diff options
Diffstat (limited to 'drivers/net/ethernet')
| -rw-r--r-- | drivers/net/ethernet/ti/cpts.c | 10 | ||||
| -rw-r--r-- | drivers/net/ethernet/ti/cpts.h | 4 |
2 files changed, 8 insertions, 6 deletions
diff --git a/drivers/net/ethernet/ti/cpts.c b/drivers/net/ethernet/ti/cpts.c index ebd413a1cf56..0c0d48e5bea4 100644 --- a/drivers/net/ethernet/ti/cpts.c +++ b/drivers/net/ethernet/ti/cpts.c @@ -245,7 +245,7 @@ static void cpts_overflow_check(struct work_struct *work) cpts_ptp_gettime(&cpts->info, &ts); pr_debug("cpts overflow check at %lld.%09lu\n", ts.tv_sec, ts.tv_nsec); - schedule_delayed_work(&cpts->overflow_work, CPTS_OVERFLOW_PERIOD); + schedule_delayed_work(&cpts->overflow_work, cpts->ov_check_period); } static int cpts_match(struct sk_buff *skb, unsigned int ptp_class, @@ -378,8 +378,7 @@ int cpts_register(struct cpts *cpts) } cpts->phc_index = ptp_clock_index(cpts->clock); - schedule_delayed_work(&cpts->overflow_work, CPTS_OVERFLOW_PERIOD); - + schedule_delayed_work(&cpts->overflow_work, cpts->ov_check_period); return 0; err_ptp: @@ -423,6 +422,11 @@ static void cpts_calc_mult_shift(struct cpts *cpts) if (maxsec > 10) maxsec = 10; + /* Calc overflow check period (maxsec / 2) */ + cpts->ov_check_period = (HZ * maxsec) / 2; + dev_info(cpts->dev, "cpts: overflow check period %lu (jiffies)\n", + cpts->ov_check_period); + if (cpts->cc.mult || cpts->cc.shift) return; diff --git a/drivers/net/ethernet/ti/cpts.h b/drivers/net/ethernet/ti/cpts.h index 5da23af7a9a6..c96eca2b1b46 100644 --- a/drivers/net/ethernet/ti/cpts.h +++ b/drivers/net/ethernet/ti/cpts.h @@ -97,9 +97,6 @@ enum { CPTS_EV_TX, /* Ethernet Transmit Event */ }; -/* This covers any input clock up to about 500 MHz. */ -#define CPTS_OVERFLOW_PERIOD (HZ * 8) - #define CPTS_FIFO_DEPTH 16 #define CPTS_MAX_EVENTS 32 @@ -127,6 +124,7 @@ struct cpts { struct list_head events; struct list_head pool; struct cpts_event pool_data[CPTS_MAX_EVENTS]; + unsigned long ov_check_period; }; void cpts_rx_timestamp(struct cpts *cpts, struct sk_buff *skb); |