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authorJacob Keller <jacob.e.keller@intel.com>2016-05-24 13:56:30 -0700
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2016-06-29 11:00:22 -0700
commite3f2350de829eb0c3349f416feed81c0a3ac0732 (patch)
tree93945e754148d5a41fd89b2b20eb4486bc923254 /drivers/net/ethernet/intel/igb
parent4f3ce71bb8d9c7591f25d3d8315249a250d208f0 (diff)
downloadlinux-e3f2350de829eb0c3349f416feed81c0a3ac0732.tar.gz
igb: implement igb_ptp_suspend
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>
Diffstat (limited to 'drivers/net/ethernet/intel/igb')
-rw-r--r--drivers/net/ethernet/intel/igb/igb.h1
-rw-r--r--drivers/net/ethernet/intel/igb/igb_ptp.c22
2 files changed, 18 insertions, 5 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb.h b/drivers/net/ethernet/intel/igb/igb.h
index 38daaaba0cdb..5387b3a96489 100644
--- a/drivers/net/ethernet/intel/igb/igb.h
+++ b/drivers/net/ethernet/intel/igb/igb.h
@@ -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,
diff --git a/drivers/net/ethernet/intel/igb/igb_ptp.c b/drivers/net/ethernet/intel/igb/igb_ptp.c
index 907c225d9b20..e61b647f5f2a 100644
--- a/drivers/net/ethernet/intel/igb/igb_ptp.c
+++ b/drivers/net/ethernet/intel/igb/igb_ptp.c
@@ -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);