diff options
Diffstat (limited to 'drivers/net/ethernet')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c | 6 | ||||
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h | 2 |
2 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c index f0aa480799ca..62a931de5b1a 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c @@ -331,7 +331,7 @@ static int bnxt_ptp_enable(struct ptp_clock_info *ptp_info, struct bnxt_ptp_cfg *ptp = container_of(ptp_info, struct bnxt_ptp_cfg, ptp_info); struct bnxt *bp = ptp->bp; - u8 pin_id; + int pin_id; int rc; switch (rq->type) { @@ -339,6 +339,8 @@ static int bnxt_ptp_enable(struct ptp_clock_info *ptp_info, /* Configure an External PPS IN */ pin_id = ptp_find_pin(ptp->ptp_clock, PTP_PF_EXTTS, rq->extts.index); + if (!TSIO_PIN_VALID(pin_id)) + return -EOPNOTSUPP; if (!on) break; rc = bnxt_ptp_cfg_pin(bp, pin_id, BNXT_PPS_PIN_PPS_IN); @@ -352,6 +354,8 @@ static int bnxt_ptp_enable(struct ptp_clock_info *ptp_info, /* Configure a Periodic PPS OUT */ pin_id = ptp_find_pin(ptp->ptp_clock, PTP_PF_PEROUT, rq->perout.index); + if (!TSIO_PIN_VALID(pin_id)) + return -EOPNOTSUPP; if (!on) break; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h index fa5f05708e6d..c3cd51e672e7 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h @@ -28,7 +28,7 @@ struct pps_pin { u8 state; }; -#define TSIO_PIN_VALID(pin) ((pin) < (BNXT_MAX_TSIO_PINS)) +#define TSIO_PIN_VALID(pin) ((pin) >= 0 && (pin) < (BNXT_MAX_TSIO_PINS)) #define EVENT_DATA2_PPS_EVENT_TYPE(data2) \ ((data2) & ASYNC_EVENT_CMPL_PPS_TIMESTAMP_EVENT_DATA2_EVENT_TYPE) |