#define BCM6328_LED_SHIFT_TEST         BIT(30)
 #define BCM6328_LED_TEST               BIT(31)
 #define BCM6328_INIT_MASK              (BCM6328_SERIAL_LED_EN | \
-                                        BCM6328_SERIAL_LED_MUX  | \
+                                        BCM6328_SERIAL_LED_MUX | \
                                         BCM6328_SERIAL_LED_CLK_NPOL | \
                                         BCM6328_SERIAL_LED_DATA_PPOL | \
                                         BCM6328_SERIAL_LED_SHIFT_DIR)
        }
 
        delay = *delay_on / BCM6328_LED_INTERVAL_MS;
-       if (delay == 0)
+       if (delay == 0) {
                delay = 1;
-       else if (delay > BCM6328_LED_INTV_MASK) {
+       } else if (delay > BCM6328_LED_INTV_MASK) {
                dev_dbg(led_cdev->dev,
                        "fallback to soft blinking (delay > %ums)\n",
                        BCM6328_LED_INTV_MASK * BCM6328_LED_INTERVAL_MS);
        struct device_node *child;
        struct resource *mem_r;
        void __iomem *mem;
-       spinlock_t *lock;
+       spinlock_t *lock; /* memory lock */
        unsigned long val, *blink_leds, *blink_delay;
 
        mem_r = platform_get_resource(pdev, IORESOURCE_MEM, 0);