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Subject: [media] constify i2c_algorithm structures
Author:  Julia Lawall <julia.law...@lip6.fr>
Date:    Mon Aug 29 10:12:01 2016 -0300

These i2c_algorithm structures are only stored in the alg field of an
i2c_adapter structure, which is declared as const.  This declare the
structures as const as well.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@r disable optional_qualifier@
identifier i;
position p;
@@
static struct i2c_algorithm i@p = { ... };

@ok@
identifier r.i;
struct i2c_adapter e;
position p;
@@
e.alg = &i@p;

@bad@
position p != {r.p,ok.p};
identifier r.i;
@@
i@p

@depends on !bad disable optional_qualifier@
identifier r.i;
@@
static
+const
 struct i2c_algorithm i = { ... };
// </smpl>

Signed-off-by: Julia Lawall <julia.law...@lip6.fr>
Signed-off-by: Hans Verkuil <hans.verk...@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mche...@s-opensource.com>

 drivers/media/pci/cx23885/cx23885-i2c.c       | 2 +-
 drivers/media/pci/cx25821/cx25821-i2c.c       | 2 +-
 drivers/media/pci/ivtv/ivtv-i2c.c             | 2 +-
 drivers/media/pci/saa7134/saa7134-i2c.c       | 2 +-
 drivers/media/pci/saa7164/saa7164-i2c.c       | 2 +-
 drivers/media/radio/si4713/radio-usb-si4713.c | 2 +-
 drivers/media/usb/cx231xx/cx231xx-i2c.c       | 2 +-
 drivers/media/usb/em28xx/em28xx-i2c.c         | 2 +-
 drivers/media/usb/go7007/go7007-i2c.c         | 2 +-
 drivers/media/usb/go7007/go7007-usb.c         | 2 +-
 drivers/media/usb/hdpvr/hdpvr-i2c.c           | 2 +-
 drivers/media/usb/stk1160/stk1160-i2c.c       | 2 +-
 12 files changed, 12 insertions(+), 12 deletions(-)

---

diff --git a/drivers/media/pci/cx23885/cx23885-i2c.c 
b/drivers/media/pci/cx23885/cx23885-i2c.c
index ae061b358591..61591225be9a 100644
--- a/drivers/media/pci/cx23885/cx23885-i2c.c
+++ b/drivers/media/pci/cx23885/cx23885-i2c.c
@@ -258,7 +258,7 @@ static u32 cx23885_functionality(struct i2c_adapter *adap)
        return I2C_FUNC_SMBUS_EMUL | I2C_FUNC_I2C;
 }
 
-static struct i2c_algorithm cx23885_i2c_algo_template = {
+static const struct i2c_algorithm cx23885_i2c_algo_template = {
        .master_xfer    = i2c_xfer,
        .functionality  = cx23885_functionality,
 };
diff --git a/drivers/media/pci/cx25821/cx25821-i2c.c 
b/drivers/media/pci/cx25821/cx25821-i2c.c
index dca37c7dba73..63ba25b82692 100644
--- a/drivers/media/pci/cx25821/cx25821-i2c.c
+++ b/drivers/media/pci/cx25821/cx25821-i2c.c
@@ -281,7 +281,7 @@ static u32 cx25821_functionality(struct i2c_adapter *adap)
                I2C_FUNC_SMBUS_READ_WORD_DATA | I2C_FUNC_SMBUS_WRITE_WORD_DATA;
 }
 
-static struct i2c_algorithm cx25821_i2c_algo_template = {
+static const struct i2c_algorithm cx25821_i2c_algo_template = {
        .master_xfer = i2c_xfer,
        .functionality = cx25821_functionality,
 #ifdef NEED_ALGO_CONTROL
diff --git a/drivers/media/pci/ivtv/ivtv-i2c.c 
b/drivers/media/pci/ivtv/ivtv-i2c.c
index bccbf2d18e30..dd57442cf086 100644
--- a/drivers/media/pci/ivtv/ivtv-i2c.c
+++ b/drivers/media/pci/ivtv/ivtv-i2c.c
@@ -625,7 +625,7 @@ static u32 ivtv_functionality(struct i2c_adapter *adap)
        return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
 }
 
-static struct i2c_algorithm ivtv_algo = {
+static const struct i2c_algorithm ivtv_algo = {
        .master_xfer   = ivtv_xfer,
        .functionality = ivtv_functionality,
 };
diff --git a/drivers/media/pci/saa7134/saa7134-i2c.c 
b/drivers/media/pci/saa7134/saa7134-i2c.c
index 8ef6399d794f..2dac48fa1386 100644
--- a/drivers/media/pci/saa7134/saa7134-i2c.c
+++ b/drivers/media/pci/saa7134/saa7134-i2c.c
@@ -338,7 +338,7 @@ static u32 functionality(struct i2c_adapter *adap)
        return I2C_FUNC_SMBUS_EMUL;
 }
 
-static struct i2c_algorithm saa7134_algo = {
+static const struct i2c_algorithm saa7134_algo = {
        .master_xfer   = saa7134_i2c_xfer,
        .functionality = functionality,
 };
diff --git a/drivers/media/pci/saa7164/saa7164-i2c.c 
b/drivers/media/pci/saa7164/saa7164-i2c.c
index 0342d84913b8..024f4e29e840 100644
--- a/drivers/media/pci/saa7164/saa7164-i2c.c
+++ b/drivers/media/pci/saa7164/saa7164-i2c.c
@@ -75,7 +75,7 @@ static u32 saa7164_functionality(struct i2c_adapter *adap)
        return I2C_FUNC_I2C;
 }
 
-static struct i2c_algorithm saa7164_i2c_algo_template = {
+static const struct i2c_algorithm saa7164_i2c_algo_template = {
        .master_xfer    = i2c_xfer,
        .functionality  = saa7164_functionality,
 };
diff --git a/drivers/media/radio/si4713/radio-usb-si4713.c 
b/drivers/media/radio/si4713/radio-usb-si4713.c
index 5146be2a1a50..e5e5a1672bdb 100644
--- a/drivers/media/radio/si4713/radio-usb-si4713.c
+++ b/drivers/media/radio/si4713/radio-usb-si4713.c
@@ -402,7 +402,7 @@ static u32 si4713_functionality(struct i2c_adapter *adapter)
        return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
 }
 
-static struct i2c_algorithm si4713_algo = {
+static const struct i2c_algorithm si4713_algo = {
        .master_xfer   = si4713_transfer,
        .functionality = si4713_functionality,
 };
diff --git a/drivers/media/usb/cx231xx/cx231xx-i2c.c 
b/drivers/media/usb/cx231xx/cx231xx-i2c.c
index 3e7982ef180a..35e9acfe63d3 100644
--- a/drivers/media/usb/cx231xx/cx231xx-i2c.c
+++ b/drivers/media/usb/cx231xx/cx231xx-i2c.c
@@ -454,7 +454,7 @@ static u32 functionality(struct i2c_adapter *adap)
        return I2C_FUNC_SMBUS_EMUL | I2C_FUNC_I2C;
 }
 
-static struct i2c_algorithm cx231xx_algo = {
+static const struct i2c_algorithm cx231xx_algo = {
        .master_xfer = cx231xx_i2c_xfer,
        .functionality = functionality,
 };
diff --git a/drivers/media/usb/em28xx/em28xx-i2c.c 
b/drivers/media/usb/em28xx/em28xx-i2c.c
index 1a9e1e556706..8b690ac908a4 100644
--- a/drivers/media/usb/em28xx/em28xx-i2c.c
+++ b/drivers/media/usb/em28xx/em28xx-i2c.c
@@ -855,7 +855,7 @@ static u32 functionality(struct i2c_adapter *i2c_adap)
        return 0;
 }
 
-static struct i2c_algorithm em28xx_algo = {
+static const struct i2c_algorithm em28xx_algo = {
        .master_xfer   = em28xx_i2c_xfer,
        .functionality = functionality,
 };
diff --git a/drivers/media/usb/go7007/go7007-i2c.c 
b/drivers/media/usb/go7007/go7007-i2c.c
index 55addfa855d4..c084bf794b56 100644
--- a/drivers/media/usb/go7007/go7007-i2c.c
+++ b/drivers/media/usb/go7007/go7007-i2c.c
@@ -191,7 +191,7 @@ static u32 go7007_functionality(struct i2c_adapter *adapter)
        return I2C_FUNC_SMBUS_BYTE_DATA;
 }
 
-static struct i2c_algorithm go7007_algo = {
+static const struct i2c_algorithm go7007_algo = {
        .smbus_xfer     = go7007_smbus_xfer,
        .master_xfer    = go7007_i2c_master_xfer,
        .functionality  = go7007_functionality,
diff --git a/drivers/media/usb/go7007/go7007-usb.c 
b/drivers/media/usb/go7007/go7007-usb.c
index 14d3f8c1ce4a..ed9bcaf08d5e 100644
--- a/drivers/media/usb/go7007/go7007-usb.c
+++ b/drivers/media/usb/go7007/go7007-usb.c
@@ -1032,7 +1032,7 @@ static u32 go7007_usb_functionality(struct i2c_adapter 
*adapter)
        return (I2C_FUNC_SMBUS_EMUL) & ~I2C_FUNC_SMBUS_QUICK;
 }
 
-static struct i2c_algorithm go7007_usb_algo = {
+static const struct i2c_algorithm go7007_usb_algo = {
        .master_xfer    = go7007_usb_i2c_master_xfer,
        .functionality  = go7007_usb_functionality,
 };
diff --git a/drivers/media/usb/hdpvr/hdpvr-i2c.c 
b/drivers/media/usb/hdpvr/hdpvr-i2c.c
index a38f58c4c6bf..608ae96dc0e5 100644
--- a/drivers/media/usb/hdpvr/hdpvr-i2c.c
+++ b/drivers/media/usb/hdpvr/hdpvr-i2c.c
@@ -180,7 +180,7 @@ static u32 hdpvr_functionality(struct i2c_adapter *adapter)
        return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
 }
 
-static struct i2c_algorithm hdpvr_algo = {
+static const struct i2c_algorithm hdpvr_algo = {
        .master_xfer   = hdpvr_transfer,
        .functionality = hdpvr_functionality,
 };
diff --git a/drivers/media/usb/stk1160/stk1160-i2c.c 
b/drivers/media/usb/stk1160/stk1160-i2c.c
index 850cf285ada8..3f2517be02bb 100644
--- a/drivers/media/usb/stk1160/stk1160-i2c.c
+++ b/drivers/media/usb/stk1160/stk1160-i2c.c
@@ -235,7 +235,7 @@ static u32 functionality(struct i2c_adapter *adap)
        return I2C_FUNC_SMBUS_EMUL;
 }
 
-static struct i2c_algorithm algo = {
+static const struct i2c_algorithm algo = {
        .master_xfer   = stk1160_i2c_xfer,
        .functionality = functionality,
 };

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