[PATCH v3 net] net: stmmac: dwmac4: extend timeout for VLAN Tag register busy bit check

Andrew Lunn andrew at lunn.ch
Tue Sep 24 04:49:50 PDT 2024


On Mon, Sep 23, 2024 at 03:26:02PM -0500, Shenwei Wang wrote:
> Increase the timeout for checking the busy bit of the VLAN Tag register
> from 10µs to 500ms. This change is necessary to accommodate scenarios
> where Energy Efficient Ethernet (EEE) is enabled.
> 
> Overnight testing revealed that when EEE is active, the busy bit can
> remain set for up to approximately 300ms. The new 500ms timeout provides
> a safety margin.
> 
> Fixes: ed64639bc1e0 ("net: stmmac: Add support for VLAN Rx filtering")
> Signed-off-by: Shenwei Wang <shenwei.wang at nxp.com>
> Reviewed-by: Andrew Lunn <andrew at lunn.ch>
> Reviewed-by: Serge Semin <fancer.lancer at gmail.com>

Since you are respinning

Your Signed-off-by: should come last.

	Andrew



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