The driver allocates the spinlock but not initialize it. Use spin_lock_init() on it to initialize it correctly. Fixes: 637cee5ffc71 ("clk: stm32: Introduce STM32MP13 RCC drivers (Reset Clock Controller)") Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx> --- drivers/clk/stm32/reset-stm32.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/clk/stm32/reset-stm32.c b/drivers/clk/stm32/reset-stm32.c index 040870130e4b..e89381528af9 100644 --- a/drivers/clk/stm32/reset-stm32.c +++ b/drivers/clk/stm32/reset-stm32.c @@ -111,6 +111,7 @@ int stm32_rcc_reset_init(struct device *dev, const struct of_device_id *match, if (!reset_data) return -ENOMEM; + spin_lock_init(&reset_data->lock); reset_data->membase = base; reset_data->rcdev.owner = THIS_MODULE; reset_data->rcdev.ops = &stm32_reset_ops;