linux-kernel - [PATCH v3 09/20] platform/x86: alienware-wmi: Add a state container for thermal control methods

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Message-ID: <20250105153019.19206-11-kuurtb@gmail.com>
Date: Sun,  5 Jan 2025 10:30:09 -0500
From: Kurt Borja <kuurtb@...il.com>
To: platform-driver-x86@...r.kernel.org
Cc: ilpo.jarvinen@...ux.intel.com,
	w_armin@....de,
	mario.limonciello@....com,
	hdegoede@...hat.com,
	Dell.Client.Kernel@...l.com,
	linux-kernel@...r.kernel.org,
	Kurt Borja <kuurtb@...il.com>,
	Armin Wolf <W_Armin@....de>
Subject: [PATCH v3 09/20] platform/x86: alienware-wmi: Add a state container for thermal control methods

Refactor all thermal control methods to use the newly defined awcc_priv
state container instead of global variables.

Reviewed-by: Armin Wolf <W_Armin@....de>
Signed-off-by: Kurt Borja <kuurtb@...il.com>
---
 drivers/platform/x86/dell/alienware-wmi.c | 50 ++++++++++++++++-------
 1 file changed, 35 insertions(+), 15 deletions(-)

diff --git a/drivers/platform/x86/dell/alienware-wmi.c b/drivers/platform/x86/dell/alienware-wmi.c
index d7b322be6c19..da8a9592b1da 100644
--- a/drivers/platform/x86/dell/alienware-wmi.c
+++ b/drivers/platform/x86/dell/alienware-wmi.c
@@ -403,6 +403,12 @@ struct wmax_u32_args {
 	u8 arg3;
 };
 
+struct awcc_priv {
+	struct wmi_device *wdev;
+	struct platform_profile_handler pp_handler;
+	enum wmax_thermal_mode supported_thermal_profiles[PLATFORM_PROFILE_LAST];
+};
+
 struct alienfx_priv {
 	struct platform_device *pdev;
 	struct led_classdev global_led;
@@ -415,9 +421,6 @@ struct alienfx_platdata {
 	struct wmi_device *wdev;
 };
 
-static struct platform_profile_handler pp_handler;
-static enum wmax_thermal_mode supported_thermal_profiles[PLATFORM_PROFILE_LAST];
-
 static u8 interface;
 
 /*
@@ -1047,6 +1050,8 @@ static int thermal_profile_get(struct platform_profile_handler *pprof,
 static int thermal_profile_set(struct platform_profile_handler *pprof,
 			       enum platform_profile_option profile)
 {
+	struct awcc_priv *priv = container_of(pprof, struct awcc_priv, pp_handler);
+
 	if (quirks->gmode) {
 		u32 gmode_status;
 		int ret;
@@ -1067,11 +1072,12 @@ static int thermal_profile_set(struct platform_profile_handler *pprof,
 		}
 	}
 
-	return wmax_thermal_control(supported_thermal_profiles[profile]);
+	return wmax_thermal_control(priv->supported_thermal_profiles[profile]);
 }
 
 static int create_thermal_profile(struct wmi_device *wdev)
 {
+	struct awcc_priv *priv = dev_get_drvdata(&wdev->dev);
 	enum platform_profile_option profile;
 	enum wmax_thermal_mode mode;
 	u8 sys_desc[4];
@@ -1101,27 +1107,41 @@ static int create_thermal_profile(struct wmi_device *wdev)
 
 		mode = out_data & WMAX_THERMAL_MODE_MASK;
 		profile = wmax_mode_to_platform_profile[mode];
-		supported_thermal_profiles[profile] = out_data;
+		priv->supported_thermal_profiles[profile] = out_data;
 
-		set_bit(profile, pp_handler.choices);
+		set_bit(profile, priv->pp_handler.choices);
 	}
 
-	if (bitmap_empty(pp_handler.choices, PLATFORM_PROFILE_LAST))
+	if (bitmap_empty(priv->pp_handler.choices, PLATFORM_PROFILE_LAST))
 		return -ENODEV;
 
 	if (quirks->gmode) {
-		supported_thermal_profiles[PLATFORM_PROFILE_PERFORMANCE] =
+		priv->supported_thermal_profiles[PLATFORM_PROFILE_PERFORMANCE] =
 			WMAX_THERMAL_MODE_GMODE;
 
-		set_bit(PLATFORM_PROFILE_PERFORMANCE, pp_handler.choices);
+		set_bit(PLATFORM_PROFILE_PERFORMANCE, priv->pp_handler.choices);
 	}
 
-	pp_handler.profile_get = thermal_profile_get;
-	pp_handler.profile_set = thermal_profile_set;
-	pp_handler.name = "alienware-wmi";
-	pp_handler.dev = &wdev->dev;
+	priv->pp_handler.profile_get = thermal_profile_get;
+	priv->pp_handler.profile_set = thermal_profile_set;
+	priv->pp_handler.name = "alienware-wmi";
+	priv->pp_handler.dev = &wdev->dev;
+
+	return devm_platform_profile_register(&priv->pp_handler);
+}
+
+static int alienware_awcc_setup(struct wmi_device *wdev)
+{
+	struct awcc_priv *priv;
+
+	priv = devm_kzalloc(&wdev->dev, sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+
+	dev_set_drvdata(&wdev->dev, priv);
+	priv->wdev = wdev;
 
-	return devm_platform_profile_register(&pp_handler);
+	return create_thermal_profile(wdev);
 }
 
 /*
@@ -1259,7 +1279,7 @@ static int wmax_wmi_probe(struct wmi_device *wdev, const void *context)
 	int ret;
 
 	if (quirks->thermal) {
-		return create_thermal_profile(wdev);
+		return alienware_awcc_setup(wdev);
 	} else {
 		ret = alienware_alienfx_setup(&pdata);
 		if (ret < 0)
-- 
2.47.1