[PATCH net] net: stmmac: dwmac4: fix PCS duplex mode decode

Serge Semin fancer.lancer at gmail.com
Wed Jul 3 08:07:54 PDT 2024


On Wed, Jul 03, 2024 at 04:06:54PM +0200, Andrew Lunn wrote:
> On Wed, Jul 03, 2024 at 01:24:40PM +0100, Russell King (Oracle) wrote:
> > dwmac4 was decoding the duplex mode from the GMAC_PHYIF_CONTROL_STATUS
> > register incorrectly, using GMAC_PHYIF_CTRLSTATUS_LNKMOD_MASK (value 1)
> > rather than GMAC_PHYIF_CTRLSTATUS_LNKMOD (bit 16). Fix this.
> 
> This appears to be the only use of
> GMAC_PHYIF_CTRLSTATUS_LNKMOD_MASK. Maybe it should be removed after
> this change?

There is a PCS-refactoring work initiated by Russell, which besides of
other things may eventually imply dropping this macro:
https://lore.kernel.org/netdev/20240624132802.14238-6-fancer.lancer@gmail.com/
So unless it is strongly required I guess there is no much need in
respinning this patch or implementing additional one for now.

-Serge(y)

> 
> Reviewed-by: Andrew Lunn <andrew at lunn.ch>
> 
>     Andrew



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