Merge tag 'ib-psy-usb-types-signed' into psy-next

Changing usb_types type from array to bitmap in the power_supply_desc struct requires updating power-supply drivers living in different subsystem, so it is handled via an immutable branch. Signed-off-by: Sebastian Reichel <[email protected]>
sajibsrs · Sep 3, 2024 · 2ff28e9 · 2ff28e9
2 parents 47271a9 + 364ea7c
commit 2ff28e9
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Showing 25 changed files with 132 additions and 254 deletions.
diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power
@@ -608,7 +608,12 @@ Description:
 		the supply, for example it can show if USB-PD capable source
 		is attached.
 
-		Access: Read-Only
+		Access: For power-supplies which consume USB power such
+		as battery charger chips, this indicates the type of
+		the connected USB power source and is Read-Only.
+
+		For power-supplies which act as a USB power-source such as
+		e.g. the UCS1002 USB Port Power Controller this is writable.
 
 		Valid values:
 			      "Unknown", "SDP", "DCP", "CDP", "ACA", "C", "PD",

diff --git a/drivers/extcon/extcon-intel-cht-wc.c b/drivers/extcon/extcon-intel-cht-wc.c
@@ -461,14 +461,6 @@ static int cht_wc_extcon_psy_get_prop(struct power_supply *psy,
 	return 0;
 }
 
-static const enum power_supply_usb_type cht_wc_extcon_psy_usb_types[] = {
-	POWER_SUPPLY_USB_TYPE_SDP,
-	POWER_SUPPLY_USB_TYPE_CDP,
-	POWER_SUPPLY_USB_TYPE_DCP,
-	POWER_SUPPLY_USB_TYPE_ACA,
-	POWER_SUPPLY_USB_TYPE_UNKNOWN,
-};
-
 static const enum power_supply_property cht_wc_extcon_psy_props[] = {
 	POWER_SUPPLY_PROP_USB_TYPE,
 	POWER_SUPPLY_PROP_ONLINE,
@@ -477,8 +469,11 @@ static const enum power_supply_property cht_wc_extcon_psy_props[] = {
 static const struct power_supply_desc cht_wc_extcon_psy_desc = {
 	.name = "cht_wcove_pwrsrc",
 	.type = POWER_SUPPLY_TYPE_USB,
-	.usb_types = cht_wc_extcon_psy_usb_types,
-	.num_usb_types = ARRAY_SIZE(cht_wc_extcon_psy_usb_types),
+	.usb_types = BIT(POWER_SUPPLY_USB_TYPE_SDP) |
+		     BIT(POWER_SUPPLY_USB_TYPE_CDP) |
+		     BIT(POWER_SUPPLY_USB_TYPE_DCP) |
+		     BIT(POWER_SUPPLY_USB_TYPE_ACA) |
+		     BIT(POWER_SUPPLY_USB_TYPE_UNKNOWN),
 	.properties = cht_wc_extcon_psy_props,
 	.num_properties = ARRAY_SIZE(cht_wc_extcon_psy_props),
 	.get_property = cht_wc_extcon_psy_get_prop,

diff --git a/drivers/phy/ti/phy-tusb1210.c b/drivers/phy/ti/phy-tusb1210.c
@@ -411,12 +411,6 @@ static int tusb1210_psy_get_prop(struct power_supply *psy,
 	return 0;
 }
 
-static const enum power_supply_usb_type tusb1210_psy_usb_types[] = {
-	POWER_SUPPLY_USB_TYPE_SDP,
-	POWER_SUPPLY_USB_TYPE_DCP,
-	POWER_SUPPLY_USB_TYPE_UNKNOWN,
-};
-
 static const enum power_supply_property tusb1210_psy_props[] = {
 	POWER_SUPPLY_PROP_ONLINE,
 	POWER_SUPPLY_PROP_USB_TYPE,
@@ -426,8 +420,9 @@ static const enum power_supply_property tusb1210_psy_props[] = {
 static const struct power_supply_desc tusb1210_psy_desc = {
 	.name = "tusb1211-charger-detect",
 	.type = POWER_SUPPLY_TYPE_USB,
-	.usb_types = tusb1210_psy_usb_types,
-	.num_usb_types = ARRAY_SIZE(tusb1210_psy_usb_types),
+	.usb_types = BIT(POWER_SUPPLY_USB_TYPE_SDP) |
+		     BIT(POWER_SUPPLY_USB_TYPE_DCP) |
+		     BIT(POWER_SUPPLY_USB_TYPE_UNKNOWN),
 	.properties = tusb1210_psy_props,
 	.num_properties = ARRAY_SIZE(tusb1210_psy_props),
 	.get_property = tusb1210_psy_get_prop,

diff --git a/drivers/power/supply/axp20x_usb_power.c b/drivers/power/supply/axp20x_usb_power.c
@@ -456,13 +456,6 @@ static enum power_supply_property axp813_usb_power_properties[] = {
 	POWER_SUPPLY_PROP_USB_TYPE,
 };
 
-static enum power_supply_usb_type axp813_usb_types[] = {
-	POWER_SUPPLY_USB_TYPE_SDP,
-	POWER_SUPPLY_USB_TYPE_DCP,
-	POWER_SUPPLY_USB_TYPE_CDP,
-	POWER_SUPPLY_USB_TYPE_UNKNOWN,
-};
-
 static const struct power_supply_desc axp20x_usb_power_desc = {
 	.name = "axp20x-usb",
 	.type = POWER_SUPPLY_TYPE_USB,
@@ -491,8 +484,10 @@ static const struct power_supply_desc axp813_usb_power_desc = {
 	.property_is_writeable = axp20x_usb_power_prop_writeable,
 	.get_property = axp20x_usb_power_get_property,
 	.set_property = axp20x_usb_power_set_property,
-	.usb_types = axp813_usb_types,
-	.num_usb_types = ARRAY_SIZE(axp813_usb_types),
+	.usb_types = BIT(POWER_SUPPLY_USB_TYPE_SDP) |
+		     BIT(POWER_SUPPLY_USB_TYPE_CDP) |
+		     BIT(POWER_SUPPLY_USB_TYPE_DCP) |
+		     BIT(POWER_SUPPLY_USB_TYPE_UNKNOWN),
 };
 
 static const char * const axp20x_irq_names[] = {

diff --git a/drivers/power/supply/bq256xx_charger.c b/drivers/power/supply/bq256xx_charger.c
@@ -334,14 +334,6 @@ static const int bq25618_619_ichg_values[] = {
 	1290000, 1360000, 1430000, 1500000
 };
 
-static enum power_supply_usb_type bq256xx_usb_type[] = {
-	POWER_SUPPLY_USB_TYPE_SDP,
-	POWER_SUPPLY_USB_TYPE_CDP,
-	POWER_SUPPLY_USB_TYPE_DCP,
-	POWER_SUPPLY_USB_TYPE_UNKNOWN,
-	POWER_SUPPLY_USB_TYPE_ACA,
-};
-
 static int bq256xx_array_parse(int array_size, int val, const int array[])
 {
 	int i = 0;
@@ -1252,8 +1244,11 @@ static int bq256xx_property_is_writeable(struct power_supply *psy,
 static const struct power_supply_desc bq256xx_power_supply_desc = {
 	.name = "bq256xx-charger",
 	.type = POWER_SUPPLY_TYPE_USB,
-	.usb_types = bq256xx_usb_type,
-	.num_usb_types = ARRAY_SIZE(bq256xx_usb_type),
+	.usb_types = BIT(POWER_SUPPLY_USB_TYPE_SDP) |
+		     BIT(POWER_SUPPLY_USB_TYPE_CDP) |
+		     BIT(POWER_SUPPLY_USB_TYPE_DCP) |
+		     BIT(POWER_SUPPLY_USB_TYPE_ACA) |
+		     BIT(POWER_SUPPLY_USB_TYPE_UNKNOWN),
 	.properties = bq256xx_power_supply_props,
 	.num_properties = ARRAY_SIZE(bq256xx_power_supply_props),
 	.get_property = bq256xx_get_charger_property,

diff --git a/drivers/power/supply/cros_usbpd-charger.c b/drivers/power/supply/cros_usbpd-charger.c
@@ -73,17 +73,6 @@ static enum power_supply_property cros_usbpd_dedicated_charger_props[] = {
 	POWER_SUPPLY_PROP_VOLTAGE_NOW,
 };
 
-static enum power_supply_usb_type cros_usbpd_charger_usb_types[] = {
-	POWER_SUPPLY_USB_TYPE_UNKNOWN,
-	POWER_SUPPLY_USB_TYPE_SDP,
-	POWER_SUPPLY_USB_TYPE_DCP,
-	POWER_SUPPLY_USB_TYPE_CDP,
-	POWER_SUPPLY_USB_TYPE_C,
-	POWER_SUPPLY_USB_TYPE_PD,
-	POWER_SUPPLY_USB_TYPE_PD_DRP,
-	POWER_SUPPLY_USB_TYPE_APPLE_BRICK_ID
-};
-
 /* Input voltage/current limit in mV/mA. Default to none. */
 static u16 input_voltage_limit = EC_POWER_LIMIT_NONE;
 static u16 input_current_limit = EC_POWER_LIMIT_NONE;
@@ -643,9 +632,14 @@ static int cros_usbpd_charger_probe(struct platform_device *pd)
 			psy_desc->properties = cros_usbpd_charger_props;
 			psy_desc->num_properties =
 				ARRAY_SIZE(cros_usbpd_charger_props);
-			psy_desc->usb_types = cros_usbpd_charger_usb_types;
-			psy_desc->num_usb_types =
-				ARRAY_SIZE(cros_usbpd_charger_usb_types);
+			psy_desc->usb_types = BIT(POWER_SUPPLY_USB_TYPE_UNKNOWN) |
+					      BIT(POWER_SUPPLY_USB_TYPE_SDP)     |
+					      BIT(POWER_SUPPLY_USB_TYPE_DCP)     |
+					      BIT(POWER_SUPPLY_USB_TYPE_CDP)     |
+					      BIT(POWER_SUPPLY_USB_TYPE_C)       |
+					      BIT(POWER_SUPPLY_USB_TYPE_PD)      |
+					      BIT(POWER_SUPPLY_USB_TYPE_PD_DRP)  |
+					      BIT(POWER_SUPPLY_USB_TYPE_APPLE_BRICK_ID);
 		}
 
 		psy_desc->name = port->name;

diff --git a/drivers/power/supply/lenovo_yoga_c630_battery.c b/drivers/power/supply/lenovo_yoga_c630_battery.c
@@ -353,15 +353,10 @@ static enum power_supply_property yoga_c630_psy_adpt_properties[] = {
 	POWER_SUPPLY_PROP_USB_TYPE,
 };
 
-static const enum power_supply_usb_type yoga_c630_psy_adpt_usb_type[] = {
-	POWER_SUPPLY_USB_TYPE_C,
-};
-
 static const struct power_supply_desc yoga_c630_psy_adpt_psy_desc = {
 	.name = "yoga-c630-adapter",
 	.type = POWER_SUPPLY_TYPE_USB,
-	.usb_types = yoga_c630_psy_adpt_usb_type,
-	.num_usb_types = ARRAY_SIZE(yoga_c630_psy_adpt_usb_type),
+	.usb_types = BIT(POWER_SUPPLY_USB_TYPE_C),
 	.properties = yoga_c630_psy_adpt_properties,
 	.num_properties = ARRAY_SIZE(yoga_c630_psy_adpt_properties),
 	.get_property = yoga_c630_psy_adpt_get_property,

diff --git a/drivers/power/supply/mp2629_charger.c b/drivers/power/supply/mp2629_charger.c
@@ -94,14 +94,6 @@ struct mp2629_prop {
 	int shift;
 };
 
-static enum power_supply_usb_type mp2629_usb_types[] = {
-	POWER_SUPPLY_USB_TYPE_SDP,
-	POWER_SUPPLY_USB_TYPE_DCP,
-	POWER_SUPPLY_USB_TYPE_CDP,
-	POWER_SUPPLY_USB_TYPE_PD_DRP,
-	POWER_SUPPLY_USB_TYPE_UNKNOWN
-};
-
 static enum power_supply_property mp2629_charger_usb_props[] = {
 	POWER_SUPPLY_PROP_ONLINE,
 	POWER_SUPPLY_PROP_USB_TYPE,
@@ -487,8 +479,11 @@ static irqreturn_t mp2629_irq_handler(int irq, void *dev_id)
 static const struct power_supply_desc mp2629_usb_desc = {
 	.name		= "mp2629_usb",
 	.type		= POWER_SUPPLY_TYPE_USB,
-	.usb_types      = mp2629_usb_types,
-	.num_usb_types  = ARRAY_SIZE(mp2629_usb_types),
+	.usb_types	= BIT(POWER_SUPPLY_USB_TYPE_SDP) |
+			  BIT(POWER_SUPPLY_USB_TYPE_CDP) |
+			  BIT(POWER_SUPPLY_USB_TYPE_DCP) |
+			  BIT(POWER_SUPPLY_USB_TYPE_PD_DRP) |
+			  BIT(POWER_SUPPLY_USB_TYPE_UNKNOWN),
 	.properties	= mp2629_charger_usb_props,
 	.num_properties	= ARRAY_SIZE(mp2629_charger_usb_props),
 	.get_property	= mp2629_charger_usb_get_prop,

diff --git a/drivers/power/supply/mt6360_charger.c b/drivers/power/supply/mt6360_charger.c
@@ -154,13 +154,6 @@ enum mt6360_pmu_chg_type {
 	MT6360_CHG_TYPE_MAX,
 };
 
-static enum power_supply_usb_type mt6360_charger_usb_types[] = {
-	POWER_SUPPLY_USB_TYPE_UNKNOWN,
-	POWER_SUPPLY_USB_TYPE_SDP,
-	POWER_SUPPLY_USB_TYPE_DCP,
-	POWER_SUPPLY_USB_TYPE_CDP,
-};
-
 static int mt6360_get_chrdet_ext_stat(struct mt6360_chg_info *mci,
 					     bool *pwr_rdy)
 {
@@ -574,8 +567,10 @@ static const struct power_supply_desc mt6360_charger_desc = {
 	.get_property		= mt6360_charger_get_property,
 	.set_property		= mt6360_charger_set_property,
 	.property_is_writeable	= mt6360_charger_property_is_writeable,
-	.usb_types		= mt6360_charger_usb_types,
-	.num_usb_types		= ARRAY_SIZE(mt6360_charger_usb_types),
+	.usb_types		= BIT(POWER_SUPPLY_USB_TYPE_SDP) |
+				  BIT(POWER_SUPPLY_USB_TYPE_CDP) |
+				  BIT(POWER_SUPPLY_USB_TYPE_DCP) |
+				  BIT(POWER_SUPPLY_USB_TYPE_UNKNOWN),
 };
 
 static const struct regulator_ops mt6360_chg_otg_ops = {

diff --git a/drivers/power/supply/mt6370-charger.c b/drivers/power/supply/mt6370-charger.c
@@ -624,13 +624,6 @@ static enum power_supply_property mt6370_chg_properties[] = {
 	POWER_SUPPLY_PROP_USB_TYPE,
 };
 
-static enum power_supply_usb_type mt6370_chg_usb_types[] = {
-	POWER_SUPPLY_USB_TYPE_UNKNOWN,
-	POWER_SUPPLY_USB_TYPE_SDP,
-	POWER_SUPPLY_USB_TYPE_CDP,
-	POWER_SUPPLY_USB_TYPE_DCP,
-};
-
 static const struct power_supply_desc mt6370_chg_psy_desc = {
 	.name = "mt6370-charger",
 	.type = POWER_SUPPLY_TYPE_USB,
@@ -639,8 +632,10 @@ static const struct power_supply_desc mt6370_chg_psy_desc = {
 	.get_property = mt6370_chg_get_property,
 	.set_property = mt6370_chg_set_property,
 	.property_is_writeable = mt6370_chg_property_is_writeable,
-	.usb_types = mt6370_chg_usb_types,
-	.num_usb_types = ARRAY_SIZE(mt6370_chg_usb_types),
+	.usb_types = BIT(POWER_SUPPLY_USB_TYPE_SDP) |
+		     BIT(POWER_SUPPLY_USB_TYPE_CDP) |
+		     BIT(POWER_SUPPLY_USB_TYPE_DCP) |
+		     BIT(POWER_SUPPLY_USB_TYPE_UNKNOWN),
 };
 
 static const struct regulator_ops mt6370_chg_otg_ops = {

diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c
@@ -1360,10 +1360,6 @@ __power_supply_register(struct device *parent,
 		pr_warn("%s: Expected proper parent device for '%s'\n",
 			__func__, desc->name);
 
-	if (psy_has_property(desc, POWER_SUPPLY_PROP_USB_TYPE) &&
-	    (!desc->usb_types || !desc->num_usb_types))
-		return ERR_PTR(-EINVAL);
-
 	psy = kzalloc(sizeof(*psy), GFP_KERNEL);
 	if (!psy)
 		return ERR_PTR(-ENOMEM);

diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c
@@ -209,7 +209,7 @@ static struct power_supply_attr power_supply_attrs[] = {
 	POWER_SUPPLY_ATTR(TIME_TO_FULL_NOW),
 	POWER_SUPPLY_ATTR(TIME_TO_FULL_AVG),
 	POWER_SUPPLY_ENUM_ATTR(TYPE),
-	POWER_SUPPLY_ATTR(USB_TYPE),
+	POWER_SUPPLY_ENUM_ATTR(USB_TYPE),
 	POWER_SUPPLY_ENUM_ATTR(SCOPE),
 	POWER_SUPPLY_ATTR(PRECHARGE_CURRENT),
 	POWER_SUPPLY_ATTR(CHARGE_TERM_CURRENT),
@@ -237,31 +237,28 @@ static enum power_supply_property dev_attr_psp(struct device_attribute *attr)
 	return  to_ps_attr(attr) - power_supply_attrs;
 }
 
-static ssize_t power_supply_show_usb_type(struct device *dev,
-					  const struct power_supply_desc *desc,
-					  union power_supply_propval *value,
-					  char *buf)
+static ssize_t power_supply_show_enum_with_available(
+			struct device *dev, const char * const labels[], int label_count,
+			unsigned int available_values, int value, char *buf)
 {
-	enum power_supply_usb_type usb_type;
+	bool match = false, available, active;
 	ssize_t count = 0;
-	bool match = false;
 	int i;
 
-	for (i = 0; i < desc->num_usb_types; ++i) {
-		usb_type = desc->usb_types[i];
+	for (i = 0; i < label_count; i++) {
+		available = available_values & BIT(i);
+		active = i == value;
 
-		if (value->intval == usb_type) {
-			count += sysfs_emit_at(buf, count, "[%s] ",
-					 POWER_SUPPLY_USB_TYPE_TEXT[usb_type]);
+		if (available && active) {
+			count += sysfs_emit_at(buf, count, "[%s] ", labels[i]);
 			match = true;
-		} else {
-			count += sysfs_emit_at(buf, count, "%s ",
-					 POWER_SUPPLY_USB_TYPE_TEXT[usb_type]);
+		} else if (available) {
+			count += sysfs_emit_at(buf, count, "%s ", labels[i]);
 		}
 	}
 
 	if (!match) {
-		dev_warn(dev, "driver reporting unsupported connected type\n");
+		dev_warn(dev, "driver reporting unavailable enum value %d\n", value);
 		return -EINVAL;
 	}
 
@@ -300,8 +297,10 @@ static ssize_t power_supply_show_property(struct device *dev,
 
 	switch (psp) {
 	case POWER_SUPPLY_PROP_USB_TYPE:
-		ret = power_supply_show_usb_type(dev, psy->desc,
-						&value, buf);
+		ret = power_supply_show_enum_with_available(
+				dev, POWER_SUPPLY_USB_TYPE_TEXT,
+				ARRAY_SIZE(POWER_SUPPLY_USB_TYPE_TEXT),
+				psy->desc->usb_types, value.intval, buf);
 		break;
 	case POWER_SUPPLY_PROP_CHARGE_BEHAVIOUR:
 		ret = power_supply_charge_behaviour_show(dev, psy->desc->charge_behaviours,
@@ -523,33 +522,10 @@ ssize_t power_supply_charge_behaviour_show(struct device *dev,
 					   enum power_supply_charge_behaviour current_behaviour,
 					   char *buf)
 {
-	bool match = false, available, active;
-	ssize_t count = 0;
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(POWER_SUPPLY_CHARGE_BEHAVIOUR_TEXT); i++) {
-		available = available_behaviours & BIT(i);
-		active = i == current_behaviour;
-
-		if (available && active) {
-			count += sysfs_emit_at(buf, count, "[%s] ",
-					       POWER_SUPPLY_CHARGE_BEHAVIOUR_TEXT[i]);
-			match = true;
-		} else if (available) {
-			count += sysfs_emit_at(buf, count, "%s ",
-					       POWER_SUPPLY_CHARGE_BEHAVIOUR_TEXT[i]);
-		}
-	}
-
-	if (!match) {
-		dev_warn(dev, "driver reporting unsupported charge behaviour\n");
-		return -EINVAL;
-	}
-
-	if (count)
-		buf[count - 1] = '\n';
-
-	return count;
+	return power_supply_show_enum_with_available(
+				dev, POWER_SUPPLY_CHARGE_BEHAVIOUR_TEXT,
+				ARRAY_SIZE(POWER_SUPPLY_CHARGE_BEHAVIOUR_TEXT),
+				available_behaviours, current_behaviour, buf);
 }
 EXPORT_SYMBOL_GPL(power_supply_charge_behaviour_show);