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From: "Peng Fan (OSS)" <peng.fan@oss.nxp.com>
Date: Wed, 08 May 2024 11:32:03 +0800
Subject: [PATCH v5 2/3] pinctrl: scmi: add blocklist
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Message-Id: <20240508-pinctrl-scmi-oem-v3-v5-2-6f2b167f71bc@nxp.com>
References: <20240508-pinctrl-scmi-oem-v3-v5-0-6f2b167f71bc@nxp.com>
In-Reply-To: <20240508-pinctrl-scmi-oem-v3-v5-0-6f2b167f71bc@nxp.com>
To: Sudeep Holla <sudeep.holla@arm.com>, 
 Cristian Marussi <cristian.marussi@arm.com>, Rob Herring <robh@kernel.org>, 
 Krzysztof Kozlowski <krzk+dt@kernel.org>, 
 Conor Dooley <conor+dt@kernel.org>, Shawn Guo <shawnguo@kernel.org>, 
 Sascha Hauer <s.hauer@pengutronix.de>, 
 Pengutronix Kernel Team <kernel@pengutronix.de>, 
 Fabio Estevam <festevam@gmail.com>, 
 Linus Walleij <linus.walleij@linaro.org>, 
 Dong Aisheng <aisheng.dong@nxp.com>, Jacky Bai <ping.bai@nxp.com>
Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, 
 linux-kernel@vger.kernel.org, imx@lists.linux.dev, 
 linux-gpio@vger.kernel.org, Peng Fan <peng.fan@nxp.com>
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From: Peng Fan <peng.fan@nxp.com>

i.MX95 will have its own pinctrl scmi driver, so need block
pinctrl-scmi driver for i.MX95, otherwise there will be two pinctrl
devices for a single scmi protocol@19.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 drivers/pinctrl/pinctrl-scmi.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/pinctrl/pinctrl-scmi.c b/drivers/pinctrl/pinctrl-scmi.c
index 036bc1e3fc6c..df4bbcd7d1d5 100644
--- a/drivers/pinctrl/pinctrl-scmi.c
+++ b/drivers/pinctrl/pinctrl-scmi.c
@@ -11,6 +11,7 @@
 #include <linux/errno.h>
 #include <linux/module.h>
 #include <linux/mod_devicetable.h>
+#include <linux/of.h>
 #include <linux/scmi_protocol.h>
 #include <linux/slab.h>
 #include <linux/types.h>
@@ -504,6 +505,11 @@ static int pinctrl_scmi_get_pins(struct scmi_pinctrl *pmx,
 	return 0;
 }
 
+static const char * const scmi_pinctrl_blocklist[] = {
+	"fsl,imx95",
+	NULL
+};
+
 static int scmi_pinctrl_probe(struct scmi_device *sdev)
 {
 	int ret;
@@ -515,6 +521,9 @@ static int scmi_pinctrl_probe(struct scmi_device *sdev)
 	if (!sdev->handle)
 		return -EINVAL;
 
+	if (of_machine_compatible_match(scmi_pinctrl_blocklist))
+		return -ENODEV;
+
 	handle = sdev->handle;
 
 	pinctrl_ops = handle->devm_protocol_get(sdev, SCMI_PROTOCOL_PINCTRL, &ph);

-- 
2.37.1