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Wed, 25 Dec 2024 08:21:28 +0000 Received: from DB9PR04MB8461.eurprd04.prod.outlook.com ([fe80::b1b9:faa9:901b:c197]) by DB9PR04MB8461.eurprd04.prod.outlook.com ([fe80::b1b9:faa9:901b:c197%4]) with mapi id 15.20.8293.000; Wed, 25 Dec 2024 08:21:28 +0000 From: "Peng Fan (OSS)" Date: Wed, 25 Dec 2024 16:20:45 +0800 Subject: [PATCH 2/4] firmware: arm_scmi: bus: Bypass setting fwnode for pinctrl Message-Id: <20241225-scmi-fwdevlink-v1-2-e9a3a5341362@nxp.com> References: <20241225-scmi-fwdevlink-v1-0-e9a3a5341362@nxp.com> In-Reply-To: <20241225-scmi-fwdevlink-v1-0-e9a3a5341362@nxp.com> To: Sudeep Holla , Cristian Marussi , Greg Kroah-Hartman , Saravana Kannan , Linus Walleij , Dong Aisheng , Fabio Estevam , Shawn Guo , Jacky Bai , Pengutronix Kernel Team , Sascha Hauer Cc: arm-scmi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, imx@lists.linux.dev, Peng Fan X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1735114854; 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If both drivers are built in, and the scmi device with name "pinctrl-imx" is created earlier, and the fwnode device points to the scmi device, non-i.MX platforms will never have the pinctrl supplier ready. So bypass setting fwnode for scmi pinctrl devices that non compatible with socs. Signed-off-by: Peng Fan --- drivers/firmware/arm_scmi/bus.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/firmware/arm_scmi/bus.c b/drivers/firmware/arm_scmi/bus.c index 12190d4dabb65484543044b4424fbe3b67245466..87665b09c8ff492953c8300f80ed73eab6cce4fd 100644 --- a/drivers/firmware/arm_scmi/bus.c +++ b/drivers/firmware/arm_scmi/bus.c @@ -345,6 +345,11 @@ static void __scmi_device_destroy(struct scmi_device *scmi_dev) device_unregister(&scmi_dev->dev); } +static const char * const scmi_pinctrl_imx_lists[] = { + "fsl,imx95", + NULL +}; + static int __scmi_device_set_node(struct scmi_device *scmi_dev, struct device_node *np, int protocol, const char *name) @@ -353,6 +358,15 @@ __scmi_device_set_node(struct scmi_device *scmi_dev, struct device_node *np, if ((protocol == SCMI_PROTOCOL_PERF) && !strcmp(name, "cpufreq")) return 0; + if (protocol == SCMI_PROTOCOL_PINCTRL) { + if (!strcmp(name, "pinctrl") && + of_machine_compatible_match(scmi_pinctrl_imx_lists)) + return 0; + if (!strcmp(name, "pinctrl-imx") && + !of_machine_compatible_match(scmi_pinctrl_imx_lists)) + return 0; + } + device_set_node(&scmi_dev->dev, of_fwnode_handle(np)); return 0;