With new interface timecounter_initialize we can initialize timecounter
fields and underlying cyclecounter together. Update igb ptp timecounter
init with this new function.
Signed-off-by: Sagar Arun Kamble <sagar.a.kam...@intel.com>
Cc: Richard Cochran <richardcoch...@gmail.com>
Cc: Jeff Kirsher <jeffrey.t.kirs...@intel.com>
Cc: intel-wired-...@lists.osuosl.org
Cc: netdev@vger.kernel.org
Cc: linux-ker...@vger.kernel.org
---
drivers/net/ethernet/intel/igb/igb.h | 4 ++++
drivers/net/ethernet/intel/igb/igb_ptp.c | 23 ++++++++++++++---------
2 files changed, 18 insertions(+), 9 deletions(-)
diff --git a/drivers/net/ethernet/intel/igb/igb.h
b/drivers/net/ethernet/intel/igb/igb.h
index 4eac4f2..4ef5632 100644
--- a/drivers/net/ethernet/intel/igb/igb.h
+++ b/drivers/net/ethernet/intel/igb/igb.h
@@ -566,6 +566,10 @@ struct igb_adapter {
unsigned int ptp_flags;
spinlock_t tmreg_lock;
struct timecounter tc;
+ u64 (*cc_read)(const struct cyclecounter *cc);
+ u64 cc_mask;
+ u32 cc_mult;
+ u32 cc_shift;
u32 tx_hwtstamp_timeouts;
u32 tx_hwtstamp_skipped;
u32 rx_hwtstamp_cleared;
diff --git a/drivers/net/ethernet/intel/igb/igb_ptp.c
b/drivers/net/ethernet/intel/igb/igb_ptp.c
index 0745eff..f6c1a8d 100644
--- a/drivers/net/ethernet/intel/igb/igb_ptp.c
+++ b/drivers/net/ethernet/intel/igb/igb_ptp.c
@@ -1126,10 +1126,10 @@ void igb_ptp_init(struct igb_adapter *adapter)
adapter->ptp_caps.gettime64 = igb_ptp_gettime_82576;
adapter->ptp_caps.settime64 = igb_ptp_settime_82576;
adapter->ptp_caps.enable = igb_ptp_feature_enable;
- adapter->tc.cc.read = igb_ptp_read_82576;
- adapter->tc.cc.mask = CYCLECOUNTER_MASK(64);
- adapter->tc.cc.mult = 1;
- adapter->tc.cc.shift = IGB_82576_TSYNC_SHIFT;
+ adapter->cc_read = igb_ptp_read_82576;
+ adapter->cc_mask = CYCLECOUNTER_MASK(64);
+ adapter->cc_mult = 1;
+ adapter->cc_shift = IGB_82576_TSYNC_SHIFT;
adapter->ptp_flags |= IGB_PTP_OVERFLOW_CHECK;
break;
case e1000_82580:
@@ -1145,10 +1145,10 @@ void igb_ptp_init(struct igb_adapter *adapter)
adapter->ptp_caps.gettime64 = igb_ptp_gettime_82576;
adapter->ptp_caps.settime64 = igb_ptp_settime_82576;
adapter->ptp_caps.enable = igb_ptp_feature_enable;
- adapter->tc.cc.read = igb_ptp_read_82580;
- adapter->tc.cc.mask = CYCLECOUNTER_MASK(IGB_NBITS_82580);
- adapter->tc.cc.mult = 1;
- adapter->tc.cc.shift = 0;
+ adapter->cc_read = igb_ptp_read_82580;
+ adapter->cc_mask = CYCLECOUNTER_MASK(IGB_NBITS_82580);
+ adapter->cc_mult = 1;
+ adapter->cc_shift = 0;
adapter->ptp_flags |= IGB_PTP_OVERFLOW_CHECK;
break;
case e1000_i210:
@@ -1289,7 +1289,12 @@ void igb_ptp_reset(struct igb_adapter *adapter)
igb_ptp_write_i210(adapter, &ts);
} else {
- timecounter_init(&adapter->tc, ktime_to_ns(ktime_get_real()));
+ timecounter_initialize(&adapter->tc,
+ adapter->cc_read,
+ adapter->cc_mask,
+ adapter->cc_mult,
+ adapter->cc_shift,
+ ktime_to_ns(ktime_get_real()));
}
out:
spin_unlock_irqrestore(&adapter->tmreg_lock, flags);
--
1.9.1
