diff options
-rw-r--r-- | chip/lm4/system.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/chip/lm4/system.c b/chip/lm4/system.c index eac0c48b0a..130fc34367 100644 --- a/chip/lm4/system.c +++ b/chip/lm4/system.c @@ -189,7 +189,7 @@ void __attribute__((section(".iram.text"))) __enter_hibernate(int hibctl) uint32_t system_get_rtc(uint32_t *ss_ptr) { uint32_t rtc, rtc2; - uint32_t rtcss; + uint32_t rtcss, rtcss2; /* * The hibernate module isn't synchronized, so need to read repeatedly @@ -198,8 +198,9 @@ uint32_t system_get_rtc(uint32_t *ss_ptr) do { rtc = LM4_HIBERNATE_HIBRTCC; rtcss = LM4_HIBERNATE_HIBRTCSS & 0x7fff; + rtcss2 = LM4_HIBERNATE_HIBRTCSS & 0x7fff; rtc2 = LM4_HIBERNATE_HIBRTCC; - } while (rtc != rtc2); + } while (rtc != rtc2 || rtcss != rtcss2); if (ss_ptr) *ss_ptr = rtcss; |