diff options
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e.h | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_ptp.c | 20 |
2 files changed, 8 insertions, 14 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h index 60dbb5b90e1a..21f2bb321cb4 100644 --- a/drivers/net/ethernet/intel/i40e/i40e.h +++ b/drivers/net/ethernet/intel/i40e/i40e.h @@ -430,7 +430,7 @@ struct i40e_pf { struct sk_buff *ptp_tx_skb; struct hwtstamp_config tstamp_config; unsigned long last_rx_ptp_check; - spinlock_t tmreg_lock; /* Used to protect the device time registers. */ + struct mutex tmreg_lock; /* Used to protect the SYSTIME registers. */ u64 ptp_base_adj; u32 tx_hwtstamp_timeouts; u32 rx_hwtstamp_cleared; diff --git a/drivers/net/ethernet/intel/i40e/i40e_ptp.c b/drivers/net/ethernet/intel/i40e/i40e_ptp.c index f1feceab758a..177b7fb606af 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_ptp.c +++ b/drivers/net/ethernet/intel/i40e/i40e_ptp.c @@ -159,16 +159,15 @@ static int i40e_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta) { struct i40e_pf *pf = container_of(ptp, struct i40e_pf, ptp_caps); struct timespec64 now, then; - unsigned long flags; then = ns_to_timespec64(delta); - spin_lock_irqsave(&pf->tmreg_lock, flags); + mutex_lock(&pf->tmreg_lock); i40e_ptp_read(pf, &now); now = timespec64_add(now, then); i40e_ptp_write(pf, (const struct timespec64 *)&now); - spin_unlock_irqrestore(&pf->tmreg_lock, flags); + mutex_unlock(&pf->tmreg_lock); return 0; } @@ -184,11 +183,10 @@ static int i40e_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta) static int i40e_ptp_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts) { struct i40e_pf *pf = container_of(ptp, struct i40e_pf, ptp_caps); - unsigned long flags; - spin_lock_irqsave(&pf->tmreg_lock, flags); + mutex_lock(&pf->tmreg_lock); i40e_ptp_read(pf, ts); - spin_unlock_irqrestore(&pf->tmreg_lock, flags); + mutex_unlock(&pf->tmreg_lock); return 0; } @@ -205,11 +203,10 @@ static int i40e_ptp_settime(struct ptp_clock_info *ptp, const struct timespec64 *ts) { struct i40e_pf *pf = container_of(ptp, struct i40e_pf, ptp_caps); - unsigned long flags; - spin_lock_irqsave(&pf->tmreg_lock, flags); + mutex_lock(&pf->tmreg_lock); i40e_ptp_write(pf, ts); - spin_unlock_irqrestore(&pf->tmreg_lock, flags); + mutex_unlock(&pf->tmreg_lock); return 0; } @@ -658,10 +655,7 @@ void i40e_ptp_init(struct i40e_pf *pf) return; } - /* we have to initialize the lock first, since we can't control - * when the user will enter the PHC device entry points - */ - spin_lock_init(&pf->tmreg_lock); + mutex_init(&pf->tmreg_lock); /* ensure we have a clock device */ err = i40e_ptp_create_clock(pf); |