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dp: tx: Re-enable link after the training pattern disabled.

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Even if link training succeeds, sometimes, the link will fall if the link is
enabled prior to the training pattern being turned off.

Signed-off-by: Andrei-Liviu Simion <andrei.simion@xilinx.com>
This commit is contained in:
Andrei-Liviu Simion 2015-02-11 13:15:05 -07:00 • committed by Nava kishore Manne
parent 332ba9d225
commit f016a6d3cd
1 changed files with 5 additions and 5 deletions
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10
XilinxProcessorIPLib/drivers/dp/src/xdp.c
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@ -400,11 +400,6 @@ u32 XDp_TxEstablishLink(XDp *InstancePtr)
/* Train main link. */
Status = XDp_TxRunTraining(InstancePtr);
/* Reenable main link after training if required. */
if (ReenableMainLink != 0) {
XDp_TxEnableMainLink(InstancePtr);
}
/* Turn off the training pattern and enable scrambler. */
Status2 = XDp_TxSetTrainingPattern(InstancePtr,
XDP_TX_TRAINING_PATTERN_SET_OFF);
@ -412,6 +407,11 @@ u32 XDp_TxEstablishLink(XDp *InstancePtr)
return XST_FAILURE;
}
/* Reenable main link after training if required. */
if (ReenableMainLink) {
XDp_TxEnableMainLink(InstancePtr);
}
return XST_SUCCESS;
}