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| author | Mika Westerberg <mika.westerberg@linux.intel.com> | 2020-11-26 12:52:43 +0300 |
|---|---|---|
| committer | Mika Westerberg <mika.westerberg@linux.intel.com> | 2021-01-11 17:15:42 +0300 |
| commit | fdb0887c5a87c3a98958d3c5c90f871aa6d1a562 (patch) | |
| tree | 4dbc78d44f23e68a2af3debe0532dc1635f6663a /drivers/thunderbolt/tb_regs.h | |
| parent | 6889e00f0e138beeb775e38decf59959b079ae6f (diff) | |
| download | lwn-fdb0887c5a87c3a98958d3c5c90f871aa6d1a562.tar.gz lwn-fdb0887c5a87c3a98958d3c5c90f871aa6d1a562.zip | |
thunderbolt: Start lane initialization after sleep
USB4 spec says that for TBT3 compatible device routers the connection
manager needs to set SLI (Start Lane Initialization) to get the lanes
that were not connected back to functional state after sleep. Same needs
to be done if the link was XDomain.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Yehezkel Bernat <YehezkelShB@gmail.com>
Diffstat (limited to 'drivers/thunderbolt/tb_regs.h')
| -rw-r--r-- | drivers/thunderbolt/tb_regs.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/thunderbolt/tb_regs.h b/drivers/thunderbolt/tb_regs.h index ae427a953489..626751e06292 100644 --- a/drivers/thunderbolt/tb_regs.h +++ b/drivers/thunderbolt/tb_regs.h @@ -464,6 +464,7 @@ struct tb_regs_hop { #define TB_LC_SX_CTRL_L1D BIT(17) #define TB_LC_SX_CTRL_L2C BIT(20) #define TB_LC_SX_CTRL_L2D BIT(21) +#define TB_LC_SX_CTRL_SLI BIT(29) #define TB_LC_SX_CTRL_UPSTREAM BIT(30) #define TB_LC_SX_CTRL_SLP BIT(31) |