1 files changed, 30 insertions, 34 deletions

diff --git a/drivers/soundwire/sysfs_slave.c b/drivers/soundwire/sysfs_slave.c
index 3210359cd9..f4259710dd 100644
--- a/drivers/soundwire/sysfs_slave.c
+++ b/drivers/soundwire/sysfs_slave.c
@@ -105,7 +105,10 @@ static struct attribute *slave_attrs[] = {
 	&dev_attr_modalias.attr,
 	NULL,
 };
-ATTRIBUTE_GROUPS(slave);
+
+static const struct attribute_group slave_attr_group = {
+	.attrs = slave_attrs,
+};
 
 static struct attribute *slave_dev_attrs[] = {
 	&dev_attr_mipi_revision.attr,
@@ -126,10 +129,6 @@ static struct attribute *slave_dev_attrs[] = {
 	NULL,
 };
 
-/*
- * we don't use ATTRIBUTES_GROUP here since we want to add a subdirectory
- * for device-level properties
- */
 static const struct attribute_group sdw_slave_dev_attr_group = {
 	.attrs	= slave_dev_attrs,
 	.name = "dev-properties",
@@ -181,41 +180,38 @@ static struct attribute *dp0_attrs[] = {
 	NULL,
 };
 
-/*
- * we don't use ATTRIBUTES_GROUP here since we want to add a subdirectory
- * for dp0-level properties
- */
-static const struct attribute_group dp0_group = {
-	.attrs = dp0_attrs,
-	.name = "dp0",
-};
-
-int sdw_slave_sysfs_init(struct sdw_slave *slave)
+static umode_t dp0_attr_visible(struct kobject *kobj, struct attribute *attr,
+			      int n)
 {
-	int ret;
+	struct sdw_slave *slave = dev_to_sdw_dev(kobj_to_dev(kobj));
 
-	ret = devm_device_add_groups(&slave->dev, slave_groups);
-	if (ret < 0)
-		return ret;
+	if (slave->prop.dp0_prop)
+		return attr->mode;
+	return 0;
+}
 
-	ret = devm_device_add_group(&slave->dev, &sdw_slave_dev_attr_group);
-	if (ret < 0)
-		return ret;
+static bool dp0_group_visible(struct kobject *kobj)
+{
+	struct sdw_slave *slave = dev_to_sdw_dev(kobj_to_dev(kobj));
 
-	if (slave->prop.dp0_prop) {
-		ret = devm_device_add_group(&slave->dev, &dp0_group);
-		if (ret < 0)
-			return ret;
-	}
+	if (slave->prop.dp0_prop)
+		return true;
+	return false;
+}
+DEFINE_SYSFS_GROUP_VISIBLE(dp0);
 
-	if (slave->prop.source_ports || slave->prop.sink_ports) {
-		ret = sdw_slave_sysfs_dpn_init(slave);
-		if (ret < 0)
-			return ret;
-	}
+static const struct attribute_group dp0_group = {
+	.attrs = dp0_attrs,
+	.is_visible = SYSFS_GROUP_VISIBLE(dp0),
+	.name = "dp0",
+};
 
-	return 0;
-}
+const struct attribute_group *sdw_attr_groups[] = {
+	&slave_attr_group,
+	&sdw_slave_dev_attr_group,
+	&dp0_group,
+	NULL,
+};
 
 /*
  * the status is shown in capital letters for UNATTACHED and RESERVED