Dear Guennadi: > You should use different IDs. Look at arch/sh/boards/mach-migor/setup.c or > arch/arm/mach-mx3/mach-pcm037.c for examples. > Thank you for your help,The above sentence gives me the answer.Today I studied the platform_device subsystem again,and understant that if you want to register platform devices who has the same name,you must give each of them a different ID.what a easy problem,but cost you so much time to interpret for me,I am so sorry. Thanks LeMin -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html