ACPI: platform_profile: Add device pointer into platform profile handler

In order to let platform profile handlers manage platform profile
for their driver the core code will need a pointer to the device.

Add this to the structure and use it in the trivial driver cases.

Reviewed-by: Armin Wolf <W_Armin@gmx.de>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com>
Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://lore.kernel.org/r/20241206031918.1537-4-mario.limonciello@amd.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>

drivers/platform/surface/surface_platform_profile.c

@@ -212,6 +212,7 @@ static int surface_platform_profile_probe(struct ssam_device *sdev)
 	tpd->sdev = sdev;
 
 	tpd->handler.name = "Surface Platform Profile";
+	tpd->handler.dev = &sdev->dev;
 	tpd->handler.profile_get = ssam_platform_profile_get;
 	tpd->handler.profile_set = ssam_platform_profile_set;
 

drivers/platform/x86/acer-wmi.c

@@ -1873,12 +1873,13 @@ acer_predator_v4_platform_profile_set(struct platform_profile_handler *pprof,
 	return 0;
 }
 
-static int acer_platform_profile_setup(void)
+static int acer_platform_profile_setup(struct platform_device *device)
 {
 	if (quirks->predator_v4) {
 		int err;
 
 		platform_profile_handler.name = "acer-wmi";
+		platform_profile_handler.dev = &device->dev;
 		platform_profile_handler.profile_get =
 			acer_predator_v4_platform_profile_get;
 		platform_profile_handler.profile_set =
@@ -2531,7 +2532,7 @@ static int acer_platform_probe(struct platform_device *device)
 		goto error_rfkill;
 
 	if (has_cap(ACER_CAP_PLATFORM_PROFILE)) {
-		err = acer_platform_profile_setup();
+		err = acer_platform_profile_setup(device);
 		if (err)
 			goto error_platform_profile;
 	}

drivers/platform/x86/amd/pmf/sps.c

@@ -406,6 +406,7 @@ int amd_pmf_init_sps(struct amd_pmf_dev *dev)
 	}
 
 	dev->pprof.name = "amd-pmf";
+	dev->pprof.dev = dev->dev;
 	dev->pprof.profile_get = amd_pmf_profile_get;
 	dev->pprof.profile_set = amd_pmf_profile_set;
 

drivers/platform/x86/asus-wmi.c

@@ -3877,6 +3877,7 @@ static int platform_profile_setup(struct asus_wmi *asus)
 	dev_info(dev, "Using throttle_thermal_policy for platform_profile support\n");
 
 	asus->platform_profile_handler.name = "asus-wmi";
+	asus->platform_profile_handler.dev = dev;
 	asus->platform_profile_handler.profile_get = asus_wmi_platform_profile_get;
 	asus->platform_profile_handler.profile_set = asus_wmi_platform_profile_set;
 

drivers/platform/x86/dell/alienware-wmi.c

@@ -1108,7 +1108,7 @@ static int thermal_profile_set(struct platform_profile_handler *pprof,
 	return wmax_thermal_control(supported_thermal_profiles[profile]);
 }
 
-static int create_thermal_profile(void)
+static int create_thermal_profile(struct platform_device *platform_device)
 {
 	u32 out_data;
 	u8 sys_desc[4];
@@ -1157,6 +1157,7 @@ static int create_thermal_profile(void)
 	pp_handler.profile_get = thermal_profile_get;
 	pp_handler.profile_set = thermal_profile_set;
 	pp_handler.name = "alienware-wmi";
+	pp_handler.dev = &platform_device->dev;
 
 	return platform_profile_register(&pp_handler);
 }
@@ -1225,7 +1226,7 @@ static int __init alienware_wmi_init(void)
 	}
 
 	if (quirks->thermal) {
-		ret = create_thermal_profile();
+		ret = create_thermal_profile(platform_device);
 		if (ret)
 			goto fail_prep_thermal_profile;
 	}

drivers/platform/x86/dell/dell-pc.c

@@ -257,6 +257,7 @@ static int thermal_init(void)
 		goto cleanup_platform_device;
 	}
 	thermal_handler->name = "dell-pc";
+	thermal_handler->dev = &platform_device->dev;
 	thermal_handler->profile_get = thermal_platform_profile_get;
 	thermal_handler->profile_set = thermal_platform_profile_set;
 

drivers/platform/x86/hp/hp-wmi.c

@@ -1565,7 +1565,7 @@ static inline void omen_unregister_powersource_event_handler(void)
 	unregister_acpi_notifier(&platform_power_source_nb);
 }
 
-static int thermal_profile_setup(void)
+static int thermal_profile_setup(struct platform_device *device)
 {
 	int err, tp;
 
@@ -1625,6 +1625,7 @@ static int thermal_profile_setup(void)
 	}
 
 	platform_profile_handler.name = "hp-wmi";
+	platform_profile_handler.dev = &device->dev;
 	set_bit(PLATFORM_PROFILE_BALANCED, platform_profile_handler.choices);
 	set_bit(PLATFORM_PROFILE_PERFORMANCE, platform_profile_handler.choices);
 
@@ -1664,7 +1665,7 @@ static int __init hp_wmi_bios_setup(struct platform_device *device)
 	if (err < 0)
 		return err;
 
-	thermal_profile_setup();
+	thermal_profile_setup(device);
 
 	return 0;
 }

drivers/platform/x86/ideapad-laptop.c

@@ -1103,6 +1103,7 @@ static int ideapad_dytc_profile_init(struct ideapad_private *priv)
 	mutex_init(&priv->dytc->mutex);
 
 	priv->dytc->pprof.name = "ideapad-laptop";
+	priv->dytc->pprof.dev = &priv->platform_device->dev;
 	priv->dytc->priv = priv;
 	priv->dytc->pprof.profile_get = dytc_profile_get;
 	priv->dytc->pprof.profile_set = dytc_profile_set;

drivers/platform/x86/inspur_platform_profile.c

@@ -178,6 +178,7 @@ static int inspur_wmi_probe(struct wmi_device *wdev, const void *context)
 	dev_set_drvdata(&wdev->dev, priv);
 
 	priv->handler.name = "inspur-wmi";
+	priv->handler.dev = &wdev->dev;
 	priv->handler.profile_get = inspur_platform_profile_get;
 	priv->handler.profile_set = inspur_platform_profile_set;
 

drivers/platform/x86/thinkpad_acpi.c

@@ -10638,6 +10638,7 @@ static int tpacpi_dytc_profile_init(struct ibm_init_struct *iibm)
 	dbg_printk(TPACPI_DBG_INIT,
 			"DYTC version %d: thermal mode available\n", dytc_version);
 
+	dytc_profile.dev = &tpacpi_pdev->dev;
 	/* Create platform_profile structure and register */
 	err = platform_profile_register(&dytc_profile);
 	/*

include/linux/platform_profile.h

@@ -28,6 +28,7 @@ enum platform_profile_option {
 
 struct platform_profile_handler {
 	const char *name;
+	struct device *dev;
 	unsigned long choices[BITS_TO_LONGS(PLATFORM_PROFILE_LAST)];
 	int (*profile_get)(struct platform_profile_handler *pprof,
 				enum platform_profile_option *profile);