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net-next v4 0/8] net: mdio: realtek-rtl9300: Add RTL83xx support Date: Tue, 21 Jul 2026 17:17:07 +0200 Message-ID: <05d501dd1924$00ac6cc0$02054640$@gmx.de> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQF6MSBcDjGj5bVFJwbcqWCWVh2Yrrc95RhQ Content-Language: de X-Provags-ID: V03:K1:YI+F3TwuBE+8lSlK+NpPg12+yJFeMzPabgcobQHrWi8MvEoXa6Y dw2x/DQwc+ZhMu7CRlb02px29KylB/u6QIRmu4QYdGTya7y81OoLcsOwFVJ3jtWNU5CM+A3 279vAqESqypeyjN2WEdnkazTKt17wRYevwPueAMpY74tQ6uPGbw4so9GZ93Pb1EqWTIZFys 87RbqLB9Y5JwCOKi/x5WQ== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:tjUXg60VqK8=;kXw41eDhrF3Wg816+eBwkq/l8TZ w4VLtlMevxRAuf7tcQXTBojbo4dSOLW+K73bgcLSbOdiYdBZGvywcNQ8q6yfNUdEOm7xf36bV Ox2tiRKM1tZNh8ykghh9dDjxThIRgWpDXCbVqMM9jqQjpfgSa7pgYb1dnyZckdRf8Y30M6ljX 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Juli 2026 08:42 > Betreff: [PATCH net-next v4 0/8] net: mdio: realtek-rtl9300: Add RTL83xx support >=20 > The Realtek Otto switch platform consists of four different series >=20 > - RTL838x aka maple : 28 port 1G Switches > - RTL839x aka cypress : 52 port 1G Switches > - RTL930x aka longan : 28 port 1G/2.5G/10G Switches > - RTL931x aka mango : 56 port 1G/2.5G/10G Switches >=20 > While the MDIO hardware polling unit and its necessity for the MAC=20 > layer was always well known, no detailed documentation was available. > For this series the MDIO bus was inspected with a logic analyzer for=20 > a better understanding how polling and kernel access interact on the=20 > bus. All this will be explained now in the driver comments. >=20 > This patch series adds support for the RTL83xx devices. For this >=20 > - Enhance device tree binding. > - Add special handling for limitations enforced by hardware polling. > These already have minor side effects on RTL93xx devices but are even > more critical for the RTL83xx hardware. > - Add RTL83xx coding. >=20 > Signed-off-by: Markus Stockhausen Gentle ping.=20