From: Jose Abreu
Date: Fri, 9 Aug 2019 20:36:09 +0200
> + void __iomem *ioaddr = hw->pcsr;
> + int count = 0;
> + u32 value;
> +
> + do {
> + if (readl_poll_timeout_atomic(ioaddr + XGMAC_TIMESTAMP_STATUS,
> + value, value & XG
TX Timestamp in XGMAC comes from MAC instead of descriptors. Implement
this in a new callback.
Also, RX Timestamp in XGMAC must be cheked against corruption and we need
a barrier to make sure that descriptor fields are read correctly.
Signed-off-by: Jose Abreu
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.../net/ethernet/stmicro/stmma
