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arch/xtensa: add critical section on e-fuse bringup

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The efuse initialization requires critical section to avoid a very
hidden corner case when flash encryption is enabled.

Signed-off-by: Filipe Cavalcanti <filipe.cavalcanti@espressif.com>
This commit is contained in:
Filipe Cavalcanti
2025-10-20 15:21:15 -03:00
committed by simbit18
parent 151776f0a5
commit 8f42a6f6d7
1 changed files with 3 additions and 0 deletions
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arch/xtensa/src/common/espressif/esp_efuse.c
+3
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@@ -286,6 +286,7 @@ int esp_efuse_initialize(const char *devpath)
{
struct esp_efuse_lowerhalf_s *lower = NULL;
int ret = OK;
irqstate_t flags;
DEBUGASSERT(devpath != NULL);
@@ -293,6 +294,7 @@ int esp_efuse_initialize(const char *devpath)
/* Register the efuse upper driver */
flags = enter_critical_section();
lower->upper = efuse_register(devpath,
(struct efuse_lowerhalf_s *)lower);
@@ -312,6 +314,7 @@ int esp_efuse_initialize(const char *devpath)
esp_efuse_utility_update_virt_blocks();
#endif
leave_critical_section(flags);
return ret;
}
#endif