diff options
author | lawrence rust <lawrence@softsystem.co.uk> | 2010-08-25 09:50:20 -0300 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-10-21 01:04:52 -0200 |
commit | 2e4e98e788d8fbe30892bee3375067a4937155da (patch) | |
tree | 66d0ae3a74fa77f3e1cffa752dc61bd4089ce609 /drivers/media/dvb | |
parent | f71d76812e6cd3af8e293eeb8eb465c208e771cc (diff) | |
download | linux-2e4e98e788d8fbe30892bee3375067a4937155da.tar.gz linux-2e4e98e788d8fbe30892bee3375067a4937155da.tar.xz |
V4L/DVB: drivers/media: Make static data tables and strings const
Making static data const avoids allocation of additional r/w memory and
reduces initialisation time. It also provides some additional opportunities
for compiler optimisations.
Signed-off-by: Lawrence Rust <lvr@softsystem.co.uk>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb')
-rw-r--r-- | drivers/media/dvb/dvb-core/dvb_frontend.h | 2 | ||||
-rw-r--r-- | drivers/media/dvb/dvb-usb/friio-fe.c | 2 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/cx24110.c | 2 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/lgs8gxx.c | 2 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/mt352.c | 2 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/mt352.h | 2 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/si21xx.c | 2 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/stb6100.c | 2 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/stb6100.h | 4 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/stv0288.c | 2 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/stv0299.c | 2 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/stv0299.h | 2 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/tda1004x.c | 2 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/zl10353.c | 2 |
14 files changed, 15 insertions, 15 deletions
diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.h b/drivers/media/dvb/dvb-core/dvb_frontend.h index bf0e6bed28dd..f9f19be77181 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.h +++ b/drivers/media/dvb/dvb-core/dvb_frontend.h @@ -260,7 +260,7 @@ struct dvb_frontend_ops { int (*init)(struct dvb_frontend* fe); int (*sleep)(struct dvb_frontend* fe); - int (*write)(struct dvb_frontend* fe, u8* buf, int len); + int (*write)(struct dvb_frontend* fe, const u8 buf[], int len); /* if this is set, it overrides the default swzigzag */ int (*tune)(struct dvb_frontend* fe, diff --git a/drivers/media/dvb/dvb-usb/friio-fe.c b/drivers/media/dvb/dvb-usb/friio-fe.c index 93c21ddd0b77..015b4e8af1a5 100644 --- a/drivers/media/dvb/dvb-usb/friio-fe.c +++ b/drivers/media/dvb/dvb-usb/friio-fe.c @@ -75,7 +75,7 @@ static int jdvbt90502_single_reg_write(struct jdvbt90502_state *state, return 0; } -static int _jdvbt90502_write(struct dvb_frontend *fe, u8 *buf, int len) +static int _jdvbt90502_write(struct dvb_frontend *fe, const u8 buf[], int len) { struct jdvbt90502_state *state = fe->demodulator_priv; int err, i; diff --git a/drivers/media/dvb/frontends/cx24110.c b/drivers/media/dvb/frontends/cx24110.c index 00a4e8f03304..7a1a5bc337d8 100644 --- a/drivers/media/dvb/frontends/cx24110.c +++ b/drivers/media/dvb/frontends/cx24110.c @@ -310,7 +310,7 @@ static int cx24110_set_symbolrate (struct cx24110_state* state, u32 srate) } -static int _cx24110_pll_write (struct dvb_frontend* fe, u8 *buf, int len) +static int _cx24110_pll_write (struct dvb_frontend* fe, const u8 buf[], int len) { struct cx24110_state *state = fe->demodulator_priv; diff --git a/drivers/media/dvb/frontends/lgs8gxx.c b/drivers/media/dvb/frontends/lgs8gxx.c index 5ea28ae2ba8f..0fcddc4569d2 100644 --- a/drivers/media/dvb/frontends/lgs8gxx.c +++ b/drivers/media/dvb/frontends/lgs8gxx.c @@ -662,7 +662,7 @@ static void lgs8gxx_release(struct dvb_frontend *fe) } -static int lgs8gxx_write(struct dvb_frontend *fe, u8 *buf, int len) +static int lgs8gxx_write(struct dvb_frontend *fe, const u8 buf[], int len) { struct lgs8gxx_state *priv = fe->demodulator_priv; diff --git a/drivers/media/dvb/frontends/mt352.c b/drivers/media/dvb/frontends/mt352.c index beba5aa0db50..319672f8e1a7 100644 --- a/drivers/media/dvb/frontends/mt352.c +++ b/drivers/media/dvb/frontends/mt352.c @@ -69,7 +69,7 @@ static int mt352_single_write(struct dvb_frontend *fe, u8 reg, u8 val) return 0; } -static int _mt352_write(struct dvb_frontend* fe, u8* ibuf, int ilen) +static int _mt352_write(struct dvb_frontend* fe, const u8 ibuf[], int ilen) { int err,i; for (i=0; i < ilen-1; i++) diff --git a/drivers/media/dvb/frontends/mt352.h b/drivers/media/dvb/frontends/mt352.h index 595092f9f0c4..ca2562d6f289 100644 --- a/drivers/media/dvb/frontends/mt352.h +++ b/drivers/media/dvb/frontends/mt352.h @@ -63,7 +63,7 @@ static inline struct dvb_frontend* mt352_attach(const struct mt352_config* confi } #endif // CONFIG_DVB_MT352 -static inline int mt352_write(struct dvb_frontend *fe, u8 *buf, int len) { +static inline int mt352_write(struct dvb_frontend *fe, const u8 buf[], int len) { int r = 0; if (fe->ops.write) r = fe->ops.write(fe, buf, len); diff --git a/drivers/media/dvb/frontends/si21xx.c b/drivers/media/dvb/frontends/si21xx.c index d21a327db629..4b0c99a08a85 100644 --- a/drivers/media/dvb/frontends/si21xx.c +++ b/drivers/media/dvb/frontends/si21xx.c @@ -268,7 +268,7 @@ static int si21_writereg(struct si21xx_state *state, u8 reg, u8 data) return (ret != 1) ? -EREMOTEIO : 0; } -static int si21_write(struct dvb_frontend *fe, u8 *buf, int len) +static int si21_write(struct dvb_frontend *fe, const u8 buf[], int len) { struct si21xx_state *state = fe->demodulator_priv; diff --git a/drivers/media/dvb/frontends/stb6100.c b/drivers/media/dvb/frontends/stb6100.c index f73c13323e90..80a9e4cba631 100644 --- a/drivers/media/dvb/frontends/stb6100.c +++ b/drivers/media/dvb/frontends/stb6100.c @@ -506,7 +506,7 @@ static struct dvb_tuner_ops stb6100_ops = { }; struct dvb_frontend *stb6100_attach(struct dvb_frontend *fe, - struct stb6100_config *config, + const struct stb6100_config *config, struct i2c_adapter *i2c) { struct stb6100_state *state = NULL; diff --git a/drivers/media/dvb/frontends/stb6100.h b/drivers/media/dvb/frontends/stb6100.h index 395d056599a6..2ab096614b3f 100644 --- a/drivers/media/dvb/frontends/stb6100.h +++ b/drivers/media/dvb/frontends/stb6100.h @@ -97,13 +97,13 @@ struct stb6100_state { #if defined(CONFIG_DVB_STB6100) || (defined(CONFIG_DVB_STB6100_MODULE) && defined(MODULE)) extern struct dvb_frontend *stb6100_attach(struct dvb_frontend *fe, - struct stb6100_config *config, + const struct stb6100_config *config, struct i2c_adapter *i2c); #else static inline struct dvb_frontend *stb6100_attach(struct dvb_frontend *fe, - struct stb6100_config *config, + const struct stb6100_config *config, struct i2c_adapter *i2c) { printk(KERN_WARNING "%s: Driver disabled by Kconfig\n", __func__); diff --git a/drivers/media/dvb/frontends/stv0288.c b/drivers/media/dvb/frontends/stv0288.c index 2930a5d6768a..743989dbb18d 100644 --- a/drivers/media/dvb/frontends/stv0288.c +++ b/drivers/media/dvb/frontends/stv0288.c @@ -78,7 +78,7 @@ static int stv0288_writeregI(struct stv0288_state *state, u8 reg, u8 data) return (ret != 1) ? -EREMOTEIO : 0; } -static int stv0288_write(struct dvb_frontend *fe, u8 *buf, int len) +static int stv0288_write(struct dvb_frontend *fe, const u8 buf[], int len) { struct stv0288_state *state = fe->demodulator_priv; diff --git a/drivers/media/dvb/frontends/stv0299.c b/drivers/media/dvb/frontends/stv0299.c index 968874469726..4e3db3a42e06 100644 --- a/drivers/media/dvb/frontends/stv0299.c +++ b/drivers/media/dvb/frontends/stv0299.c @@ -92,7 +92,7 @@ static int stv0299_writeregI (struct stv0299_state* state, u8 reg, u8 data) return (ret != 1) ? -EREMOTEIO : 0; } -static int stv0299_write(struct dvb_frontend* fe, u8 *buf, int len) +static int stv0299_write(struct dvb_frontend* fe, const u8 buf[], int len) { struct stv0299_state* state = fe->demodulator_priv; diff --git a/drivers/media/dvb/frontends/stv0299.h b/drivers/media/dvb/frontends/stv0299.h index 0fd96e22b650..ba219b767a69 100644 --- a/drivers/media/dvb/frontends/stv0299.h +++ b/drivers/media/dvb/frontends/stv0299.h @@ -65,7 +65,7 @@ struct stv0299_config * First of each pair is the register, second is the value. * List should be terminated with an 0xff, 0xff pair. */ - u8* inittab; + const u8* inittab; /* master clock to use */ u32 mclk; diff --git a/drivers/media/dvb/frontends/tda1004x.c b/drivers/media/dvb/frontends/tda1004x.c index f2a8abe0a243..ea485d923550 100644 --- a/drivers/media/dvb/frontends/tda1004x.c +++ b/drivers/media/dvb/frontends/tda1004x.c @@ -598,7 +598,7 @@ static int tda1004x_decode_fec(int tdafec) return -1; } -static int tda1004x_write(struct dvb_frontend* fe, u8 *buf, int len) +static int tda1004x_write(struct dvb_frontend* fe, const u8 buf[], int len) { struct tda1004x_state* state = fe->demodulator_priv; diff --git a/drivers/media/dvb/frontends/zl10353.c b/drivers/media/dvb/frontends/zl10353.c index 8c612719adfc..adbbf6d3d044 100644 --- a/drivers/media/dvb/frontends/zl10353.c +++ b/drivers/media/dvb/frontends/zl10353.c @@ -64,7 +64,7 @@ static int zl10353_single_write(struct dvb_frontend *fe, u8 reg, u8 val) return 0; } -static int zl10353_write(struct dvb_frontend *fe, u8 *ibuf, int ilen) +static int zl10353_write(struct dvb_frontend *fe, const u8 ibuf[], int ilen) { int err, i; for (i = 0; i < ilen - 1; i++) |