Checks
Context | Check | Description |
---|---|---|
ci/checkpatch | success | coding style OK |
Commit Message
Qi Zhang
Aug. 15, 2022, 7:32 a.m. UTC
PTP HW semaphore can be held for ~50 ms in worst case. SW should wait longer and check more frequently if the HW lock is held. Signed-off-by: Karol Kolacinski <karol.kolacinski@intel.com> Signed-off-by: Qi Zhang <qi.z.zhang@intel.com> --- drivers/net/ice/base/ice_ptp_hw.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ice/base/ice_ptp_hw.c b/drivers/net/ice/base/ice_ptp_hw.c index f5ebf5f328..974c96f60c 100644 --- a/drivers/net/ice/base/ice_ptp_hw.c +++ b/drivers/net/ice/base/ice_ptp_hw.c @@ -4844,18 +4844,18 @@ bool ice_ptp_lock(struct ice_hw *hw) u32 hw_lock; int i; -#define MAX_TRIES 5 +#define MAX_TRIES 15 for (i = 0; i < MAX_TRIES; i++) { hw_lock = rd32(hw, PFTSYN_SEM + (PFTSYN_SEM_BYTES * hw->pf_id)); hw_lock = hw_lock & PFTSYN_SEM_BUSY_M; if (hw_lock) { /* Somebody is holding the lock */ - ice_msec_delay(10, true); + ice_msec_delay(5, true); continue; - } else { - break; } + + break; } return !hw_lock;