Header miscdevice.h includes linux/device.h which has definations for below two forward declarations directly or indirectly: struct device; struct attribute_group; Remove these redundant forward declarations from miscdevice.h Signed-off-by: Zijun Hu <zijun.hu@oss.qualcomm.com> Link: https://lore.kernel.org/r/20250620-fix_mischar-v1-1-6c2716bbf1fa@oss.qualcomm.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>