Driver core: change add_uevent_var to use a struct

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / linux / kobject.h

diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index 949706c33622dfca669418f4fa3e0551bc79c529..626bdd3c3dd969fc7509b4eb785516114a203e1c 100644 (file)
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -29,6 +29,8 @@
 
 #define KOBJ_NAME_LEN                  20
 #define UEVENT_HELPER_PATH_LEN         256
+#define UEVENT_NUM_ENVP                        32      /* number of env pointers */
+#define UEVENT_BUFFER_SIZE             2048    /* buffer for the variables */
 
 /* path to the userspace helper executed on an event */
 extern char uevent_helper[];
@@ -111,11 +113,18 @@ struct kobj_type {
        struct attribute        ** default_attrs;
 };
 
+struct kobj_uevent_env {
+       char *envp[UEVENT_NUM_ENVP];
+       int envp_idx;
+       char buf[UEVENT_BUFFER_SIZE];
+       int buflen;
+};
+
 struct kset_uevent_ops {
        int (*filter)(struct kset *kset, struct kobject *kobj);
        const char *(*name)(struct kset *kset, struct kobject *kobj);
-       int (*uevent)(struct kset *kset, struct kobject *kobj, char **envp,
-                       int num_envp, char *buffer, int buffer_size);
+       int (*uevent)(struct kset *kset, struct kobject *kobj,
+                     struct kobj_uevent_env *env);
 };
 
 /*
@@ -275,10 +284,8 @@ int kobject_uevent(struct kobject *kobj, enum kobject_action action);
 int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
                        char *envp[]);
 
-int add_uevent_var(char **envp, int num_envp, int *cur_index,
-                       char *buffer, int buffer_size, int *cur_len,
-                       const char *format, ...)
-       __attribute__((format (printf, 7, 8)));
+int add_uevent_var(struct kobj_uevent_env *env, const char *format, ...)
+       __attribute__((format (printf, 2, 3)));
 #else
 static inline int kobject_uevent(struct kobject *kobj, enum kobject_action action)
 { return 0; }
@@ -287,9 +294,7 @@ static inline int kobject_uevent_env(struct kobject *kobj,
                                      char *envp[])
 { return 0; }
 
-static inline int add_uevent_var(char **envp, int num_envp, int *cur_index,
-                                     char *buffer, int buffer_size, int *cur_len, 
-                                     const char *format, ...)
+static inline int add_uevent_var(struct kobj_uevent_env *env, const char *format, ...)
 { return 0; }
 #endif