summaryrefslogtreecommitdiff
path: root/drivers/usb/typec/mux/intel_pmc_mux.c
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-11-21 12:21:53 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-11-21 12:21:53 +0300
commit05df6ab8eba625a1d97eb67ee06d786b8e460685 (patch)
tree7fed59b7f49fd8d816475ca6b20c95c7f837ca6f /drivers/usb/typec/mux/intel_pmc_mux.c
parent1d926e259d8f8195fdfaeea7951149001894b473 (diff)
parenteb7081409f94a9a8608593d0fb63a1aa3d6f95d8 (diff)
downloadlinux-05df6ab8eba625a1d97eb67ee06d786b8e460685.tar.xz
Merge 6.1-rc6 into driver-core-next
We need the kernfs changes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/typec/mux/intel_pmc_mux.c')
-rw-r--r--drivers/usb/typec/mux/intel_pmc_mux.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/usb/typec/mux/intel_pmc_mux.c b/drivers/usb/typec/mux/intel_pmc_mux.c
index e1f4df7238bf..fdbf3694e21f 100644
--- a/drivers/usb/typec/mux/intel_pmc_mux.c
+++ b/drivers/usb/typec/mux/intel_pmc_mux.c
@@ -369,13 +369,24 @@ pmc_usb_mux_usb4(struct pmc_usb_port *port, struct typec_mux_state *state)
return pmc_usb_command(port, (void *)&req, sizeof(req));
}
-static int pmc_usb_mux_safe_state(struct pmc_usb_port *port)
+static int pmc_usb_mux_safe_state(struct pmc_usb_port *port,
+ struct typec_mux_state *state)
{
u8 msg;
if (IOM_PORT_ACTIVITY_IS(port->iom_status, SAFE_MODE))
return 0;
+ if ((IOM_PORT_ACTIVITY_IS(port->iom_status, DP) ||
+ IOM_PORT_ACTIVITY_IS(port->iom_status, DP_MFD)) &&
+ state->alt && state->alt->svid == USB_TYPEC_DP_SID)
+ return 0;
+
+ if ((IOM_PORT_ACTIVITY_IS(port->iom_status, TBT) ||
+ IOM_PORT_ACTIVITY_IS(port->iom_status, ALT_MODE_TBT_USB)) &&
+ state->alt && state->alt->svid == USB_TYPEC_TBT_SID)
+ return 0;
+
msg = PMC_USB_SAFE_MODE;
msg |= port->usb3_port << PMC_USB_MSG_USB3_PORT_SHIFT;
@@ -443,7 +454,7 @@ pmc_usb_mux_set(struct typec_mux_dev *mux, struct typec_mux_state *state)
return 0;
if (state->mode == TYPEC_STATE_SAFE)
- return pmc_usb_mux_safe_state(port);
+ return pmc_usb_mux_safe_state(port, state);
if (state->mode == TYPEC_STATE_USB)
return pmc_usb_connect(port, port->role);