[PATCH] I2C: add i2c module alias for i2c drivers to use

This is the start of adding hotplug-like support for i2c devices.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 10 insertions, 0 deletions

diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index f2ee673329a7..e3d144a3f10b 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -359,6 +359,13 @@ static int do_vio_entry(const char *filename, struct vio_device_id *vio,
         return 1;
 }
 
+static int do_i2c_entry(const char *filename, struct i2c_device_id *i2c, char *alias)
+{
+        strcpy(alias, "i2c:");
+        ADD(alias, "id", 1, i2c->id);
+        return 1;
+}
+
 /* Ignore any prefix, eg. v850 prepends _ */
 static inline int sym_is(const char *symbol, const char *name)
 {
@@ -443,6 +450,9 @@ void handle_moddevtable(struct module *mod, struct elf_info *info,
         else if (sym_is(symname, "__mod_vio_device_table"))
                 do_table(symval, sym->st_size, sizeof(struct vio_device_id),
                          do_vio_entry, mod);
+        else if (sym_is(symname, "__mod_i2c_device_table"))
+                do_table(symval, sym->st_size, sizeof(struct i2c_device_id),
+                         do_i2c_entry, mod);
 
 }