On Wed, Jun 30, 2010 at 03:47:57PM +0200, Raffaele Recalcati wrote: > + /* To be used when cpu gets clock from external pin */ > + int clk_input_pin; > + As previously indicated please say how to use this. > + default: > + printk(KERN_ERR "%s:bad clk_input_pin\n", __func__); Use dev_err().