diff --git a/drivers/usb/typec/ucsi/ucsi_glink.c b/drivers/usb/typec/ucsi/ucsi_glink.c index 11b3e24e34e2b..b5a04418d4057 100644 --- a/drivers/usb/typec/ucsi/ucsi_glink.c +++ b/drivers/usb/typec/ucsi/ucsi_glink.c @@ -7,6 +7,7 @@ #include #include #include +#include #include #include #include @@ -26,6 +27,12 @@ #define UC_UCSI_WRITE_BUF_REQ 0x12 #define UC_UCSI_USBC_NOTIFY_IND 0x13 +/* + * Wakeup timeout to allow USB event notification processing to + * complete before device suspends. + */ +#define UCSI_GLINK_WAKEUP_TIMEOUT_MS 50 + struct ucsi_read_buf_req_msg { struct pmic_glink_hdr hdr; }; @@ -342,6 +349,8 @@ static void pmic_glink_ucsi_callback(const void *data, size_t len, void *priv) pmic_glink_ucsi_write_ack(ucsi, data, len); break; case UC_UCSI_USBC_NOTIFY_IND: + pm_wakeup_ws_event(ucsi->dev->power.wakeup, + UCSI_GLINK_WAKEUP_TIMEOUT_MS, true); schedule_work(&ucsi->notify_work); break; } @@ -397,6 +406,8 @@ static int pmic_glink_ucsi_probe(struct auxiliary_device *adev, ucsi->dev = dev; dev_set_drvdata(dev, ucsi); + device_init_wakeup(dev, true); + INIT_WORK(&ucsi->notify_work, pmic_glink_ucsi_notify); INIT_WORK(&ucsi->register_work, pmic_glink_ucsi_register); init_completion(&ucsi->read_ack);