From: Andrew Lunn <andrew@lunn.ch>
To: praneeth@ti.com
Cc: Geet Modi <geet.modi@ti.com>,
netdev@vger.kernel.org, "David S . Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] net: phy: dp83867: perform soft reset and retain established link
Date: Thu, 10 Jun 2021 06:07:25 +0200 [thread overview]
Message-ID: <YMGP/aim6CD270Yo@lunn.ch> (raw)
In-Reply-To: <20210610004342.4493-1-praneeth@ti.com>
On Wed, Jun 09, 2021 at 07:43:42PM -0500, praneeth@ti.com wrote:
> From: Praneeth Bajjuri <praneeth@ti.com>
>
> Current logic is performing hard reset and causing the programmed
> registers to be wiped out.
>
> as per datasheet: https://www.ti.com/lit/ds/symlink/dp83867cr.pdf
> 8.6.26 Control Register (CTRL)
>
> do SW_RESTART to perform a reset not including the registers,
> If performed when link is already present,
> it will drop the link and trigger re-auto negotiation.
>
> Signed-off-by: Praneeth Bajjuri <praneeth@ti.com>
> Signed-off-by: Geet Modi <geet.modi@ti.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Andrew
next prev parent reply other threads:[~2021-06-10 4:07 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-24 1:00 [PATCH] net: phy: dp83867: perform soft reset and retain established link praneeth
2021-03-24 12:32 ` Andrew Lunn
[not found] ` <404285EC-BBF0-4482-8454-3289C7AF3084@ti.com>
2021-03-31 16:35 ` [EXTERNAL] " Andrew Lunn
2021-03-31 20:36 ` [EXTERNAL] " Modi, Geet
2021-05-28 16:32 ` Bajjuri, Praneeth
2021-05-28 16:52 ` Andrew Lunn
[not found] ` <5480BEB5-B540-4BB6-AC32-65CB27439270@ti.com>
[not found] ` <EC713CBF-D669-4A0E-ADF2-093902C03C49@ti.com>
2021-06-01 19:18 ` [EXTERNAL] " Andrew Lunn
2021-06-01 23:52 ` [EXTERNAL] " Modi, Geet
2021-06-10 0:47 ` Bajjuri, Praneeth
2021-06-10 0:43 ` [PATCH v2] " praneeth
2021-06-10 4:07 ` Andrew Lunn [this message]
2021-06-10 5:53 ` Johannes Pointner
2021-06-11 17:05 ` Bajjuri, Praneeth
2021-06-14 8:17 ` Johannes Pointner
2021-06-11 17:20 ` patchwork-bot+netdevbpf
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