intel_adsp: ace: call soc_num_cpus_init early

Restore order of execution. Code that was run in EARLY init level is now too late. Signed-off-by: Anas Nashif <[email protected]>
zephyrproject-rtos · Aug 5, 2024 · dbdcb4e · dbdcb4e
1 parent 72995d3
commit dbdcb4e
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Showing 2 changed files with 8 additions and 3 deletions.
diff --git a/arch/xtensa/core/prep_c.c b/arch/xtensa/core/prep_c.c
@@ -8,6 +8,9 @@
 
 extern FUNC_NORETURN void z_cstart(void);
 
+/* defined by the SoC in case of CONFIG_SOC_HAS_RUNTIME_NUM_CPUS=y */
+extern void soc_num_cpus_init(void);
+
 /**
  *
  * @brief Prepare to and run C code
@@ -17,6 +20,10 @@ extern FUNC_NORETURN void z_cstart(void);
  */
 void z_prep_c(void)
 {
+#if CONFIG_SOC_HAS_RUNTIME_NUM_CPUS
+	soc_num_cpus_init();
+#endif
+
 	_cpu_t *cpu0 = &_kernel.cpus[0];
 
 #ifdef CONFIG_KERNEL_COHERENCE

diff --git a/soc/intel/intel_adsp/ace/multiprocessing.c b/soc/intel/intel_adsp/ace/multiprocessing.c
@@ -73,15 +73,13 @@ static void ipc_isr(void *arg)
 
 unsigned int soc_num_cpus;
 
-static __imr int soc_num_cpus_init(void)
+__imr void soc_num_cpus_init(void)
 {
 	/* Need to set soc_num_cpus early to arch_num_cpus() works properly */
 	soc_num_cpus = ((sys_read32(DFIDCCP) >> CAP_INST_SHIFT) & CAP_INST_MASK) + 1;
 	soc_num_cpus = MIN(CONFIG_MP_MAX_NUM_CPUS, soc_num_cpus);
 
-	return 0;
 }
-SYS_INIT(soc_num_cpus_init, EARLY, 1);
 
 void soc_mp_init(void)
 {