Hi Sascha, On Tue, Jun 7, 2011 at 7:45 AM, Sascha Hauer <s.hauer at pengutronix.de> wrote: ... > +static int __init imx_ipu_init(void) > +{ > + int32_t ret; > + > + ret = platform_driver_register(&imx_ipu_driver); > + return 0; Did you intend to return ret here instead? Regards, Fabio Estevam