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intel_adsp/ace: pm: Remove unnecessary cache flush

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core_desc is not located (nor is accessed) in cached memory.
There is no need to flush it.

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
This commit is contained in:
Flavio Ceolin 2024-03-19 21:31:41 +00:00 committed by Maureen Helm
parent 301055dec0
commit e728adffd2
1 changed files with 6 additions and 0 deletions
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6
soc/intel/intel_adsp/ace/power.c
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@ -150,7 +150,13 @@ static ALWAYS_INLINE void _save_core_context(uint32_t core_id)
core_desc[core_id].thread_ptr = XTENSA_RUR("THREADPTR");
__asm__ volatile("mov %0, a0" : "=r"(core_desc[core_id].a0));
__asm__ volatile("mov %0, a1" : "=r"(core_desc[core_id].a1));
#if CONFIG_MP_MAX_NUM_CPUS == 1
/* With one core only, the memory is mapped in cache and we need to flush
* it.
*/
sys_cache_data_flush_range(&core_desc[core_id], sizeof(struct core_state));
#endif
}
static ALWAYS_INLINE void _restore_core_context(void)