linux-kernel - Re: [PATCH v3] net: mdiobus: Add a function to deassert reset

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Message-ID: <ZFtr47e5Q9oZ73yq@corigine.com>
Date:   Wed, 10 May 2023 12:03:15 +0200
From:   Simon Horman <simon.horman@...igine.com>
To:     Yan Wang <rk.code@...look.com>
Cc:     andrew@...n.ch, hkallweit1@...il.com, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux@...linux.org.uk
Subject: Re: [PATCH v3] net: mdiobus: Add a function to deassert reset

On Wed, May 10, 2023 at 04:15:22PM +0800, Yan Wang wrote:
> It is possible to mount multiple sub-devices on the mido bus.
> The hardware power-on does not necessarily reset these devices.
> The device may be in an uncertain state, causing the device's ID
> to not be scanned.
> 
> So, before adding a reset to the scan, make sure the device is in
> normal working mode.
> 
> I found that the subsequent drive registers the reset pin into the
> structure of the sub-device to prevent conflicts, so release the
> reset pin.
> 
> Signed-off-by: Yan Wang <rk.code@...look.com>

Hi Yan,

v3 was posted less than 15 minutes after v2.
Please wait 24h between posting patches to give reviewers an opportunity
to review patches.

Link: https://kernel.org/doc/html/v6.1/process/maintainer-netdev.html