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igb: restore PPS signal on igb_ptp_reset

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When a reset occurs, the PPS SYS_WRAP interrupt was not re-enabled which
resulted in disabling of the PPS signaling. Fix this by recording when
the interrupt is on and ensuring that we re-enable it every time we
reset.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Jacob Keller
2016-09-09 09:10:51 -07:00
committed by Jeff Kirsher
parent 0742337c19
commit ac28b41aac
2 changed files with 5 additions and 1 deletions
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drivers/net/ethernet/intel/igb/igb.h
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@@ -489,6 +489,7 @@ struct igb_adapter {
struct timecounter tc;
u32 tx_hwtstamp_timeouts;
u32 rx_hwtstamp_cleared;
bool pps_sys_wrap_on;
struct ptp_pin_desc sdp_config[IGB_N_SDP];
struct {