diff options
| -rw-r--r-- | drivers/usb/typec/tcpm/tcpm.c | 14 | ||||
| -rw-r--r-- | include/linux/usb/tcpm.h | 1 |
2 files changed, 15 insertions, 0 deletions
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c index 50cbc52386b3..ff67553b6932 100644 --- a/drivers/usb/typec/tcpm/tcpm.c +++ b/drivers/usb/typec/tcpm/tcpm.c @@ -251,6 +251,7 @@ enum frs_typec_current { #define TCPM_FRS_EVENT BIT(3) #define TCPM_SOURCING_VBUS BIT(4) #define TCPM_PORT_CLEAN BIT(5) +#define TCPM_PORT_ERROR BIT(6) #define LOG_BUFFER_ENTRIES 1024 #define LOG_BUFFER_ENTRY_SIZE 128 @@ -5487,6 +5488,10 @@ static void tcpm_pd_event_handler(struct kthread_work *work) tcpm_set_state(port, tcpm_default_state(port), 0); } } + if (events & TCPM_PORT_ERROR) { + tcpm_log(port, "port triggering error recovery"); + tcpm_set_state(port, ERROR_RECOVERY, 0); + } spin_lock(&port->pd_event_lock); } @@ -5554,6 +5559,15 @@ bool tcpm_port_is_toggling(struct tcpm_port *port) } EXPORT_SYMBOL_GPL(tcpm_port_is_toggling); +void tcpm_port_error_recovery(struct tcpm_port *port) +{ + spin_lock(&port->pd_event_lock); + port->pd_events |= TCPM_PORT_ERROR; + spin_unlock(&port->pd_event_lock); + kthread_queue_work(port->wq, &port->event_work); +} +EXPORT_SYMBOL_GPL(tcpm_port_error_recovery); + static void tcpm_enable_frs_work(struct kthread_work *work) { struct tcpm_port *port = container_of(work, struct tcpm_port, enable_frs); diff --git a/include/linux/usb/tcpm.h b/include/linux/usb/tcpm.h index ab7ca872950b..65fac5e1f317 100644 --- a/include/linux/usb/tcpm.h +++ b/include/linux/usb/tcpm.h @@ -173,5 +173,6 @@ void tcpm_pd_hard_reset(struct tcpm_port *port); void tcpm_tcpc_reset(struct tcpm_port *port); void tcpm_port_clean(struct tcpm_port *port); bool tcpm_port_is_toggling(struct tcpm_port *port); +void tcpm_port_error_recovery(struct tcpm_port *port); #endif /* __LINUX_USB_TCPM_H */ |