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From: "Peng Fan (OSS)" <peng.fan@oss.nxp.com>
Date: Sun, 28 Apr 2024 13:07:50 +0800
Subject: [PATCH v3 4/6] pinctrl: scmi: export pinctrl_scmi_get_pins
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Message-Id: <20240428-pinctrl-scmi-oem-v3-v3-4-eda341eb47ed@nxp.com>
References: <20240428-pinctrl-scmi-oem-v3-v3-0-eda341eb47ed@nxp.com>
In-Reply-To: <20240428-pinctrl-scmi-oem-v3-v3-0-eda341eb47ed@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>

Add pinctrl-scmi.h to include the function prototype and 'struct
scmi_pinctrl' to export pinctrl_scmi_get_pins, so other drivers
could use it.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 drivers/pinctrl/pinctrl-scmi.c | 17 +++--------------
 drivers/pinctrl/pinctrl-scmi.h | 29 +++++++++++++++++++++++++++++
 2 files changed, 32 insertions(+), 14 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-scmi.c b/drivers/pinctrl/pinctrl-scmi.c
index 682ff595c3c7..360b813072df 100644
--- a/drivers/pinctrl/pinctrl-scmi.c
+++ b/drivers/pinctrl/pinctrl-scmi.c
@@ -21,6 +21,7 @@
 #include <linux/pinctrl/pinctrl.h>
 #include <linux/pinctrl/pinmux.h>
 
+#include "pinctrl-scmi.h"
 #include "pinctrl-utils.h"
 #include "core.h"
 #include "pinconf.h"
@@ -30,18 +31,6 @@
 /* Define num configs, if not large than 4 use stack, else use kcalloc() */
 #define SCMI_NUM_CONFIGS	4
 
-struct scmi_pinctrl {
-	struct device *dev;
-	struct scmi_protocol_handle *ph;
-	struct pinctrl_dev *pctldev;
-	struct pinctrl_desc pctl_desc;
-	struct pinfunction *functions;
-	unsigned int nr_functions;
-	struct pinctrl_pin_desc *pins;
-	unsigned int nr_pins;
-	const struct scmi_pinctrl_proto_ops *ops;
-};
-
 static int pinctrl_scmi_get_groups_count(struct pinctrl_dev *pctldev)
 {
 	struct scmi_pinctrl *pmx = pinctrl_dev_get_drvdata(pctldev);
@@ -468,8 +457,7 @@ static const struct pinconf_ops pinctrl_scmi_pinconf_ops = {
 	.pin_config_config_dbg_show = pinconf_generic_dump_config,
 };
 
-static int pinctrl_scmi_get_pins(struct scmi_pinctrl *pmx,
-				 struct pinctrl_desc *desc)
+int pinctrl_scmi_get_pins(struct scmi_pinctrl *pmx, struct pinctrl_desc *desc)
 {
 	struct pinctrl_pin_desc *pins;
 	unsigned int npins;
@@ -502,6 +490,7 @@ static int pinctrl_scmi_get_pins(struct scmi_pinctrl *pmx,
 
 	return 0;
 }
+EXPORT_SYMBOL(pinctrl_scmi_get_pins);
 
 static int scmi_pinctrl_probe(struct scmi_device *sdev)
 {
diff --git a/drivers/pinctrl/pinctrl-scmi.h b/drivers/pinctrl/pinctrl-scmi.h
new file mode 100644
index 000000000000..ae9e0be7c89e
--- /dev/null
+++ b/drivers/pinctrl/pinctrl-scmi.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2024 NXP
+ */
+
+#ifndef __DRIVERS_PINCTRL_SCMI_H
+#define __DRIVERS_PINCTRL_SCMI_H
+
+#include <linux/device.h>
+#include <linux/pinctrl/pinctrl.h>
+#include <linux/scmi_protocol.h>
+
+#include "core.h"
+
+struct scmi_pinctrl {
+	struct device *dev;
+	struct scmi_protocol_handle *ph;
+	struct pinctrl_dev *pctldev;
+	struct pinctrl_desc pctl_desc;
+	struct pinfunction *functions;
+	unsigned int nr_functions;
+	struct pinctrl_pin_desc *pins;
+	unsigned int nr_pins;
+	const struct scmi_pinctrl_proto_ops *ops;
+};
+
+int pinctrl_scmi_get_pins(struct scmi_pinctrl *pmx, struct pinctrl_desc *desc);
+
+#endif /* __DRIVERS_PINCTRL_SCMI_H */

-- 
2.37.1