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From: Oleksij Rempel <o.rempel@pengutronix.de>
To: Jonas Jelonek <jelonek.jonas@gmail.com>
Cc: "Kory Maincent" <kory.maincent@bootlin.com>,
	"Andrew Lunn" <andrew+netdev@lunn.ch>,
	"David S . Miller" <davem@davemloft.net>,
	"Eric Dumazet" <edumazet@google.com>,
	"Jakub Kicinski" <kuba@kernel.org>,
	"Paolo Abeni" <pabeni@redhat.com>,
	"Rob Herring" <robh@kernel.org>,
	"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
	"Conor Dooley" <conor+dt@kernel.org>,
	netdev@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	"Daniel Golle" <daniel@makrotopia.org>,
	"Bjørn Mork" <bjorn@mork.no>
Subject: Re: [PATCH net-next v7 4/4] net: pse-pd: realtek-pse-mcu: add UART transport
Date: Tue, 14 Jul 2026 11:01:36 +0200	[thread overview]
Message-ID: <alX68PwC0cRdAOSp@pengutronix.de> (raw)
In-Reply-To: <20260712192251.1413279-5-jelonek.jonas@gmail.com>

On Sun, Jul 12, 2026 at 07:22:50PM +0000, Jonas Jelonek wrote:
> Add the serdev (UART) transport for the Realtek PSE MCU core. It registers
> the MCU as a serdev device and provides the send/recv callbacks the core
> uses to exchange the 12-byte frames, receiving asynchronously via the
> serdev receive_buf callback.
> 
> The baud rate defaults to 19200 and can be overridden per board with the
> "current-speed" property.
> 
> Signed-off-by: Jonas Jelonek <jelonek.jonas@gmail.com>

...

> +static int rtpse_mcu_uart_probe(struct serdev_device *serdev)
> +{
...
> +
> +	fwnode_property_read_u32(dev_fwnode(dev), "current-speed", &speed);
> +	serdev_device_set_baudrate(serdev, speed);
> +	serdev_device_set_flow_control(serdev, false);
> +	serdev_device_set_parity(serdev, SERDEV_PARITY_NONE);

Some of this functions will return errors, it will be good to get at
least warnings, even if we decide to go with best effort initialization.

Otherwise, LGTM, with this addressed you can add my:
Acked-by: Oleksij Rempel <o.rempel@pengutronix.de>

-- 
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      reply	other threads:[~2026-07-14  9:01 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-12 19:22 [PATCH net-next v7 0/4] net: pse-pd: add Realtek PSE MCU support Jonas Jelonek
2026-07-12 19:22 ` [PATCH net-next v7 1/4] dt-bindings: net: pse-pd: add bindings for Realtek PSE MCU Jonas Jelonek
2026-07-14  8:15   ` Oleksij Rempel
2026-07-12 19:22 ` [PATCH net-next v7 2/4] net: pse-pd: add Realtek PSE MCU core Jonas Jelonek
2026-07-14  8:19   ` Oleksij Rempel
2026-07-12 19:22 ` [PATCH net-next v7 3/4] net: pse-pd: realtek-pse-mcu: add I2C transport Jonas Jelonek
2026-07-14  8:34   ` Oleksij Rempel
2026-07-12 19:22 ` [PATCH net-next v7 4/4] net: pse-pd: realtek-pse-mcu: add UART transport Jonas Jelonek
2026-07-14  9:01   ` Oleksij Rempel [this message]

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