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-rw-r--r--include/linux/device.h2
-rw-r--r--include/linux/device/driver.h2
-rw-r--r--include/linux/fwnode.h20
-rw-r--r--include/linux/of_irq.h9
4 files changed, 29 insertions, 4 deletions
diff --git a/include/linux/device.h b/include/linux/device.h
index 1779f90eeb4c..7619a84f8ce4 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -323,6 +323,7 @@ enum device_link_state {
* AUTOPROBE_CONSUMER: Probe consumer driver automatically after supplier binds.
* MANAGED: The core tracks presence of supplier/consumer drivers (internal).
* SYNC_STATE_ONLY: Link only affects sync_state() behavior.
+ * INFERRED: Inferred from data (eg: firmware) and not from driver actions.
*/
#define DL_FLAG_STATELESS BIT(0)
#define DL_FLAG_AUTOREMOVE_CONSUMER BIT(1)
@@ -332,6 +333,7 @@ enum device_link_state {
#define DL_FLAG_AUTOPROBE_CONSUMER BIT(5)
#define DL_FLAG_MANAGED BIT(6)
#define DL_FLAG_SYNC_STATE_ONLY BIT(7)
+#define DL_FLAG_INFERRED BIT(8)
/**
* enum dl_dev_state - Device driver presence tracking information.
diff --git a/include/linux/device/driver.h b/include/linux/device/driver.h
index ee7ba5b5417e..a498ebcf4993 100644
--- a/include/linux/device/driver.h
+++ b/include/linux/device/driver.h
@@ -75,7 +75,7 @@ enum probe_type {
* @resume: Called to bring a device from sleep mode.
* @groups: Default attributes that get created by the driver core
* automatically.
- * @dev_groups: Additional attributes attached to device instance once the
+ * @dev_groups: Additional attributes attached to device instance once
* it is bound to the driver.
* @pm: Power management operations of the device which matched
* this driver.
diff --git a/include/linux/fwnode.h b/include/linux/fwnode.h
index 77414e431e89..ed4e67a7ff1c 100644
--- a/include/linux/fwnode.h
+++ b/include/linux/fwnode.h
@@ -11,6 +11,7 @@
#include <linux/types.h>
#include <linux/list.h>
+#include <linux/err.h>
struct fwnode_operations;
struct device;
@@ -18,9 +19,13 @@ struct device;
/*
* fwnode link flags
*
- * LINKS_ADDED: The fwnode has already be parsed to add fwnode links.
+ * LINKS_ADDED: The fwnode has already be parsed to add fwnode links.
+ * NOT_DEVICE: The fwnode will never be populated as a struct device.
+ * INITIALIZED: The hardware corresponding to fwnode has been initialized.
*/
#define FWNODE_FLAG_LINKS_ADDED BIT(0)
+#define FWNODE_FLAG_NOT_DEVICE BIT(1)
+#define FWNODE_FLAG_INITIALIZED BIT(2)
struct fwnode_handle {
struct fwnode_handle *secondary;
@@ -166,7 +171,20 @@ static inline void fwnode_init(struct fwnode_handle *fwnode,
INIT_LIST_HEAD(&fwnode->suppliers);
}
+static inline void fwnode_dev_initialized(struct fwnode_handle *fwnode,
+ bool initialized)
+{
+ if (IS_ERR_OR_NULL(fwnode))
+ return;
+
+ if (initialized)
+ fwnode->flags |= FWNODE_FLAG_INITIALIZED;
+ else
+ fwnode->flags &= ~FWNODE_FLAG_INITIALIZED;
+}
+
extern u32 fw_devlink_get_flags(void);
+extern bool fw_devlink_is_strict(void);
int fwnode_link_add(struct fwnode_handle *con, struct fwnode_handle *sup);
void fwnode_links_purge(struct fwnode_handle *fwnode);
diff --git a/include/linux/of_irq.h b/include/linux/of_irq.h
index e8b78139f78c..aaf219bd0354 100644
--- a/include/linux/of_irq.h
+++ b/include/linux/of_irq.h
@@ -33,8 +33,6 @@ static inline int of_irq_parse_oldworld(struct device_node *device, int index,
#endif /* CONFIG_PPC32 && CONFIG_PPC_PMAC */
extern int of_irq_parse_raw(const __be32 *addr, struct of_phandle_args *out_irq);
-extern int of_irq_parse_one(struct device_node *device, int index,
- struct of_phandle_args *out_irq);
extern unsigned int irq_create_of_mapping(struct of_phandle_args *irq_data);
extern int of_irq_to_resource(struct device_node *dev, int index,
struct resource *r);
@@ -42,6 +40,8 @@ extern int of_irq_to_resource(struct device_node *dev, int index,
extern void of_irq_init(const struct of_device_id *matches);
#ifdef CONFIG_OF_IRQ
+extern int of_irq_parse_one(struct device_node *device, int index,
+ struct of_phandle_args *out_irq);
extern int of_irq_count(struct device_node *dev);
extern int of_irq_get(struct device_node *dev, int index);
extern int of_irq_get_byname(struct device_node *dev, const char *name);
@@ -57,6 +57,11 @@ extern struct irq_domain *of_msi_map_get_device_domain(struct device *dev,
extern void of_msi_configure(struct device *dev, struct device_node *np);
u32 of_msi_map_id(struct device *dev, struct device_node *msi_np, u32 id_in);
#else
+static inline int of_irq_parse_one(struct device_node *device, int index,
+ struct of_phandle_args *out_irq)
+{
+ return -EINVAL;
+}
static inline int of_irq_count(struct device_node *dev)
{
return 0;