clk: stm32: rcc_reset: Fix missing spin_lock_init()

The driver allocates the spinlock but not initialize it.
Use spin_lock_init() on it to initialize it correctly.

Fixes: 5dc9302fe14a ("clk: stm32: Introduce STM32MP13 RCC drivers (Reset Clock Controller)")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20220608021154.990347-1-weiyongjun1@huawei.com
Tested-by: Gabriel Fernandez <gabriel.fernandez@foss.st.com>
Reviewed-by: Gabriel Fernandez <gabriel.fernandez@foss.st.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

diff --git a/drivers/clk/stm32/reset-stm32.c b/drivers/clk/stm32/reset-stm32.c
index 040870130e4b8058086bf011b49aaf5a81f5a320..e89381528af99179887b2e662155697e1c283a66 100644 (file)
--- 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;