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Bottomley" , Helge Deller , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , Paul Walmsley , Palmer Dabbelt , Albert Ou , Yoshinori Sato , Rich Felker , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Boris Ostrovsky , Juergen Gross , Stefano Stabellini , "Rafael J. Wysocki" , Len Brown , Santosh Shilimkar , Krzysztof Kozlowski , Liam Girdwood , Mark Brown , Pavel Machek , Lee Jones , Andrew Morton , Guenter Roeck , Daniel Lezcano , Andy Shevchenko , Ulf Hansson , alankao@andestech.com, "K . C . Kuen-Chern Lin" , =?utf-8?b?TWljaGHFgiBNaXJv?= =?utf-8?b?c8WCYXc=?= Cc: linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-sh@vger.kernel.org, xen-devel@lists.xenproject.org, linux-acpi@vger.kernel.org, linux-pm@vger.kernel.org, linux-tegra@vger.kernel.org Subject: [PATCH v6 19/21] ACPI: power: Switch to sys-off handler API Date: Mon, 31 Jan 2022 02:37:16 +0300 Message-Id: <20220130233718.21544-20-digetx@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220130233718.21544-1-digetx@gmail.com> References: <20220130233718.21544-1-digetx@gmail.com> MIME-Version: 1.0 Switch to sys-off API that replaces legacy pm_power_off callbacks. Signed-off-by: Dmitry Osipenko --- drivers/acpi/sleep.c | 25 +++++++++++-------------- 1 file changed, 11 insertions(+), 14 deletions(-) diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index a60ff5dfed3a..e27ac5b4645b 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -47,19 +47,11 @@ static void acpi_sleep_tts_switch(u32 acpi_state) } } -static int tts_notify_reboot(struct notifier_block *this, - unsigned long code, void *x) +static void tts_reboot_prepare(struct reboot_prep_data *data) { acpi_sleep_tts_switch(ACPI_STATE_S5); - return NOTIFY_DONE; } -static struct notifier_block tts_notifier = { - .notifier_call = tts_notify_reboot, - .next = NULL, - .priority = 0, -}; - static int acpi_sleep_prepare(u32 acpi_state) { #ifdef CONFIG_ACPI_SLEEP @@ -1031,7 +1023,7 @@ static void acpi_sleep_hibernate_setup(void) static inline void acpi_sleep_hibernate_setup(void) {} #endif /* !CONFIG_HIBERNATION */ -static void acpi_power_off_prepare(void) +static void acpi_power_off_prepare(struct power_off_prep_data *data) { /* Prepare to power off the system */ acpi_sleep_prepare(ACPI_STATE_S5); @@ -1039,7 +1031,7 @@ static void acpi_power_off_prepare(void) acpi_os_wait_events_complete(); } -static void acpi_power_off(void) +static void acpi_power_off(struct power_off_data *data) { /* acpi_sleep_prepare(ACPI_STATE_S5) should have already been called */ pr_debug("%s called\n", __func__); @@ -1047,6 +1039,11 @@ static void acpi_power_off(void) acpi_enter_sleep_state(ACPI_STATE_S5); } +static struct sys_off_handler acpi_sys_off_handler = { + .power_off_priority = POWEROFF_PRIO_FIRMWARE, + .reboot_prepare_cb = tts_reboot_prepare, +}; + int __init acpi_sleep_init(void) { char supported[ACPI_S_STATE_COUNT * 3 + 1]; @@ -1063,8 +1060,8 @@ int __init acpi_sleep_init(void) if (acpi_sleep_state_supported(ACPI_STATE_S5)) { sleep_states[ACPI_STATE_S5] = 1; - pm_power_off_prepare = acpi_power_off_prepare; - pm_power_off = acpi_power_off; + acpi_sys_off_handler.power_off_cb = acpi_power_off; + acpi_sys_off_handler.power_off_prepare_cb = acpi_power_off_prepare; } else { acpi_no_s5 = true; } @@ -1080,6 +1077,6 @@ int __init acpi_sleep_init(void) * Register the tts_notifier to reboot notifier list so that the _TTS * object can also be evaluated when the system enters S5. */ - register_reboot_notifier(&tts_notifier); + register_sys_off_handler(&acpi_sys_off_handler); return 0; }