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Subject: [media] tuners: constify dvb_tuner_ops structures
Author:  Julia Lawall <julia.law...@lip6.fr>
Date:    Sun Sep 11 11:44:13 2016 -0300

These structures are only used to copy into other structures, so declare
them as const.

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 dvb_tuner_ops i@p = { ... };

@ok1@
identifier r.i;
expression e;
position p;
@@
e = i@p

@ok2@
identifier r.i;
expression e1, e2;
position p;
@@
memcpy(e1, &i@p, e2)

@bad@
position p != {r.p,ok1.p,ok2.p};
identifier r.i;
struct dvb_tuner_ops e;
@@
e@i@p

@depends on !bad disable optional_qualifier@
identifier r.i;
@@
static
+const
 struct dvb_tuner_ops 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/tuners/mt2063.c       | 2 +-
 drivers/media/tuners/mt20xx.c       | 4 ++--
 drivers/media/tuners/mxl5007t.c     | 2 +-
 drivers/media/tuners/tda827x.c      | 4 ++--
 drivers/media/tuners/tea5761.c      | 2 +-
 drivers/media/tuners/tea5767.c      | 2 +-
 drivers/media/tuners/tuner-simple.c | 2 +-
 7 files changed, 9 insertions(+), 9 deletions(-)

---

diff --git a/drivers/media/tuners/mt2063.c b/drivers/media/tuners/mt2063.c
index 7f0b9d5940db..dfec23743afe 100644
--- a/drivers/media/tuners/mt2063.c
+++ b/drivers/media/tuners/mt2063.c
@@ -2201,7 +2201,7 @@ static int mt2063_get_bandwidth(struct dvb_frontend *fe, 
u32 *bw)
        return 0;
 }
 
-static struct dvb_tuner_ops mt2063_ops = {
+static const struct dvb_tuner_ops mt2063_ops = {
        .info = {
                 .name = "MT2063 Silicon Tuner",
                 .frequency_min = 45000000,
diff --git a/drivers/media/tuners/mt20xx.c b/drivers/media/tuners/mt20xx.c
index 9e031040c13f..52da4671b0e0 100644
--- a/drivers/media/tuners/mt20xx.c
+++ b/drivers/media/tuners/mt20xx.c
@@ -363,7 +363,7 @@ static int mt2032_set_params(struct dvb_frontend *fe,
        return ret;
 }
 
-static struct dvb_tuner_ops mt2032_tuner_ops = {
+static const struct dvb_tuner_ops mt2032_tuner_ops = {
        .set_analog_params = mt2032_set_params,
        .release           = microtune_release,
        .get_frequency     = microtune_get_frequency,
@@ -563,7 +563,7 @@ static int mt2050_set_params(struct dvb_frontend *fe,
        return ret;
 }
 
-static struct dvb_tuner_ops mt2050_tuner_ops = {
+static const struct dvb_tuner_ops mt2050_tuner_ops = {
        .set_analog_params = mt2050_set_params,
        .release           = microtune_release,
        .get_frequency     = microtune_get_frequency,
diff --git a/drivers/media/tuners/mxl5007t.c b/drivers/media/tuners/mxl5007t.c
index f4ae04c3328a..42569c6811e6 100644
--- a/drivers/media/tuners/mxl5007t.c
+++ b/drivers/media/tuners/mxl5007t.c
@@ -794,7 +794,7 @@ static int mxl5007t_release(struct dvb_frontend *fe)
 
 /* ------------------------------------------------------------------------- */
 
-static struct dvb_tuner_ops mxl5007t_tuner_ops = {
+static const struct dvb_tuner_ops mxl5007t_tuner_ops = {
        .info = {
                .name = "MaxLinear MxL5007T",
        },
diff --git a/drivers/media/tuners/tda827x.c b/drivers/media/tuners/tda827x.c
index edcb4a723aa1..5050ce9be423 100644
--- a/drivers/media/tuners/tda827x.c
+++ b/drivers/media/tuners/tda827x.c
@@ -818,7 +818,7 @@ static int tda827x_initial_sleep(struct dvb_frontend *fe)
        return fe->ops.tuner_ops.sleep(fe);
 }
 
-static struct dvb_tuner_ops tda827xo_tuner_ops = {
+static const struct dvb_tuner_ops tda827xo_tuner_ops = {
        .info = {
                .name = "Philips TDA827X",
                .frequency_min  =  55000000,
@@ -834,7 +834,7 @@ static struct dvb_tuner_ops tda827xo_tuner_ops = {
        .get_bandwidth = tda827x_get_bandwidth,
 };
 
-static struct dvb_tuner_ops tda827xa_tuner_ops = {
+static const struct dvb_tuner_ops tda827xa_tuner_ops = {
        .info = {
                .name = "Philips TDA827XA",
                .frequency_min  =  44000000,
diff --git a/drivers/media/tuners/tea5761.c b/drivers/media/tuners/tea5761.c
index bf78cb9fc52c..36b0b1e1d05b 100644
--- a/drivers/media/tuners/tea5761.c
+++ b/drivers/media/tuners/tea5761.c
@@ -301,7 +301,7 @@ static int tea5761_get_frequency(struct dvb_frontend *fe, 
u32 *frequency)
        return 0;
 }
 
-static struct dvb_tuner_ops tea5761_tuner_ops = {
+static const struct dvb_tuner_ops tea5761_tuner_ops = {
        .info = {
                .name           = "tea5761", // Philips TEA5761HN FM Radio
        },
diff --git a/drivers/media/tuners/tea5767.c b/drivers/media/tuners/tea5767.c
index cd535cd4c071..d62a6d6b1f42 100644
--- a/drivers/media/tuners/tea5767.c
+++ b/drivers/media/tuners/tea5767.c
@@ -426,7 +426,7 @@ static int tea5767_set_config (struct dvb_frontend *fe, 
void *priv_cfg)
        return 0;
 }
 
-static struct dvb_tuner_ops tea5767_tuner_ops = {
+static const struct dvb_tuner_ops tea5767_tuner_ops = {
        .info = {
                .name           = "tea5767", // Philips TEA5767HN FM Radio
        },
diff --git a/drivers/media/tuners/tuner-simple.c 
b/drivers/media/tuners/tuner-simple.c
index 8e9ce144da9a..9ba9582e7765 100644
--- a/drivers/media/tuners/tuner-simple.c
+++ b/drivers/media/tuners/tuner-simple.c
@@ -1035,7 +1035,7 @@ static int simple_get_bandwidth(struct dvb_frontend *fe, 
u32 *bandwidth)
        return 0;
 }
 
-static struct dvb_tuner_ops simple_tuner_ops = {
+static const struct dvb_tuner_ops simple_tuner_ops = {
        .init              = simple_init,
        .sleep             = simple_sleep,
        .set_analog_params = simple_set_params,

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