diff options
Diffstat (limited to 'driver/tcpm/it83xx.c')
| -rw-r--r-- | driver/tcpm/it83xx.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/driver/tcpm/it83xx.c b/driver/tcpm/it83xx.c index 3bc0c0db32..f662ad13a1 100644 --- a/driver/tcpm/it83xx.c +++ b/driver/tcpm/it83xx.c @@ -93,13 +93,12 @@ static enum tcpc_cc_voltage_status it83xx_get_cc( return cc_state; } -static void it83xx_rx_data(enum usbpd_port port, int *head, uint32_t *buf) +static int it83xx_rx_data(enum usbpd_port port, int *head, uint32_t *buf) { struct usbpd_header *p_head = (struct usbpd_header *)head; - *head = 0; if (!USBPD_IS_RX_DONE(port)) - return; + return EC_ERROR_UNKNOWN; /* store header */ *p_head = *((struct usbpd_header *)IT83XX_USBPD_RMH_BASE(port)); @@ -113,6 +112,8 @@ static void it83xx_rx_data(enum usbpd_port port, int *head, uint32_t *buf) * If clear this bit, USBPD receives next packet */ IT83XX_USBPD_MRSR(port) = USBPD_REG_MASK_RX_MSG_VALID; + + return EC_SUCCESS; } static enum tcpc_transmit_complete it83xx_tx_data( @@ -398,11 +399,11 @@ static int it83xx_tcpm_set_rx_enable(int port, int enable) static int it83xx_tcpm_get_message(int port, uint32_t *payload, int *head) { - it83xx_rx_data(port, head, payload); + int ret = it83xx_rx_data(port, head, payload); /* un-mask RX done interrupt */ IT83XX_USBPD_IMR(port) &= ~USBPD_REG_MASK_MSG_RX_DONE; - return EC_SUCCESS; + return ret; } static int it83xx_tcpm_transmit(int port, |