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| author | Ayushee <ayushee.shah@intel.com> | 2020-04-15 22:17:18 -0700 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-05-29 22:08:40 +0000 |
| commit | 87063754d48a046ad9a96149996fb3cf1e02f71c (patch) | |
| tree | 4dfd24ed76b15a4b243f74a7f1be85081a821096 /common/usb_pd_policy.c | |
| parent | 0f6844002d1dc543bd5823b2d925a5f25bd9c1de (diff) | |
| download | chrome-ec-87063754d48a046ad9a96149996fb3cf1e02f71c.tar.gz | |
BB retimer: Correct setting USB4 cable speed
For DFP, TBT/USB4_cable_speed_support is set according to
a. Discover mode SOP' response for Thunderbolt-compat mode and
b. Discover ID SOP' response for USB4 mode.
Ref: Burnside Bridge spec Table 13: Connection state register
BUG=b:152544514
BRANCH=None
TEST=make buildall -j
Signed-off-by: Ayushee <ayushee.shah@intel.com>
Change-Id: Ic031489878dab701177936ea8e2f50d434dba25b
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2152287
Reviewed-by: Keith Short <keithshort@chromium.org>
Diffstat (limited to 'common/usb_pd_policy.c')
| -rw-r--r-- | common/usb_pd_policy.c | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/common/usb_pd_policy.c b/common/usb_pd_policy.c index d85f347351..e5df19db5d 100644 --- a/common/usb_pd_policy.c +++ b/common/usb_pd_policy.c @@ -223,23 +223,6 @@ enum tbt_compat_rounded_support get_tbt_rounded_support(int port) return cable[port].cable_mode_resp.tbt_rounded; } -static enum usb_rev30_ss get_usb4_cable_speed(int port) -{ - if ((cable[port].rev == PD_REV30) && - (get_usb_pd_cable_type(port) == IDH_PTYPE_PCABLE) && - ((cable[port].attr.p_rev30.ss != USB_R30_SS_U32_U40_GEN2) || - !IS_ENABLED(CONFIG_USB_PD_TBT_GEN3_CAPABLE))) { - return cable[port].attr.p_rev30.ss; - } - - /* - * Converting Thunderolt-Compatible cable speed to equivalent USB4 cable - * speed. - */ - return cable[port].cable_mode_resp.tbt_cable_speed == TBT_SS_TBT_GEN3 ? - USB_R30_SS_U40_GEN3 : USB_R30_SS_U32_U40_GEN2; -} - uint32_t get_enter_usb_msg_payload(int port) { /* |