From 5480dfc275aa7e5f892505ce082d71635d6a22f8 Mon Sep 17 00:00:00 2001 From: Mika Westerberg Date: Wed, 9 Jan 2019 17:25:43 +0200 Subject: thunderbolt: Set sleep bit when suspending switch Thunderbolt 2 devices and beyond link controller needs to be notified when a switch is going to be suspended by setting bit 31 in LC_SX_CTRL register. Add this functionality to the software connection manager. Signed-off-by: Mika Westerberg --- drivers/thunderbolt/tb_regs.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/thunderbolt/tb_regs.h') diff --git a/drivers/thunderbolt/tb_regs.h b/drivers/thunderbolt/tb_regs.h index e0f867dad5cf..1ab6e0fb31c0 100644 --- a/drivers/thunderbolt/tb_regs.h +++ b/drivers/thunderbolt/tb_regs.h @@ -239,6 +239,7 @@ struct tb_regs_hop { /* Common link controller registers */ #define TB_LC_DESC 0x02 +#define TB_LC_DESC_NLC_MASK GENMASK(3, 0) #define TB_LC_DESC_SIZE_SHIFT 8 #define TB_LC_DESC_SIZE_MASK GENMASK(15, 8) #define TB_LC_DESC_PORT_SIZE_SHIFT 16 @@ -250,5 +251,6 @@ struct tb_regs_hop { #define TB_LC_SX_CTRL_L1C BIT(16) #define TB_LC_SX_CTRL_L2C BIT(20) #define TB_LC_SX_CTRL_UPSTREAM BIT(30) +#define TB_LC_SX_CTRL_SLP BIT(31) #endif -- cgit v1.2.3