Update Linux to v5.10.109

Sourced from [1]

[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz

Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/drivers/firmware/ti_sci.c b/drivers/firmware/ti_sci.c
index 4126be9..896f53e 100644
--- a/drivers/firmware/ti_sci.c
+++ b/drivers/firmware/ti_sci.c
@@ -2,7 +2,7 @@
 /*
  * Texas Instruments System Control Interface Protocol Driver
  *
- * Copyright (C) 2015-2016 Texas Instruments Incorporated - http://www.ti.com/
+ * Copyright (C) 2015-2016 Texas Instruments Incorporated - https://www.ti.com/
  *	Nishanth Menon
  */
 
@@ -65,36 +65,18 @@
 };
 
 /**
- * struct ti_sci_rm_type_map - Structure representing TISCI Resource
- *				management representation of dev_ids.
- * @dev_id:	TISCI device ID
- * @type:	Corresponding id as identified by TISCI RM.
- *
- * Note: This is used only as a work around for using RM range apis
- *	for AM654 SoC. For future SoCs dev_id will be used as type
- *	for RM range APIs. In order to maintain ABI backward compatibility
- *	type is not being changed for AM654 SoC.
- */
-struct ti_sci_rm_type_map {
-	u32 dev_id;
-	u16 type;
-};
-
-/**
  * struct ti_sci_desc - Description of SoC integration
  * @default_host_id:	Host identifier representing the compute entity
  * @max_rx_timeout_ms:	Timeout for communication with SoC (in Milliseconds)
  * @max_msgs: Maximum number of messages that can be pending
  *		  simultaneously in the system
  * @max_msg_size: Maximum size of data per message that can be handled.
- * @rm_type_map: RM resource type mapping structure.
  */
 struct ti_sci_desc {
 	u8 default_host_id;
 	int max_rx_timeout_ms;
 	int max_msgs;
 	int max_msg_size;
-	struct ti_sci_rm_type_map *rm_type_map;
 };
 
 /**
@@ -1124,7 +1106,8 @@
 static int ti_sci_cmd_idle_clock(const struct ti_sci_handle *handle,
 				 u32 dev_id, u32 clk_id)
 {
-	return ti_sci_set_clock_state(handle, dev_id, clk_id, 0,
+	return ti_sci_set_clock_state(handle, dev_id, clk_id,
+				      MSG_FLAG_CLOCK_ALLOW_FREQ_CHANGE,
 				      MSG_CLOCK_SW_STATE_UNREQ);
 }
 
@@ -1143,7 +1126,8 @@
 static int ti_sci_cmd_put_clock(const struct ti_sci_handle *handle,
 				u32 dev_id, u32 clk_id)
 {
-	return ti_sci_set_clock_state(handle, dev_id, clk_id, 0,
+	return ti_sci_set_clock_state(handle, dev_id, clk_id,
+				      MSG_FLAG_CLOCK_ALLOW_FREQ_CHANGE,
 				      MSG_CLOCK_SW_STATE_AUTO);
 }
 
@@ -1710,33 +1694,6 @@
 	return ret;
 }
 
-static int ti_sci_get_resource_type(struct ti_sci_info *info, u16 dev_id,
-				    u16 *type)
-{
-	struct ti_sci_rm_type_map *rm_type_map = info->desc->rm_type_map;
-	bool found = false;
-	int i;
-
-	/* If map is not provided then assume dev_id is used as type */
-	if (!rm_type_map) {
-		*type = dev_id;
-		return 0;
-	}
-
-	for (i = 0; rm_type_map[i].dev_id; i++) {
-		if (rm_type_map[i].dev_id == dev_id) {
-			*type = rm_type_map[i].type;
-			found = true;
-			break;
-		}
-	}
-
-	if (!found)
-		return -EINVAL;
-
-	return 0;
-}
-
 /**
  * ti_sci_get_resource_range - Helper to get a range of resources assigned
  *			       to a host. Resource is uniquely identified by
@@ -1760,7 +1717,6 @@
 	struct ti_sci_xfer *xfer;
 	struct ti_sci_info *info;
 	struct device *dev;
-	u16 type;
 	int ret = 0;
 
 	if (IS_ERR(handle))
@@ -1780,15 +1736,9 @@
 		return ret;
 	}
 
-	ret = ti_sci_get_resource_type(info, dev_id, &type);
-	if (ret) {
-		dev_err(dev, "rm type lookup failed for %u\n", dev_id);
-		goto fail;
-	}
-
 	req = (struct ti_sci_msg_req_get_resource_range *)xfer->xfer_buf;
 	req->secondary_host = s_host;
-	req->type = type & MSG_RM_RESOURCE_TYPE_MASK;
+	req->type = dev_id & MSG_RM_RESOURCE_TYPE_MASK;
 	req->subtype = subtype & MSG_RM_RESOURCE_SUBTYPE_MASK;
 
 	ret = ti_sci_do_xfer(info, xfer);
@@ -3260,61 +3210,50 @@
 EXPORT_SYMBOL_GPL(ti_sci_get_num_resources);
 
 /**
- * devm_ti_sci_get_of_resource() - Get a TISCI resource assigned to a device
+ * devm_ti_sci_get_resource_sets() - Get a TISCI resources assigned to a device
  * @handle:	TISCI handle
  * @dev:	Device pointer to which the resource is assigned
  * @dev_id:	TISCI device id to which the resource is assigned
- * @of_prop:	property name by which the resource are represented
+ * @sub_types:	Array of sub_types assigned corresponding to device
+ * @sets:	Number of sub_types
  *
  * Return: Pointer to ti_sci_resource if all went well else appropriate
  *	   error pointer.
  */
-struct ti_sci_resource *
-devm_ti_sci_get_of_resource(const struct ti_sci_handle *handle,
-			    struct device *dev, u32 dev_id, char *of_prop)
+static struct ti_sci_resource *
+devm_ti_sci_get_resource_sets(const struct ti_sci_handle *handle,
+			      struct device *dev, u32 dev_id, u32 *sub_types,
+			      u32 sets)
 {
 	struct ti_sci_resource *res;
 	bool valid_set = false;
-	u32 resource_subtype;
 	int i, ret;
 
 	res = devm_kzalloc(dev, sizeof(*res), GFP_KERNEL);
 	if (!res)
 		return ERR_PTR(-ENOMEM);
 
-	ret = of_property_count_elems_of_size(dev_of_node(dev), of_prop,
-					      sizeof(u32));
-	if (ret < 0) {
-		dev_err(dev, "%s resource type ids not available\n", of_prop);
-		return ERR_PTR(ret);
-	}
-	res->sets = ret;
-
+	res->sets = sets;
 	res->desc = devm_kcalloc(dev, res->sets, sizeof(*res->desc),
 				 GFP_KERNEL);
 	if (!res->desc)
 		return ERR_PTR(-ENOMEM);
 
 	for (i = 0; i < res->sets; i++) {
-		ret = of_property_read_u32_index(dev_of_node(dev), of_prop, i,
-						 &resource_subtype);
-		if (ret)
-			return ERR_PTR(-EINVAL);
-
 		ret = handle->ops.rm_core_ops.get_range(handle, dev_id,
-							resource_subtype,
+							sub_types[i],
 							&res->desc[i].start,
 							&res->desc[i].num);
 		if (ret) {
 			dev_dbg(dev, "dev = %d subtype %d not allocated for this host\n",
-				dev_id, resource_subtype);
+				dev_id, sub_types[i]);
 			res->desc[i].start = 0;
 			res->desc[i].num = 0;
 			continue;
 		}
 
 		dev_dbg(dev, "dev = %d, subtype = %d, start = %d, num = %d\n",
-			dev_id, resource_subtype, res->desc[i].start,
+			dev_id, sub_types[i], res->desc[i].start,
 			res->desc[i].num);
 
 		valid_set = true;
@@ -3332,6 +3271,62 @@
 	return ERR_PTR(-EINVAL);
 }
 
+/**
+ * devm_ti_sci_get_of_resource() - Get a TISCI resource assigned to a device
+ * @handle:	TISCI handle
+ * @dev:	Device pointer to which the resource is assigned
+ * @dev_id:	TISCI device id to which the resource is assigned
+ * @of_prop:	property name by which the resource are represented
+ *
+ * Return: Pointer to ti_sci_resource if all went well else appropriate
+ *	   error pointer.
+ */
+struct ti_sci_resource *
+devm_ti_sci_get_of_resource(const struct ti_sci_handle *handle,
+			    struct device *dev, u32 dev_id, char *of_prop)
+{
+	struct ti_sci_resource *res;
+	u32 *sub_types;
+	int sets;
+
+	sets = of_property_count_elems_of_size(dev_of_node(dev), of_prop,
+					       sizeof(u32));
+	if (sets < 0) {
+		dev_err(dev, "%s resource type ids not available\n", of_prop);
+		return ERR_PTR(sets);
+	}
+
+	sub_types = kcalloc(sets, sizeof(*sub_types), GFP_KERNEL);
+	if (!sub_types)
+		return ERR_PTR(-ENOMEM);
+
+	of_property_read_u32_array(dev_of_node(dev), of_prop, sub_types, sets);
+	res = devm_ti_sci_get_resource_sets(handle, dev, dev_id, sub_types,
+					    sets);
+
+	kfree(sub_types);
+	return res;
+}
+EXPORT_SYMBOL_GPL(devm_ti_sci_get_of_resource);
+
+/**
+ * devm_ti_sci_get_resource() - Get a resource range assigned to the device
+ * @handle:	TISCI handle
+ * @dev:	Device pointer to which the resource is assigned
+ * @dev_id:	TISCI device id to which the resource is assigned
+ * @suub_type:	TISCI resource subytpe representing the resource.
+ *
+ * Return: Pointer to ti_sci_resource if all went well else appropriate
+ *	   error pointer.
+ */
+struct ti_sci_resource *
+devm_ti_sci_get_resource(const struct ti_sci_handle *handle, struct device *dev,
+			 u32 dev_id, u32 sub_type)
+{
+	return devm_ti_sci_get_resource_sets(handle, dev, dev_id, &sub_type, 1);
+}
+EXPORT_SYMBOL_GPL(devm_ti_sci_get_resource);
+
 static int tisci_reboot_handler(struct notifier_block *nb, unsigned long mode,
 				void *cmd)
 {
@@ -3352,17 +3347,6 @@
 	/* Limited by MBOX_TX_QUEUE_LEN. K2G can handle upto 128 messages! */
 	.max_msgs = 20,
 	.max_msg_size = 64,
-	.rm_type_map = NULL,
-};
-
-static struct ti_sci_rm_type_map ti_sci_am654_rm_type_map[] = {
-	{.dev_id = 56, .type = 0x00b}, /* GIC_IRQ */
-	{.dev_id = 179, .type = 0x000}, /* MAIN_NAV_UDMASS_IA0 */
-	{.dev_id = 187, .type = 0x009}, /* MAIN_NAV_RA */
-	{.dev_id = 188, .type = 0x006}, /* MAIN_NAV_UDMAP */
-	{.dev_id = 194, .type = 0x007}, /* MCU_NAV_UDMAP */
-	{.dev_id = 195, .type = 0x00a}, /* MCU_NAV_RA */
-	{.dev_id = 0, .type = 0x000}, /* end of table */
 };
 
 /* Description for AM654 */
@@ -3373,7 +3357,6 @@
 	/* Limited by MBOX_TX_QUEUE_LEN. K2G can handle upto 128 messages! */
 	.max_msgs = 20,
 	.max_msg_size = 60,
-	.rm_type_map = ti_sci_am654_rm_type_map,
 };
 
 static const struct of_device_id ti_sci_of_match[] = {