From: Andrew Lunn <andrew@lunn.ch>
To: Shenwei Wang <shenwei.wang@nxp.com>
Cc: Arnaud POULIQUEN <arnaud.pouliquen@foss.st.com>,
Linus Walleij <linusw@kernel.org>,
Bartosz Golaszewski <brgl@kernel.org>,
Jonathan Corbet <corbet@lwn.net>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Bjorn Andersson <andersson@kernel.org>,
Mathieu Poirier <mathieu.poirier@linaro.org>,
Frank Li <frank.li@nxp.com>,
Sascha Hauer <s.hauer@pengutronix.de>,
Shuah Khan <skhan@linuxfoundation.org>,
"linux-gpio@vger.kernel.org" <linux-gpio@vger.kernel.org>,
"linux-doc@vger.kernel.org" <linux-doc@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>, Peng Fan <peng.fan@nxp.com>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-remoteproc@vger.kernel.org"
<linux-remoteproc@vger.kernel.org>,
"imx@lists.linux.dev" <imx@lists.linux.dev>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
dl-linux-imx <linux-imx@nxp.com>,
Bartosz Golaszewski <brgl@bgdev.pl>
Subject: Re: [PATCH v8 3/4] gpio: rpmsg: add generic rpmsg GPIO driver
Date: Tue, 24 Feb 2026 19:26:39 +0100 [thread overview]
Message-ID: <063dc2bf-8b01-45b6-822a-524f4e7c504d@lunn.ch> (raw)
In-Reply-To: <PAXPR04MB9185F1A67384E4886282227A8974A@PAXPR04MB9185.eurprd04.prod.outlook.com>
> Regarding type, it’s needed, especially for the in packets. There are two distinct kinds of incoming
> packets: notification‑in and reply‑in. Because of that differences, Combining cmd and type would
> blur that distinction and complicate the implementation.
[Goes and looks at gpio-virtio]
https://elixir.bootlin.com/linux/v6.19.3/source/include/uapi/linux/virtio_gpio.h#L13
/* Virtio GPIO request types */
#define VIRTIO_GPIO_MSG_GET_NAMES 0x0001
#define VIRTIO_GPIO_MSG_GET_DIRECTION 0x0002
#define VIRTIO_GPIO_MSG_SET_DIRECTION 0x0003
#define VIRTIO_GPIO_MSG_GET_VALUE 0x0004
#define VIRTIO_GPIO_MSG_SET_VALUE 0x0005
#define VIRTIO_GPIO_MSG_IRQ_TYPE 0x0006
Andrew
next prev parent reply other threads:[~2026-02-24 18:26 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-12 21:36 [PATCH v8 0/4] Enable Remote GPIO over RPMSG on i.MX Platform Shenwei Wang
2026-02-12 21:36 ` [PATCH v8 1/4] docs: driver-api: gpio: rpmsg gpio driver over rpmsg bus Shenwei Wang
2026-02-12 21:36 ` [PATCH v8 2/4] dt-bindings: remoteproc: imx_rproc: Add "rpmsg" subnode support Shenwei Wang
2026-02-12 21:36 ` [PATCH v8 3/4] gpio: rpmsg: add generic rpmsg GPIO driver Shenwei Wang
2026-02-18 10:20 ` Bartosz Golaszewski
2026-02-18 16:28 ` Shenwei Wang
2026-02-19 9:20 ` Arnaud POULIQUEN
2026-02-19 13:26 ` Andrew Lunn
2026-02-19 14:17 ` Shenwei Wang
2026-02-19 15:25 ` Andrew Lunn
2026-02-19 16:42 ` Shenwei Wang
2026-02-19 13:42 ` Andrew Lunn
2026-02-20 9:16 ` Arnaud POULIQUEN
2026-02-20 13:48 ` Andrew Lunn
2026-02-20 16:36 ` Shenwei Wang
2026-02-20 17:45 ` Andrew Lunn
2026-02-20 18:57 ` Shenwei Wang
2026-02-20 20:21 ` Mathieu Poirier
2026-02-20 20:59 ` Andrew Lunn
2026-02-22 14:48 ` Linus Walleij
2026-02-23 14:24 ` Arnaud POULIQUEN
2026-02-23 14:42 ` Bjorn Andersson
2026-02-24 15:56 ` Shenwei Wang
2026-02-24 16:04 ` Daniel Baluta
2026-02-24 16:56 ` Shenwei Wang
2026-02-24 18:09 ` Mathieu Poirier
2026-02-24 20:16 ` Shenwei Wang
2026-02-24 20:41 ` Mathieu Poirier
2026-02-24 21:12 ` Shenwei Wang
2026-02-24 22:14 ` Andrew Lunn
2026-02-24 22:43 ` Shenwei Wang
2026-02-25 15:52 ` Bjorn Andersson
2026-02-25 17:54 ` Shenwei Wang
2026-02-25 19:43 ` Bjorn Andersson
2026-02-25 20:31 ` Shenwei Wang
2026-02-25 21:02 ` Bjorn Andersson
2026-02-27 0:00 ` Linus Walleij
2026-02-23 20:33 ` Shenwei Wang
2026-02-24 8:46 ` Arnaud POULIQUEN
2026-02-24 16:05 ` Shenwei Wang
2026-02-24 17:31 ` Andrew Lunn
2026-02-24 17:54 ` Shenwei Wang
2026-02-24 18:18 ` Andrew Lunn
2026-02-24 19:51 ` Shenwei Wang
2026-02-24 21:01 ` Andrew Lunn
2026-02-24 21:18 ` [EXT] " Shenwei Wang
2026-02-24 22:22 ` Andrew Lunn
2026-02-24 22:31 ` Shenwei Wang
2026-02-24 22:47 ` Mathieu Poirier
2026-02-25 15:18 ` Shenwei Wang
2026-02-24 18:26 ` Andrew Lunn [this message]
2026-02-24 20:33 ` Shenwei Wang
2026-02-24 9:37 ` Linus Walleij
2026-02-19 20:04 ` Shenwei Wang
2026-02-19 20:50 ` Andrew Lunn
2026-02-19 21:12 ` Shenwei Wang
2026-02-20 9:12 ` Arnaud POULIQUEN
2026-02-20 15:47 ` Shenwei Wang
2026-02-20 16:19 ` Andrew Lunn
2026-02-20 17:09 ` Shenwei Wang
2026-02-20 17:42 ` Andrew Lunn
2026-02-20 19:09 ` Shenwei Wang
2026-02-20 20:41 ` Andrew Lunn
2026-02-19 21:13 ` Shenwei Wang
2026-02-20 9:32 ` Arnaud POULIQUEN
2026-02-20 15:12 ` Shenwei Wang
2026-02-12 21:36 ` [PATCH v8 4/4] arm64: dts: imx8ulp: Add rpmsg node under imx_rproc Shenwei Wang
2026-02-20 9:18 ` [PATCH v8 0/4] Enable Remote GPIO over RPMSG on i.MX Platform Daniel Baluta
2026-02-20 15:24 ` Shenwei Wang
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