(), which is a wrapper
for class_for_each_device() using the power_supply_class and
going through all devices.
This allows making the power_supply_class itself a local
variable, so that drivers cannot mess with it and simplifies
the code slightly.
Reviewed-by: Ricardo B. Marliere <ricardo@marliere.net>
Link: https://lore.kernel.org/r/20240301-psy-class-cleanup-v1-1-aebe8c4b6b08@collabora.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Since commit 43a7206b0963 ("driver core: class: make class_register() take
a const *"), the driver core allows for struct class to be in read-only
memory, so move the power_supply_class structure to be declared at build
time placing it into read-only memory, instead of having to be dynamically
allocated at boot time.
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: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20240301-class_cleanup-power-v1-1-97e0b7bf9c94@marliere.net
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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This moves all power supply drivers from drivers/power/
to drivers/power/supply/. The intention is a cleaner
source tree, since drivers/power/ also contains frameworks
unrelated to power supply, like adaptive voltage scaling.
Signed-off-by: Sebastian Reichel <sre@kernel.org>
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