On sparc64:
                                                                                                           
drivers/cpufreq/cpufreq.c: In function `cpufreq_add_dev':
drivers/cpufreq/cpufreq.c:394: warning: cast to pointer from integer of different size
drivers/cpufreq/cpufreq.c: In function `handle_update':
drivers/cpufreq/cpufreq.c:507: warning: cast from pointer to integer of different size