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igb: implement igb_ptp_suspend

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Make igb_ptp_stop take advantage of this new function to reduce code
duplication.

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 2016-05-24 13:56:30 -07:00 committed by Jeff Kirsher
parent 4f3ce71bb8
commit e3f2350de8
2 changed files with 18 additions and 5 deletions
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1
drivers/net/ethernet/intel/igb/igb.h
View File

@ -550,6 +550,7 @@ void igb_set_fw_version(struct igb_adapter *);
void igb_ptp_init(struct igb_adapter *adapter);
void igb_ptp_stop(struct igb_adapter *adapter);
void igb_ptp_reset(struct igb_adapter *adapter);
void igb_ptp_suspend(struct igb_adapter *adapter);
void igb_ptp_rx_hang(struct igb_adapter *adapter);
void igb_ptp_rx_rgtstamp(struct igb_q_vector *q_vector, struct sk_buff *skb);
void igb_ptp_rx_pktstamp(struct igb_q_vector *q_vector, unsigned char *va,

22
drivers/net/ethernet/intel/igb/igb_ptp.c
View File

@ -1147,12 +1147,13 @@ void igb_ptp_init(struct igb_adapter *adapter)
}
/**
* igb_ptp_stop - Disable PTP device and stop the overflow check.
* @adapter: Board private structure.
* igb_ptp_suspend - Disable PTP work items and prepare for suspend
* @adapter: Board private structure
*
* This function stops the PTP support and cancels the delayed work.
**/
void igb_ptp_stop(struct igb_adapter *adapter)
* This function stops the overflow check work and PTP Tx timestamp work, and
* will prepare the device for OS suspend.
*/
void igb_ptp_suspend(struct igb_adapter *adapter)
{
if (!(adapter->ptp_flags & IGB_PTP_ENABLED))
return;
@ -1166,6 +1167,17 @@ void igb_ptp_stop(struct igb_adapter *adapter)
adapter->ptp_tx_skb = NULL;
clear_bit_unlock(__IGB_PTP_TX_IN_PROGRESS, &adapter->state);
}
}
/**
* igb_ptp_stop - Disable PTP device and stop the overflow check.
* @adapter: Board private structure.
*
* This function stops the PTP support and cancels the delayed work.
**/
void igb_ptp_stop(struct igb_adapter *adapter)
{
igb_ptp_suspend(adapter);
if (adapter->ptp_clock) {
ptp_clock_unregister(adapter->ptp_clock);