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drivers: clock_control: stm32: enable PWR clock unconditionally

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Enable PWR clock unconditionally for L4, L5 and U5
like it is done on other stm32 series

Fixes #37781

Signed-off-by: Alexandre Bourdiol <alexandre.bourdiol@st.com>
This commit is contained in:
Alexandre Bourdiol 2021-08-18 17:12:33 +02:00 • committed by Kumar Gala
commit 482198bf79
2 changed files with 7 additions and 6 deletions
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3
drivers/clock_control/clock_stm32_ll_u5.c
View file

@ -60,9 +60,10 @@ static void config_pll_init(LL_UTILS_PLLInitTypeDef *pllinit)
*/ */
void config_enable_default_clocks(void) void config_enable_default_clocks(void)
{ {
#if STM32_LSE_CLOCK /* Enable the power interface clock */
LL_AHB3_GRP1_EnableClock(LL_AHB3_GRP1_PERIPH_PWR); LL_AHB3_GRP1_EnableClock(LL_AHB3_GRP1_PERIPH_PWR);
#if STM32_LSE_CLOCK
if (!LL_PWR_IsEnabledBkUpAccess()) { if (!LL_PWR_IsEnabledBkUpAccess()) {
/* Enable write access to Backup domain */ /* Enable write access to Backup domain */
LL_PWR_EnableBkUpAccess(); LL_PWR_EnableBkUpAccess();

10
drivers/clock_control/clock_stm32l4_l5_wb_wl.c
View file

@ -48,6 +48,11 @@ void config_pll_init(LL_UTILS_PLLInitTypeDef *pllinit)
*/ */
void config_enable_default_clocks(void) void config_enable_default_clocks(void)
{ {
#ifdef LL_APB1_GRP1_PERIPH_PWR
/* Enable the power interface clock */
LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_PWR);
#endif
#if STM32_LSE_CLOCK #if STM32_LSE_CLOCK
/* LSE belongs to the back-up domain, enable access.*/ /* LSE belongs to the back-up domain, enable access.*/
@ -57,11 +62,6 @@ void config_enable_default_clocks(void)
#endif #endif
z_stm32_hsem_lock(CFG_HW_RCC_SEMID, HSEM_LOCK_DEFAULT_RETRY); z_stm32_hsem_lock(CFG_HW_RCC_SEMID, HSEM_LOCK_DEFAULT_RETRY);
#ifdef LL_APB1_GRP1_PERIPH_PWR
/* Enable the power interface clock */
LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_PWR);
#endif
/* Set the DBP bit in the Power control register 1 (PWR_CR1) */ /* Set the DBP bit in the Power control register 1 (PWR_CR1) */
LL_PWR_EnableBkUpAccess(); LL_PWR_EnableBkUpAccess();
while (!LL_PWR_IsEnabledBkUpAccess()) { while (!LL_PWR_IsEnabledBkUpAccess()) {