struct clk *clk;
 
        evt = kzalloc(sizeof(*evt), GFP_KERNEL);
-       if (!evt) {
-               pr_warn("Can't allocate mtk clock event driver struct");
+       if (!evt)
                return;
-       }
 
        evt->dev.name = "mtk_tick";
        evt->dev.rating = 300;
 
        evt->gpt_base = of_io_request_and_map(node, 0, "mtk-timer");
        if (IS_ERR(evt->gpt_base)) {
-               pr_warn("Can't get resource\n");
+               pr_err("Can't get resource\n");
                return;
        }
 
        evt->dev.irq = irq_of_parse_and_map(node, 0);
        if (evt->dev.irq <= 0) {
-               pr_warn("Can't parse IRQ");
+               pr_err("Can't parse IRQ\n");
                goto err_mem;
        }
 
        clk = of_clk_get(node, 0);
        if (IS_ERR(clk)) {
-               pr_warn("Can't get timer clock");
+               pr_err("Can't get timer clock\n");
                goto err_irq;
        }
 
        if (clk_prepare_enable(clk)) {
-               pr_warn("Can't prepare clock");
+               pr_err("Can't prepare clock\n");
                goto err_clk_put;
        }
        rate = clk_get_rate(clk);
 
        if (request_irq(evt->dev.irq, mtk_timer_interrupt,
                        IRQF_TIMER | IRQF_IRQPOLL, "mtk_timer", evt)) {
-               pr_warn("failed to setup irq %d\n", evt->dev.irq);
+               pr_err("failed to setup irq %d\n", evt->dev.irq);
                goto err_clk_disable;
        }