RE: [PATCH 2/2] net: ethernet: fsl: add phy reset after clk enable option

From: Andy Duan
Date: Fri Jul 07 2017 - 03:03:36 EST


From: Richard Leitner <richard.leitner@xxxxxxxxxxx> Sent: Friday, July 07, 2017 1:51 PM
>> Since it is common issue so long as using the PHY, can you move it into smsc
>phy driver like in .smsc_phy_reset() function ?
>> And get the reset pin from phy dts node.
>
>Some more points that come into my mind:
> - The smsc_phy_reset function is registered as "soft_reset". Would it be OK to
>use nRST in it?

It is not reasonable.

> - Would it be OK to call the phy_init_hw function from within the
>smsc_phy_reset?

No, phy_init_hw() already call .drv->soft_reset().

> - IMHO I'd have to move the reset gpio binding inside the phy node then. Isn't
>that a pretty big change doing that for all PHYs/FECs? Would it be "worth" it?
>
To make the change to be common, there have big change for phy driver.
Maybe somebody can give one good suggestion/solution for it.

Andy