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-rw-r--r--drivers/i2c/i2c-core.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/i2c/i2c-core.h b/drivers/i2c/i2c-core.h
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index 000000000000..cd5bff874855
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+++ b/drivers/i2c/i2c-core.h
@@ -0,0 +1,31 @@
+/*
+ * i2c-core.h - interfaces internal to the I2C framework
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+struct i2c_devinfo {
+ struct list_head list;
+ int busnum;
+ struct i2c_board_info board_info;
+};
+
+/* board_lock protects board_list and first_dynamic_bus_num.
+ * only i2c core components are allowed to use these symbols.
+ */
+extern struct mutex __i2c_board_lock;
+extern struct list_head __i2c_board_list;
+extern int __i2c_first_dynamic_bus_num;
+

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