arch/arm/stm32: fix stm32g4 enable pll code.

In the file stm32g474xxxx_rcc.c, the enable PLL code, according to the intent of the comment, wants to keep the reserved bit, but the code clears the reserved bit. Signed-off-by: jerryslhao <[email protected]>
apache · Jan 8, 2025 · 1bcaacd · 1bcaacd
1 parent fabf4a5
commit 1bcaacd
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/arch/arm/src/stm32/stm32g4xxxx_rcc.c b/arch/arm/src/stm32/stm32g4xxxx_rcc.c
@@ -702,7 +702,7 @@ static inline bool stm32_rcc_enablepll(void)
   /* Preserve reserved bits when altering the PLLCFGR register */
 
   regval = getreg32(STM32_RCC_PLLCFGR);
-  regval &= ~(RCC_PLLCFGR_RESERVED_MASK);
+  regval &= RCC_PLLCFGR_RESERVED_MASK;
 
   /* Configure PLL source and enables */