Merging upstream version 6.9.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

6 files changed, 38 insertions, 67 deletions

diff --git a/drivers/platform/x86/dell/Kconfig b/drivers/platform/x86/dell/Kconfig
index e712df67fa..bd9f445974 100644
--- a/drivers/platform/x86/dell/Kconfig
+++ b/drivers/platform/x86/dell/Kconfig
@@ -57,8 +57,6 @@ config DELL_LAPTOP
 	select POWER_SUPPLY
 	select LEDS_CLASS
 	select NEW_LEDS
-	select LEDS_TRIGGERS
-	select LEDS_TRIGGER_AUDIO
 	help
 	This driver adds support for rfkill and backlight control to Dell
 	laptops (except for some models covered by the Compal driver).
@@ -165,7 +163,6 @@ config DELL_WMI
 
 config DELL_WMI_PRIVACY
 	bool "Dell WMI Hardware Privacy Support"
-	depends on LEDS_TRIGGER_AUDIO = y || DELL_WMI = LEDS_TRIGGER_AUDIO
 	depends on DELL_WMI
 	help
 	  This option adds integration with the "Dell Hardware Privacy"
diff --git a/drivers/platform/x86/dell/dell-laptop.c b/drivers/platform/x86/dell/dell-laptop.c
index 6586438356..42f7de2b45 100644
--- a/drivers/platform/x86/dell/dell-laptop.c
+++ b/drivers/platform/x86/dell/dell-laptop.c
@@ -2252,7 +2252,6 @@ static int __init dell_init(void)
 	if (dell_smbios_find_token(GLOBAL_MIC_MUTE_DISABLE) &&
 	    dell_smbios_find_token(GLOBAL_MIC_MUTE_ENABLE) &&
 	    !dell_privacy_has_mic_mute()) {
-		micmute_led_cdev.brightness = ledtrig_audio_get(LED_AUDIO_MICMUTE);
 		ret = led_classdev_register(&platform_device->dev, &micmute_led_cdev);
 		if (ret < 0)
 			goto fail_led;
@@ -2261,7 +2260,6 @@ static int __init dell_init(void)
 
 	if (dell_smbios_find_token(GLOBAL_MUTE_DISABLE) &&
 	    dell_smbios_find_token(GLOBAL_MUTE_ENABLE)) {
-		mute_led_cdev.brightness = ledtrig_audio_get(LED_AUDIO_MUTE);
 		ret = led_classdev_register(&platform_device->dev, &mute_led_cdev);
 		if (ret < 0)
 			goto fail_backlight;
diff --git a/drivers/platform/x86/dell/dell-smbios-base.c b/drivers/platform/x86/dell/dell-smbios-base.c
index e61bfaf8b5..86b95206cb 100644
--- a/drivers/platform/x86/dell/dell-smbios-base.c
+++ b/drivers/platform/x86/dell/dell-smbios-base.c
@@ -11,6 +11,7 @@
  */
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
+#include <linux/container_of.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/capability.h>
@@ -25,11 +26,16 @@ static u32 da_supported_commands;
 static int da_num_tokens;
 static struct platform_device *platform_device;
 static struct calling_interface_token *da_tokens;
-static struct device_attribute *token_location_attrs;
-static struct device_attribute *token_value_attrs;
+static struct token_sysfs_data *token_entries;
 static struct attribute **token_attrs;
 static DEFINE_MUTEX(smbios_mutex);
 
+struct token_sysfs_data {
+	struct device_attribute location_attr;
+	struct device_attribute value_attr;
+	struct calling_interface_token *token;
+};
+
 struct smbios_device {
 	struct list_head list;
 	struct device *device;
@@ -416,47 +422,26 @@ static void __init find_tokens(const struct dmi_header *dm, void *dummy)
 	}
 }
 
-static int match_attribute(struct device *dev,
-			   struct device_attribute *attr)
-{
-	int i;
-
-	for (i = 0; i < da_num_tokens * 2; i++) {
-		if (!token_attrs[i])
-			continue;
-		if (strcmp(token_attrs[i]->name, attr->attr.name) == 0)
-			return i/2;
-	}
-	dev_dbg(dev, "couldn't match: %s\n", attr->attr.name);
-	return -EINVAL;
-}
-
 static ssize_t location_show(struct device *dev,
 			     struct device_attribute *attr, char *buf)
 {
-	int i;
+	struct token_sysfs_data *data = container_of(attr, struct token_sysfs_data, location_attr);
 
 	if (!capable(CAP_SYS_ADMIN))
 		return -EPERM;
 
-	i = match_attribute(dev, attr);
-	if (i > 0)
-		return sysfs_emit(buf, "%08x", da_tokens[i].location);
-	return 0;
+	return sysfs_emit(buf, "%08x", data->token->location);
 }
 
 static ssize_t value_show(struct device *dev,
 			  struct device_attribute *attr, char *buf)
 {
-	int i;
+	struct token_sysfs_data *data = container_of(attr, struct token_sysfs_data, value_attr);
 
 	if (!capable(CAP_SYS_ADMIN))
 		return -EPERM;
 
-	i = match_attribute(dev, attr);
-	if (i > 0)
-		return sysfs_emit(buf, "%08x", da_tokens[i].value);
-	return 0;
+	return sysfs_emit(buf, "%08x", data->token->value);
 }
 
 static struct attribute_group smbios_attribute_group = {
@@ -473,22 +458,15 @@ static int build_tokens_sysfs(struct platform_device *dev)
 {
 	char *location_name;
 	char *value_name;
-	size_t size;
 	int ret;
 	int i, j;
 
-	/* (number of tokens  + 1 for null terminated */
-	size = sizeof(struct device_attribute) * (da_num_tokens + 1);
-	token_location_attrs = kzalloc(size, GFP_KERNEL);
-	if (!token_location_attrs)
+	token_entries = kcalloc(da_num_tokens, sizeof(*token_entries), GFP_KERNEL);
+	if (!token_entries)
 		return -ENOMEM;
-	token_value_attrs = kzalloc(size, GFP_KERNEL);
-	if (!token_value_attrs)
-		goto out_allocate_value;
 
 	/* need to store both location and value + terminator*/
-	size = sizeof(struct attribute *) * ((2 * da_num_tokens) + 1);
-	token_attrs = kzalloc(size, GFP_KERNEL);
+	token_attrs = kcalloc((2 * da_num_tokens) + 1, sizeof(*token_attrs), GFP_KERNEL);
 	if (!token_attrs)
 		goto out_allocate_attrs;
 
@@ -496,27 +474,32 @@ static int build_tokens_sysfs(struct platform_device *dev)
 		/* skip empty */
 		if (da_tokens[i].tokenID == 0)
 			continue;
+
+		token_entries[i].token = &da_tokens[i];
+
 		/* add location */
 		location_name = kasprintf(GFP_KERNEL, "%04x_location",
 					  da_tokens[i].tokenID);
 		if (location_name == NULL)
 			goto out_unwind_strings;
-		sysfs_attr_init(&token_location_attrs[i].attr);
-		token_location_attrs[i].attr.name = location_name;
-		token_location_attrs[i].attr.mode = 0444;
-		token_location_attrs[i].show = location_show;
-		token_attrs[j++] = &token_location_attrs[i].attr;
+
+		sysfs_attr_init(&token_entries[i].location_attr.attr);
+		token_entries[i].location_attr.attr.name = location_name;
+		token_entries[i].location_attr.attr.mode = 0444;
+		token_entries[i].location_attr.show = location_show;
+		token_attrs[j++] = &token_entries[i].location_attr.attr;
 
 		/* add value */
 		value_name = kasprintf(GFP_KERNEL, "%04x_value",
 				       da_tokens[i].tokenID);
 		if (value_name == NULL)
 			goto loop_fail_create_value;
-		sysfs_attr_init(&token_value_attrs[i].attr);
-		token_value_attrs[i].attr.name = value_name;
-		token_value_attrs[i].attr.mode = 0444;
-		token_value_attrs[i].show = value_show;
-		token_attrs[j++] = &token_value_attrs[i].attr;
+
+		sysfs_attr_init(&token_entries[i].value_attr.attr);
+		token_entries[i].value_attr.attr.name = value_name;
+		token_entries[i].value_attr.attr.mode = 0444;
+		token_entries[i].value_attr.show = value_show;
+		token_attrs[j++] = &token_entries[i].value_attr.attr;
 		continue;
 
 loop_fail_create_value:
@@ -532,14 +515,12 @@ loop_fail_create_value:
 
 out_unwind_strings:
 	while (i--) {
-		kfree(token_location_attrs[i].attr.name);
-		kfree(token_value_attrs[i].attr.name);
+		kfree(token_entries[i].location_attr.attr.name);
+		kfree(token_entries[i].value_attr.attr.name);
 	}
 	kfree(token_attrs);
 out_allocate_attrs:
-	kfree(token_value_attrs);
-out_allocate_value:
-	kfree(token_location_attrs);
+	kfree(token_entries);
 
 	return -ENOMEM;
 }
@@ -551,12 +532,11 @@ static void free_group(struct platform_device *pdev)
 	sysfs_remove_group(&pdev->dev.kobj,
 				&smbios_attribute_group);
 	for (i = 0; i < da_num_tokens; i++) {
-		kfree(token_location_attrs[i].attr.name);
-		kfree(token_value_attrs[i].attr.name);
+		kfree(token_entries[i].location_attr.attr.name);
+		kfree(token_entries[i].value_attr.attr.name);
 	}
 	kfree(token_attrs);
-	kfree(token_value_attrs);
-	kfree(token_location_attrs);
+	kfree(token_entries);
 }
 
 static int __init dell_smbios_init(void)
diff --git a/drivers/platform/x86/dell/dell-wmi-ddv.c b/drivers/platform/x86/dell/dell-wmi-ddv.c
index db1e9240dd..0b2299f7a2 100644
--- a/drivers/platform/x86/dell/dell-wmi-ddv.c
+++ b/drivers/platform/x86/dell/dell-wmi-ddv.c
@@ -882,6 +882,7 @@ static struct wmi_driver dell_wmi_ddv_driver = {
 	},
 	.id_table = dell_wmi_ddv_id_table,
 	.probe = dell_wmi_ddv_probe,
+	.no_singleton = true,
 };
 module_wmi_driver(dell_wmi_ddv_driver);
 
diff --git a/drivers/platform/x86/dell/dell-wmi-privacy.c b/drivers/platform/x86/dell/dell-wmi-privacy.c
index c517bd45dd..4b65e1655d 100644
--- a/drivers/platform/x86/dell/dell-wmi-privacy.c
+++ b/drivers/platform/x86/dell/dell-wmi-privacy.c
@@ -288,7 +288,6 @@ static int dell_privacy_leds_setup(struct device *dev)
 	priv->cdev.max_brightness = 1;
 	priv->cdev.brightness_set_blocking = dell_privacy_micmute_led_set;
 	priv->cdev.default_trigger = "audio-micmute";
-	priv->cdev.brightness = ledtrig_audio_get(LED_AUDIO_MICMUTE);
 	return devm_led_classdev_register(dev, &priv->cdev);
 }
 
@@ -298,10 +297,6 @@ static int dell_privacy_wmi_probe(struct wmi_device *wdev, const void *context)
 	struct key_entry *keymap;
 	int ret, i, j;
 
-	ret = wmi_has_guid(DELL_PRIVACY_GUID);
-	if (!ret)
-		pr_debug("Unable to detect available Dell privacy devices!\n");
-
 	priv = devm_kzalloc(&wdev->dev, sizeof(*priv), GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;
diff --git a/drivers/platform/x86/dell/dell-wmi-sysman/sysman.c b/drivers/platform/x86/dell/dell-wmi-sysman/sysman.c
index b929b4f824..9def7983d7 100644
--- a/drivers/platform/x86/dell/dell-wmi-sysman/sysman.c
+++ b/drivers/platform/x86/dell/dell-wmi-sysman/sysman.c
@@ -25,7 +25,7 @@ struct wmi_sysman_priv wmi_priv = {
 /* reset bios to defaults */
 static const char * const reset_types[] = {"builtinsafe", "lastknowngood", "factory", "custom"};
 static int reset_option = -1;
-static struct class *fw_attr_class;
+static const struct class *fw_attr_class;
 
 
 /**