diff options
| author | Ben Zong-You Xie <[email protected]> | 2026-07-28 16:10:40 +0800 |
|---|---|---|
| committer | Anup Patel <[email protected]> | 2026-09-01 10:46:23 +0530 |
| commit | 0fb479930775cf86efdfd5c50ad21b4cf8353c76 (patch) | |
| tree | ef74e3e5b5b8b6b24aa23fe7aa156d21731512f4 /include | |
| parent | e01bd7926b5d808d883df18c6ac919dfa9ab04e7 (diff) | |
lib: utils/suspend: wait for the secondary Andes harts to sleep
A secondary hart may not have reached the target sleep state by the time
the primary checks, so the one-shot check could fail spuriously. Poll
each PCS status instead and give up after HART_SLEEP_TIMEOUT_MS.
Rework atcsmu_pcs_is_sleep() into the atcsmu_hart_is_sleep() predicate so
sbi_timer_waitms_until() can drive it.
Signed-off-by: Ben Zong-You Xie <[email protected]>
Reviewed-by: Anup Patel <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Anup Patel <[email protected]>
Diffstat (limited to 'include')
| -rw-r--r-- | include/sbi_utils/hsm/fdt_hsm_andes_atcsmu.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/sbi_utils/hsm/fdt_hsm_andes_atcsmu.h b/include/sbi_utils/hsm/fdt_hsm_andes_atcsmu.h index 20e6cea0..bb9a2bc2 100644 --- a/include/sbi_utils/hsm/fdt_hsm_andes_atcsmu.h +++ b/include/sbi_utils/hsm/fdt_hsm_andes_atcsmu.h @@ -9,6 +9,11 @@ #include <sbi/sbi_types.h> +struct atcsmu_sleep_arg { + u32 hartid; + bool deep_sleep; +}; + /* clang-format off */ #define SCRATCH_PAD_OFFSET 0x40 @@ -61,6 +66,6 @@ int atcsmu_set_reset_vector(u64 wakeup_addr, u32 hartid); u32 atcsmu_get_sleep_type(u32 hartid); void atcsmu_write_scratch(u32 value); u32 atcsmu_read_scratch(void); -bool atcsmu_pcs_is_sleep(u32 hartid, bool deep_sleep); +bool atcsmu_hart_is_sleep(void *opaque); #endif |