[PATCH] x86_64: Enlarge debug stack for nested kprobes

[linux-2.6-omap-h63xx.git] / include / linux / i2c.h

diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 0510430e00dbc88bcfc045bd4f7463ad32bbcc95..eb0628a7ecc637ec71e18714105ac814f679f718 100644 (file)
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -97,13 +97,13 @@ extern s32 i2c_smbus_write_word_data(struct i2c_client * client,
                                      u8 command, u16 value);
 extern s32 i2c_smbus_write_block_data(struct i2c_client * client,
                                      u8 command, u8 length,
-                                     u8 *values);
+                                     const u8 *values);
 /* Returns the number of read bytes */
 extern s32 i2c_smbus_read_i2c_block_data(struct i2c_client * client,
                                         u8 command, u8 *values);
 extern s32 i2c_smbus_write_i2c_block_data(struct i2c_client * client,
                                          u8 command, u8 length,
-                                         u8 *values);
+                                         const u8 *values);
 
 /*
  * A driver is capable of handling one or more physical devices present on
@@ -193,6 +193,8 @@ struct i2c_algorithm {
           to NULL. If an adapter algorithm can do SMBus access, set 
           smbus_xfer. If set to NULL, the SMBus protocol is simulated
           using common I2C messages */
+       /* master_xfer should return the number of messages successfully
+          processed, or a negative value on error */
        int (*master_xfer)(struct i2c_adapter *adap,struct i2c_msg *msgs, 
                           int num);
        int (*smbus_xfer) (struct i2c_adapter *adap, u16 addr,