i2c: Constify i2c_algorithm declarations, part 1
Make struct i2c_algorithm declarations const in all i2c algorithm
drivers.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 
 /* -----exported algorithm data: ------------------------------------- */
 
-static struct i2c_algorithm i2c_bit_algo = {
+static const struct i2c_algorithm i2c_bit_algo = {
        .master_xfer    = bit_xfer,
        .functionality  = bit_func,
 };
 
        return 0;
 }
 
-static struct i2c_algorithm pca_algo = {
+static const struct i2c_algorithm pca_algo = {
        .master_xfer    = pca_xfer,
        .functionality  = pca_func,
 };
 
 
 /* -----exported algorithm data: ------------------------------------- */
 
-static struct i2c_algorithm pcf_algo = {
+static const struct i2c_algorithm pcf_algo = {
        .master_xfer    = pcf_xfer,
        .functionality  = pcf_func,
 };
 
        return I2C_FUNC_SMBUS_EMUL;
 }
 
-static struct i2c_algorithm sgi_algo = {
+static const struct i2c_algorithm sgi_algo = {
        .master_xfer    = sgi_xfer,
        .functionality  = sgi_func,
 };