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Set flag GENPD_FLAG_ACTIVE_WAKEUP to rpi_power genpd, then when a device
is set as wakeup source using device_set_wakeup_enable, the power
domain could be kept on to make sure the device could wakeup the system.
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Link: https://lore.kernel.org/r/20240728114200.75559-6-wahrenst@gmx.net
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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The Raspberry Pi power driver heavily relies on the logging of the
underlying firmware driver. This results in disadvantages like unspecific
error messages or limited debugging options. So implement the logging for
the most important function rpi_firmware_set_power.
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Link: https://lore.kernel.org/r/20240728114200.75559-5-wahrenst@gmx.net
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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According to the official Mailbox property interface the second part
of RPI_FIRMWARE_SET_POWER_STATE ( and so on ...) is named state because
it represent u32 flags and just the lowest bit is for on/off. So rename it
to align with documentation and prepare the driver for further changes.
Link: https://github.com/raspberrypi/firmware/wiki/Mailbox-property-interface
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/20240728114200.75559-4-wahrenst@gmx.net
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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It has been pointed out that naming a subsystem "genpd" isn't very
self-explanatory and the acronym itself that means Generic PM Domain, is
known only by a limited group of people.
In a way to improve the situation, let's rename the subsystem to pmdomain,
which ideally should indicate that this is about so called Power Domains or
"PM domains" as we often also use within the Linux Kernel terminology.
Suggested-by: Rafael J. Wysocki <rafael@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230912221127.487327-1-ulf.hansson@linaro.org
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