Fixed bug #1279.

git-svn-id: https://svn.code.sf.net/p/chibios/code/branches/stable_21.11.x@16440 085d63ac-f8f8-4fb4-a5e5-c089fd4f3ff4

os/hal/ports/STM32/LLD/RCCv1/stm32_lsi.inc

@@ -97,7 +97,7 @@ __STATIC_INLINE void lsi_init(void) {
 #if STM32_LSI_ENABLED
   /* LSI activation.*/
   RCC->CSR |= STM32_LSIPRE | RCC_CSR_LSION;
-  while ((RCC->CSR & RCC_CSR_LSIRDY) == 0U) {
+  while ((RCC->BDCR & RCC_CSR_LSIRDY) == 0U) {
   }
 #endif
 }

readme.txt

@@ -85,6 +85,7 @@
        DHQC.
 - NEW: Reworked STM32 SDMMCv1 and SDMMCv2 drivers, better timeout and clock
        handling, improved speed for aligned buffers.
+- FIX: Fixed wrong STM32 LSI activation check (bug #1279).
 - FIX: Fixed race condition caused by chGuardedPoolAllocI() (bug #1277).
 - FIX: Fixed avoid shadowing with build-in pow10 function in chprintf.c
        (bug #1274).