Merge v6.18.40linux-rolling-lts

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 43 insertions, 3 deletions

diff --git a/drivers/i3c/device.c b/drivers/i3c/device.c
index 2396545763ff..6382d70299e2 100644
--- a/drivers/i3c/device.c
+++ b/drivers/i3c/device.c
@@ -47,10 +47,16 @@ int i3c_device_do_priv_xfers(struct i3c_device *dev,
 			return -EINVAL;
 	}
 
+	ret = i3c_bus_rpm_get(dev->bus);
+	if (ret)
+		return ret;
+
 	i3c_bus_normaluse_lock(dev->bus);
 	ret = i3c_dev_do_priv_xfers_locked(dev->desc, xfers, nxfers);
 	i3c_bus_normaluse_unlock(dev->bus);
 
+	i3c_bus_rpm_put(dev->bus);
+
 	return ret;
 }
 EXPORT_SYMBOL_GPL(i3c_device_do_priv_xfers);
@@ -67,10 +73,16 @@ int i3c_device_do_setdasa(struct i3c_device *dev)
 {
 	int ret;
 
+	ret = i3c_bus_rpm_get(dev->bus);
+	if (ret)
+		return ret;
+
 	i3c_bus_normaluse_lock(dev->bus);
 	ret = i3c_dev_setdasa_locked(dev->desc);
 	i3c_bus_normaluse_unlock(dev->bus);
 
+	i3c_bus_rpm_put(dev->bus);
+
 	return ret;
 }
 EXPORT_SYMBOL_GPL(i3c_device_do_setdasa);
@@ -107,16 +119,27 @@ EXPORT_SYMBOL_GPL(i3c_device_get_info);
  */
 int i3c_device_disable_ibi(struct i3c_device *dev)
 {
-	int ret = -ENOENT;
+	int ret;
+
+	if (i3c_bus_rpm_ibi_allowed(dev->bus)) {
+		ret = i3c_bus_rpm_get(dev->bus);
+		if (ret)
+			return ret;
+	}
 
 	i3c_bus_normaluse_lock(dev->bus);
 	if (dev->desc) {
 		mutex_lock(&dev->desc->ibi_lock);
 		ret = i3c_dev_disable_ibi_locked(dev->desc);
 		mutex_unlock(&dev->desc->ibi_lock);
+	} else {
+		ret = -ENOENT;
 	}
 	i3c_bus_normaluse_unlock(dev->bus);
 
+	if (!ret || i3c_bus_rpm_ibi_allowed(dev->bus))
+		i3c_bus_rpm_put(dev->bus);
+
 	return ret;
 }
 EXPORT_SYMBOL_GPL(i3c_device_disable_ibi);
@@ -136,16 +159,25 @@ EXPORT_SYMBOL_GPL(i3c_device_disable_ibi);
  */
 int i3c_device_enable_ibi(struct i3c_device *dev)
 {
-	int ret = -ENOENT;
+	int ret;
+
+	ret = i3c_bus_rpm_get(dev->bus);
+	if (ret)
+		return ret;
 
 	i3c_bus_normaluse_lock(dev->bus);
 	if (dev->desc) {
 		mutex_lock(&dev->desc->ibi_lock);
 		ret = i3c_dev_enable_ibi_locked(dev->desc);
 		mutex_unlock(&dev->desc->ibi_lock);
+	} else {
+		ret = -ENOENT;
 	}
 	i3c_bus_normaluse_unlock(dev->bus);
 
+	if (ret || i3c_bus_rpm_ibi_allowed(dev->bus))
+		i3c_bus_rpm_put(dev->bus);
+
 	return ret;
 }
 EXPORT_SYMBOL_GPL(i3c_device_enable_ibi);
@@ -164,19 +196,27 @@ EXPORT_SYMBOL_GPL(i3c_device_enable_ibi);
 int i3c_device_request_ibi(struct i3c_device *dev,
 			   const struct i3c_ibi_setup *req)
 {
-	int ret = -ENOENT;
+	int ret;
 
 	if (!req->handler || !req->num_slots)
 		return -EINVAL;
 
+	ret = i3c_bus_rpm_get(dev->bus);
+	if (ret)
+		return ret;
+
 	i3c_bus_normaluse_lock(dev->bus);
 	if (dev->desc) {
 		mutex_lock(&dev->desc->ibi_lock);
 		ret = i3c_dev_request_ibi_locked(dev->desc, req);
 		mutex_unlock(&dev->desc->ibi_lock);
+	} else {
+		ret = -ENOENT;
 	}
 	i3c_bus_normaluse_unlock(dev->bus);
 
+	i3c_bus_rpm_put(dev->bus);
+
 	return ret;
 }
 EXPORT_SYMBOL_GPL(i3c_device_request_ibi);