__unknown4        976 drivers/thunderbolt/switch.c 	       sw->__unknown1, sw->__unknown4);
__unknown4        136 drivers/thunderbolt/tb_regs.h 	u32 __unknown4;
__unknown4        167 drivers/thunderbolt/tb_regs.h 	u32 __unknown4:16;
__unknown4        206 drivers/thunderbolt/tb_regs.h 	u32 __unknown4:10;