i2c: busses: constify i2c_algorithm structures

Declare i2c_algorithm structures as const as they are only stored in the
algo field of an i2c_adapter structure. This field is of type const, so
i2c_algorithm structures having this property can be made const too.

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> for
Acked-by: Patrice Chotard <patrice.chotard@st.com>
Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

drivers/i2c/busses/i2c-at91.c

@@ -820,7 +820,7 @@ static u32 at91_twi_func(struct i2c_adapter *adapter)
 		| I2C_FUNC_SMBUS_READ_BLOCK_DATA;
 }
 
-static struct i2c_algorithm at91_twi_algorithm = {
+static const struct i2c_algorithm at91_twi_algorithm = {
 	.master_xfer	= at91_twi_xfer,
 	.functionality	= at91_twi_func,
 };

drivers/i2c/busses/i2c-bfin-twi.c

@@ -563,7 +563,7 @@ static u32 bfin_twi_functionality(struct i2c_adapter *adap)
 	       I2C_FUNC_I2C | I2C_FUNC_SMBUS_I2C_BLOCK;
 }
 
-static struct i2c_algorithm bfin_twi_algorithm = {
+static const struct i2c_algorithm bfin_twi_algorithm = {
 	.master_xfer   = bfin_twi_master_xfer,
 	.smbus_xfer    = bfin_twi_smbus_xfer,
 	.functionality = bfin_twi_functionality,

drivers/i2c/busses/i2c-designware-core.c

@@ -822,7 +822,7 @@ static u32 i2c_dw_func(struct i2c_adapter *adap)
 	return dev->functionality;
 }
 
-static struct i2c_algorithm i2c_dw_algo = {
+static const struct i2c_algorithm i2c_dw_algo = {
 	.master_xfer	= i2c_dw_xfer,
 	.functionality	= i2c_dw_func,
 };

drivers/i2c/busses/i2c-eg20t.c

@@ -715,7 +715,7 @@ static u32 pch_i2c_func(struct i2c_adapter *adap)
 	return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL | I2C_FUNC_10BIT_ADDR;
 }
 
-static struct i2c_algorithm pch_algorithm = {
+static const struct i2c_algorithm pch_algorithm = {
 	.master_xfer = pch_i2c_xfer,
 	.functionality = pch_i2c_func
 };

drivers/i2c/busses/i2c-emev2.c

@@ -347,7 +347,7 @@ static int em_i2c_unreg_slave(struct i2c_client *slave)
 	return 0;
 }
 
-static struct i2c_algorithm em_i2c_algo = {
+static const struct i2c_algorithm em_i2c_algo = {
 	.master_xfer = em_i2c_xfer,
 	.functionality = em_i2c_func,
 	.reg_slave      = em_i2c_reg_slave,

drivers/i2c/busses/i2c-imx-lpi2c.c

@@ -537,7 +537,7 @@ static u32 lpi2c_imx_func(struct i2c_adapter *adapter)
 		I2C_FUNC_SMBUS_READ_BLOCK_DATA;
 }
 
-static struct i2c_algorithm lpi2c_imx_algo = {
+static const struct i2c_algorithm lpi2c_imx_algo = {
 	.master_xfer	= lpi2c_imx_xfer,
 	.functionality	= lpi2c_imx_func,
 };

drivers/i2c/busses/i2c-imx.c

@@ -1037,7 +1037,7 @@ static u32 i2c_imx_func(struct i2c_adapter *adapter)
 		| I2C_FUNC_SMBUS_READ_BLOCK_DATA;
 }
 
-static struct i2c_algorithm i2c_imx_algo = {
+static const struct i2c_algorithm i2c_imx_algo = {
 	.master_xfer	= i2c_imx_xfer,
 	.functionality	= i2c_imx_func,
 };

drivers/i2c/busses/i2c-nforce2.c

@@ -296,7 +296,7 @@ static u32 nforce2_func(struct i2c_adapter *adapter)
 		I2C_FUNC_SMBUS_BLOCK_DATA : 0);
 }
 
-static struct i2c_algorithm smbus_algorithm = {
+static const struct i2c_algorithm smbus_algorithm = {
 	.smbus_xfer	= nforce2_access,
 	.functionality	= nforce2_func,
 };

drivers/i2c/busses/i2c-robotfuzz-osif.c

@@ -117,7 +117,7 @@ static u32 osif_func(struct i2c_adapter *adapter)
 	return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
 }
 
-static struct i2c_algorithm osif_algorithm = {
+static const struct i2c_algorithm osif_algorithm = {
 	.master_xfer	= osif_xfer,
 	.functionality	= osif_func,
 };

drivers/i2c/busses/i2c-sh_mobile.c

@@ -781,7 +781,7 @@ static u32 sh_mobile_i2c_func(struct i2c_adapter *adapter)
 	return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL | I2C_FUNC_PROTOCOL_MANGLING;
 }
 
-static struct i2c_algorithm sh_mobile_i2c_algorithm = {
+static const struct i2c_algorithm sh_mobile_i2c_algorithm = {
 	.functionality	= sh_mobile_i2c_func,
 	.master_xfer	= sh_mobile_i2c_xfer,
 };

drivers/i2c/busses/i2c-st.c

@@ -776,7 +776,7 @@ static u32 st_i2c_func(struct i2c_adapter *adap)
 	return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
 }
 
-static struct i2c_algorithm st_i2c_algo = {
+static const struct i2c_algorithm st_i2c_algo = {
 	.master_xfer = st_i2c_xfer,
 	.functionality = st_i2c_func,
 };

drivers/i2c/busses/i2c-xgene-slimpro.c

@@ -372,7 +372,7 @@ static u32 xgene_slimpro_i2c_func(struct i2c_adapter *adapter)
 		I2C_FUNC_SMBUS_I2C_BLOCK;
 }
 
-static struct i2c_algorithm xgene_slimpro_i2c_algorithm = {
+static const struct i2c_algorithm xgene_slimpro_i2c_algorithm = {
 	.smbus_xfer = xgene_slimpro_i2c_xfer,
 	.functionality = xgene_slimpro_i2c_func,
 };

drivers/i2c/busses/i2c-xlp9xx.c

@@ -334,7 +334,7 @@ static u32 xlp9xx_i2c_functionality(struct i2c_adapter *adapter)
 		I2C_FUNC_10BIT_ADDR;
 }
 
-static struct i2c_algorithm xlp9xx_i2c_algo = {
+static const struct i2c_algorithm xlp9xx_i2c_algo = {
 	.master_xfer = xlp9xx_i2c_xfer,
 	.functionality = xlp9xx_i2c_functionality,
 };

drivers/i2c/busses/i2c-xlr.c

@@ -335,7 +335,7 @@ static u32 xlr_func(struct i2c_adapter *adap)
 	return (I2C_FUNC_SMBUS_EMUL & ~I2C_FUNC_SMBUS_QUICK) | I2C_FUNC_I2C;
 }
 
-static struct i2c_algorithm xlr_i2c_algo = {
+static const struct i2c_algorithm xlr_i2c_algo = {
 	.master_xfer	= xlr_i2c_xfer,
 	.functionality	= xlr_func,
 };