Re: [PATCH net-next 1/1] net: stmmac: add check for advertising linkmode request for set-eee

[Russell King (Oracle)]

On Fri, Oct 27, 2023 at 02:50:54PM +0800, Gan Yi Fang wrote:
> From: Noor Azura Ahmad Tarmizi <noor.azura.ahmad.tarmizi@xxxxxxxxx>
> 
> Add check for advertising linkmode set request with what is currently
> being supported by PHY before configuring the EEE. Unsupported setting
> will be rejected and a message will be prompted. No checking is
> required while setting the EEE to off.

Why should this functionality be specific to stmmac?

Why do we need this?

What is wrong with the checking and masking that phylib is doing?

Why should we trust the value in edata->supported provided by the user?

Sorry, but no. I see no reason that this should be done, especially
not in the stmmac driver.

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