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(parent: ea318dc) | patch
e1000e: Fix tight loop implementation of systime read algorithm
authorRaanan Avargil <raanan.avargil@intel.com>
Sun, 19 Jul 2015 13:33:20 +0000 (16:33 +0300)
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>
Wed, 5 Aug 2015 23:53:48 +0000 (16:53 -0700)
commit6f68845f8675fe57e05621aec229667184864077
tree153dfbbf9c83135c0e13fbeba8e62ab093b4d8b8tree | snapshot
parentea318dca79be0543613471731bb63bed466b537fcommit | diff
e1000e: Fix tight loop implementation of systime read algorithm

Change the algorithm. Read systimel twice and check for overflow.
If there was no overflow, use the first value.
If there was an overflow, read systimeh again and use the second
systimel value.

Signed-off-by: Raanan Avargil <raanan.avargil@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
drivers/net/ethernet/intel/e1000e/netdev.c diff | blob | history
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