Hi Peng, On Tue, Apr 19, 2016 at 5:33 AM, Peng Fan <van.freenix@xxxxxxxxx> wrote: > @@ -46,11 +48,15 @@ static int imx_ocotp_read(void *context, const void *reg, size_t reg_size, > if (count > (priv->nregs - index)) > count = priv->nregs - index; > > + clk_prepare_enable(priv->clk); clk_prepare_enable() may fail, so you should better check its return value and propagate it in the case of error. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html