From: Anders Berggren Date: Fri, 4 Feb 2011 07:32:32 +0000 (+0000) Subject: igb: fix hw timestamping X-Git-Tag: upstream/snapshot3+hdmi~11215^2~24^2~1 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=673b8b70cfae2cd0428a8ab5647571521348549a;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git igb: fix hw timestamping Hardware timestamping for Intel 82580 didn't work in either 2.6.36 or 2.6.37. Comparing it to Intel's igb-2.4.12 I found that the timecounter_init clock/counter initialization was done too early. Signed-off-by: Anders Berggren Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher --- diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index b4f92b0..5366f2a 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -106,6 +106,7 @@ static void igb_free_all_rx_resources(struct igb_adapter *); static void igb_setup_mrqc(struct igb_adapter *); static int igb_probe(struct pci_dev *, const struct pci_device_id *); static void __devexit igb_remove(struct pci_dev *pdev); +static void igb_init_hw_timer(struct igb_adapter *adapter); static int igb_sw_init(struct igb_adapter *); static int igb_open(struct net_device *); static int igb_close(struct net_device *); @@ -2048,6 +2049,9 @@ static int __devinit igb_probe(struct pci_dev *pdev, } #endif + /* do hw tstamp init after resetting */ + igb_init_hw_timer(adapter); + dev_info(&pdev->dev, "Intel(R) Gigabit Ethernet Network Connection\n"); /* print bus type/speed/width info */ dev_info(&pdev->dev, "%s: (PCIe:%s:%s) %pM\n", @@ -2384,7 +2388,6 @@ static int __devinit igb_sw_init(struct igb_adapter *adapter) return -ENOMEM; } - igb_init_hw_timer(adapter); igb_probe_vfs(adapter); /* Explicitly disable IRQ since the NIC can be in any state. */