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riscv: sbi: Switch to new sys-off handler API

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Kernel now supports chained power-off handlers. Use
register_platform_power_off() that registers a platform level power-off
handler. Legacy pm_power_off() will be removed once all drivers and archs
are converted to the new sys-off API.

Signed-off-by: Andrew Davis <afd@ti.com>
Tested-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20250813151855.105237-1-afd@ti.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
This commit is contained in:
Andrew Davis
2025-08-13 10:18:55 -05:00
committed by Paul Walmsley
parent 16d18e3eaf
commit 70ddf86d76
1 changed files with 2 additions and 2 deletions
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4
arch/riscv/kernel/sbi.c
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@@ -148,7 +148,7 @@ static int __sbi_rfence_v01(int fid, const struct cpumask *cpu_mask,
static void sbi_set_power_off(void) static void sbi_set_power_off(void)
{ {
pm_power_off = sbi_shutdown; register_platform_power_off(sbi_shutdown);
} }
#else #else
static void __sbi_set_timer_v01(uint64_t stime_value) static void __sbi_set_timer_v01(uint64_t stime_value)
@@ -682,7 +682,7 @@ void __init sbi_init(void)
if (sbi_spec_version >= sbi_mk_version(0, 3) && if (sbi_spec_version >= sbi_mk_version(0, 3) &&
sbi_probe_extension(SBI_EXT_SRST)) { sbi_probe_extension(SBI_EXT_SRST)) {
pr_info("SBI SRST extension detected\n"); pr_info("SBI SRST extension detected\n");
pm_power_off = sbi_srst_power_off; register_platform_power_off(sbi_srst_power_off);
sbi_srst_reboot_nb.notifier_call = sbi_srst_reboot; sbi_srst_reboot_nb.notifier_call = sbi_srst_reboot;
sbi_srst_reboot_nb.priority = 192; sbi_srst_reboot_nb.priority = 192;
register_restart_handler(&sbi_srst_reboot_nb); register_restart_handler(&sbi_srst_reboot_nb);