From: Simon Horman <simon.horman@corigine.com>
To: Yan Wang <rk.code@outlook.com>
Cc: andrew@lunn.ch, hkallweit1@gmail.com, davem@davemloft.net,
edumazet@google.com, kuba@kernel.org, pabeni@redhat.com,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
linux@armlinux.org.uk
Subject: Re: [PATCH v3] net: mdiobus: Add a function to deassert reset
Date: Wed, 10 May 2023 12:03:15 +0200 [thread overview]
Message-ID: <ZFtr47e5Q9oZ73yq@corigine.com> (raw)
In-Reply-To: <KL1PR01MB5448A33A549CDAD7D68945B9E6779@KL1PR01MB5448.apcprd01.prod.exchangelabs.com>
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@outlook.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
next prev parent reply other threads:[~2023-05-10 10:03 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-10 8:15 [PATCH v3] net: mdiobus: Add a function to deassert reset Yan Wang
2023-05-10 9:52 ` kernel test robot
2023-05-10 10:03 ` Simon Horman [this message]
2023-05-10 10:22 ` Simon Horman
2023-05-10 10:30 ` Yan Wang
2023-05-10 11:36 ` kernel test robot
2023-05-10 22:15 ` Andrew Lunn
2023-05-11 3:19 ` Yan Wang
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