configs: migrate CONFIG_VIDEO_BMP_RLE8 to defconfigs

[platform/kernel/u-boot.git] / include / log.h

diff --git a/include/log.h b/include/log.h
index 86c8d7b..4acc087 100644 (file)
--- a/include/log.h
+++ b/include/log.h
@@ -307,10 +307,16 @@ struct log_rec {
 
 struct log_device;
 
+enum log_device_flags {
+       LOGDF_ENABLE            = BIT(0),       /* Device is enabled */
+};
+
 /**
  * struct log_driver - a driver which accepts and processes log records
  *
  * @name: Name of driver
+ * @emit: Method to call to emit a log record via this device
+ * @flags: Initial value for flags (use LOGDF_ENABLE to enable on start-up)
  */
 struct log_driver {
        const char *name;
@@ -321,6 +327,7 @@ struct log_driver {
         * for processing. The filter is checked before calling this function.
         */
        int (*emit)(struct log_device *ldev, struct log_rec *rec);
+       unsigned short flags;
 };
 
 /**
@@ -333,12 +340,14 @@ struct log_driver {
  * @next_filter_num: Seqence number of next filter filter added (0=no filters
  *     yet). This increments with each new filter on the device, but never
  *     decrements
+ * @flags: Flags for this filter (enum log_device_flags)
  * @drv: Pointer to driver for this device
  * @filter_head: List of filters for this device
  * @sibling_node: Next device in the list of all devices
  */
 struct log_device {
-       int next_filter_num;
+       unsigned short next_filter_num;
+       unsigned short flags;
        struct log_driver *drv;
        struct list_head filter_head;
        struct list_head sibling_node;
@@ -379,6 +388,10 @@ struct log_filter {
 #define LOG_DRIVER(_name) \
        ll_entry_declare(struct log_driver, _name, log_driver)
 
+/* Get a pointer to a given driver */
+#define LOG_GET_DRIVER(__name)                                         \
+       ll_entry_get(struct log_driver, __name, log_driver)
+
 /**
  * log_get_cat_name() - Get the name of a category
  *
@@ -456,6 +469,19 @@ int log_add_filter(const char *drv_name, enum log_category_t cat_list[],
  */
 int log_remove_filter(const char *drv_name, int filter_num);
 
+/**
+ * log_device_set_enable() - Enable or disable a log device
+ *
+ * Devices are referenced by their driver, so use LOG_GET_DRIVER(name) to pass
+ * the driver to this function. For example if the driver is declared with
+ * LOG_DRIVER(wibble) then pass LOG_GET_DRIVER(wibble) here.
+ *
+ * @drv: Driver of device to enable
+ * @enable: true to enable, false to disable
+ * @return 0 if OK, -ENOENT if the driver was not found
+ */
+int log_device_set_enable(struct log_driver *drv, bool enable);
+
 #if CONFIG_IS_ENABLED(LOG)
 /**
  * log_init() - Set up the log system ready for use