提交 e684fa34 编写于 作者: S Shannon Nelson 提交者: Jeff Kirsher

i40e: only warn once of PTP nonsupport in 100Mbit speed

Only warn once that PTP is not supported when linked at 100Mbit.

Yes, using a static this way means that this once-only message is not
port specific, but once only for the life of the driver, regardless of
the number of ports.  That should be plenty.

Change-ID: Ie6476530056df408452e195ef06afd4f57caa4b2
Signed-off-by: NShannon Nelson <shannon.nelson@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
上级 65622ed4
......@@ -382,11 +382,17 @@ void i40e_ptp_set_increment(struct i40e_pf *pf)
incval = I40E_PTP_1GB_INCVAL;
break;
case I40E_LINK_SPEED_100MB:
dev_warn(&pf->pdev->dev,
"%s: 1588 functionality is not supported at 100 Mbps. Stopping the PHC.\n",
__func__);
{
static int warn_once;
if (!warn_once) {
dev_warn(&pf->pdev->dev,
"1588 functionality is not supported at 100 Mbps. Stopping the PHC.\n");
warn_once++;
}
incval = 0;
break;
}
case I40E_LINK_SPEED_40GB:
default:
incval = I40E_PTP_40GB_INCVAL;
......
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