Re: [PATCH stable 4.14] net: phy: broadcom: stub c45 read/write for 54810

[Greg Kroah-Hartman]

On Mon, Aug 21, 2023 at 02:54:10PM -0700, Florian Fainelli wrote:
> From: Justin Chen <justin.chen@xxxxxxxxxxxx>
> 
> commit 096516d092d54604d590827d05b1022c8f326639 upstream
> 
> The 54810 does not support c45. The mmd_phy_indirect accesses return
> arbirtary values leading to odd behavior like saying it supports EEE
> when it doesn't. We also see that reading/writing these non-existent
> MMD registers leads to phy instability in some cases.
> 
> Fixes: b14995ac2527 ("net: phy: broadcom: Add BCM54810 PHY entry")
> Signed-off-by: Justin Chen <justin.chen@xxxxxxxxxxxx>
> Reviewed-by: Florian Fainelli <florian.fainelli@xxxxxxxxxxxx>
> Link: https://lore.kernel.org/r/1691901708-28650-1-git-send-email-justin.chen@xxxxxxxxxxxx
> Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
> [florian: resolved conflicts in 4.14]
> Signed-off-by: Florian Fainelli <florian.fainelli@xxxxxxxxxxxx>

Thanks for these, all now queued up.

greg k-h