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authorRichard Cochran <richardcochran@gmail.com>2014-11-21 20:51:10 +0000
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2015-01-22 18:10:18 -0800
commit61d7f75f45231e4a2f2ab7d975555f55f0019800 (patch)
treed300e7edf09a859f8cd1de2d694fe2f933f01938 /drivers
parentba5b8dcdb865efaa35692516a7153dc631ba6ffa (diff)
downloadlinux-61d7f75f45231e4a2f2ab7d975555f55f0019800.tar.bz2
igb: refactor time sync interrupt handling
The code that handles the time sync interrupt is repeated in three different places. This patch refactors the identical code blocks into a single helper function. Signed-off-by: Richard Cochran <richardcochran@gmail.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/intel/igb/igb_main.c49
1 files changed, 19 insertions, 30 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index d1480f3054fe..135ac5c45abd 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -5384,6 +5384,19 @@ void igb_update_stats(struct igb_adapter *adapter,
}
}
+static void igb_tsync_interrupt(struct igb_adapter *adapter)
+{
+ struct e1000_hw *hw = &adapter->hw;
+ u32 tsicr = rd32(E1000_TSICR);
+
+ if (tsicr & E1000_TSICR_TXTS) {
+ /* acknowledge the interrupt */
+ wr32(E1000_TSICR, E1000_TSICR_TXTS);
+ /* retrieve hardware timestamp */
+ schedule_work(&adapter->ptp_tx_work);
+ }
+}
+
static irqreturn_t igb_msix_other(int irq, void *data)
{
struct igb_adapter *adapter = data;
@@ -5415,16 +5428,8 @@ static irqreturn_t igb_msix_other(int irq, void *data)
mod_timer(&adapter->watchdog_timer, jiffies + 1);
}
- if (icr & E1000_ICR_TS) {
- u32 tsicr = rd32(E1000_TSICR);
-
- if (tsicr & E1000_TSICR_TXTS) {
- /* acknowledge the interrupt */
- wr32(E1000_TSICR, E1000_TSICR_TXTS);
- /* retrieve hardware timestamp */
- schedule_work(&adapter->ptp_tx_work);
- }
- }
+ if (icr & E1000_ICR_TS)
+ igb_tsync_interrupt(adapter);
wr32(E1000_EIMS, adapter->eims_other);
@@ -6203,16 +6208,8 @@ static irqreturn_t igb_intr_msi(int irq, void *data)
mod_timer(&adapter->watchdog_timer, jiffies + 1);
}
- if (icr & E1000_ICR_TS) {
- u32 tsicr = rd32(E1000_TSICR);
-
- if (tsicr & E1000_TSICR_TXTS) {
- /* acknowledge the interrupt */
- wr32(E1000_TSICR, E1000_TSICR_TXTS);
- /* retrieve hardware timestamp */
- schedule_work(&adapter->ptp_tx_work);
- }
- }
+ if (icr & E1000_ICR_TS)
+ igb_tsync_interrupt(adapter);
napi_schedule(&q_vector->napi);
@@ -6257,16 +6254,8 @@ static irqreturn_t igb_intr(int irq, void *data)
mod_timer(&adapter->watchdog_timer, jiffies + 1);
}
- if (icr & E1000_ICR_TS) {
- u32 tsicr = rd32(E1000_TSICR);
-
- if (tsicr & E1000_TSICR_TXTS) {
- /* acknowledge the interrupt */
- wr32(E1000_TSICR, E1000_TSICR_TXTS);
- /* retrieve hardware timestamp */
- schedule_work(&adapter->ptp_tx_work);
- }
- }
+ if (icr & E1000_ICR_TS)
+ igb_tsync_interrupt(adapter);
napi_schedule(&q_vector->napi);