i2c: Let drivers constify i2c_algorithm data

i2c: Let drivers constify i2c_algorithm data

Let drivers constify I2C algorithm method operations tables,
moving them from ".data" to ".rodata".

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index eb0628a..23ad1ee 100644 (file)
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -220,7 +220,7 @@ struct i2c_adapter {
        struct module *owner;
        unsigned int id;
        unsigned int class;
-       struct i2c_algorithm *algo;/* the algorithm to access the bus   */
+       const struct i2c_algorithm *algo; /* the algorithm to access the bus */
        void *algo_data;
 
        /* --- administration stuff. */