From: Andrew Lunn <andrew@lunn.ch>
To: MD Danish Anwar <danishanwar@ti.com>
Cc: Vignesh Raghavendra <vigneshr@ti.com>,
Roger Quadros <rogerq@kernel.org>,
Jacob Keller <jacob.e.keller@intel.com>,
Simon Horman <horms@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Rob Herring <robh+dt@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Jakub Kicinski <kuba@kernel.org>,
Eric Dumazet <edumazet@google.com>,
"David S. Miller" <davem@davemloft.net>,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
netdev@vger.kernel.org, srk@ti.com, r-gunasekaran@ti.com
Subject: Re: [RFC PATCH net-next 2/2] net: ti: icssg-prueth: Add support for half duplex operation
Date: Mon, 4 Sep 2023 16:17:36 +0200 [thread overview]
Message-ID: <42e8a2d1-eb7b-4157-86b9-87a9dfb93e83@lunn.ch> (raw)
In-Reply-To: <20230830113134.1226970-3-danishanwar@ti.com>
On Wed, Aug 30, 2023 at 05:01:34PM +0530, MD Danish Anwar wrote:
> This patch adds support for half duplex operation at 10M and 100M link
> speeds for AM654x/AM64x devices.
> - Driver configures rand_seed, a random number, in DMEM HD_RAND_SEED_OFFSET
> field, which will be used by firmware for Back off time calculation.
> - Driver informs FW about half duplex link operation in DMEM
> PORT_LINK_SPEED_OFFSET field by setting bit 7 for 10/100M HD.
>
> Hence, the half duplex operation depends on board design the
> "ti,half-duplex-capable" property has to be enabled for ICSS-G ports if HW
> is capable to perform half duplex.
>
> Signed-off-by: MD Danish Anwar <danishanwar@ti.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Andrew
next prev parent reply other threads:[~2023-09-04 14:17 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-30 11:31 [RFC PATCH net-next 0/2] Add Half Duplex support for ICSSG Driver MD Danish Anwar
2023-08-30 11:31 ` [RFC PATCH net-next 1/2] dt-bindings: net: Add documentation for Half duplex support MD Danish Anwar
2023-08-31 18:16 ` Rob Herring
2023-09-01 5:21 ` Md Danish Anwar
2023-09-07 12:16 ` Roger Quadros
2023-08-30 11:31 ` [RFC PATCH net-next 2/2] net: ti: icssg-prueth: Add support for half duplex operation MD Danish Anwar
2023-09-04 14:17 ` Andrew Lunn [this message]
2023-09-07 12:20 ` [RFC PATCH net-next 0/2] Add Half Duplex support for ICSSG Driver Roger Quadros
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