Re: [PATCH net v2] net: phy: broadcom: stub c45 read/write for 54810

From: Florian Fainelli
Date: Sun Aug 13 2023 - 10:58:53 EST




On 8/12/2023 9:41 PM, Justin Chen wrote:
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>
--
Florian

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