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| author |   Antti Palosaari <crope@iki.fi> | 2012-09-12 20:23:49 -0300 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-09-23 20:47:22 -0300 |
| commit | 3a2fca2684bd8730a270197d231d8d023d759d3f (patch) | |
| tree | 37accf1190ba9d0fe3178a2dc699dea6ba107fb3 /drivers/media/dvb-frontends | |
| parent | [media] rtl2830: use .get_if_frequency() (diff) | |
| download | linux-dev-3a2fca2684bd8730a270197d231d8d023d759d3f.tar.xz linux-dev-3a2fca2684bd8730a270197d231d8d023d759d3f.zip | |
[media] rtl2830: declare two tables as constant
This optimizes few hundred bytes from data to text segment.
Also remove one unused function that was commented out already.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb-frontends')
| -rw-r--r-- | drivers/media/dvb-frontends/rtl2830.c | 23 |
1 files changed, 8 insertions, 15 deletions
diff --git a/drivers/media/dvb-frontends/rtl2830.c b/drivers/media/dvb-frontends/rtl2830.c index 3954760f2bde..b0f6ec03d1eb 100644 --- a/drivers/media/dvb-frontends/rtl2830.c +++ b/drivers/media/dvb-frontends/rtl2830.c @@ -28,7 +28,7 @@ #include "rtl2830_priv.h" /* write multiple hardware registers */ -static int rtl2830_wr(struct rtl2830_priv *priv, u8 reg, u8 *val, int len) +static int rtl2830_wr(struct rtl2830_priv *priv, u8 reg, const u8 *val, int len) { int ret; u8 buf[1+len]; @@ -85,7 +85,8 @@ static int rtl2830_rd(struct rtl2830_priv *priv, u8 reg, u8 *val, int len) } /* write multiple registers */ -static int rtl2830_wr_regs(struct rtl2830_priv *priv, u16 reg, u8 *val, int len) +static int rtl2830_wr_regs(struct rtl2830_priv *priv, u16 reg, const u8 *val, + int len) { int ret; u8 reg2 = (reg >> 0) & 0xff; @@ -122,14 +123,6 @@ static int rtl2830_rd_regs(struct rtl2830_priv *priv, u16 reg, u8 *val, int len) return rtl2830_rd(priv, reg2, val, len); } -#if 0 /* currently not used */ -/* write single register */ -static int rtl2830_wr_reg(struct rtl2830_priv *priv, u16 reg, u8 val) -{ - return rtl2830_wr_regs(priv, reg, &val, 1); -} -#endif - /* read single register */ static int rtl2830_rd_reg(struct rtl2830_priv *priv, u16 reg, u8 *val) { @@ -281,7 +274,7 @@ static int rtl2830_set_frontend(struct dvb_frontend *fe) u64 num; u8 buf[3], tmp; u32 if_ctl, if_frequency; - static u8 bw_params1[3][34] = { + static const u8 bw_params1[3][34] = { { 0x1f, 0xf0, 0x1f, 0xf0, 0x1f, 0xfa, 0x00, 0x17, 0x00, 0x41, 0x00, 0x64, 0x00, 0x67, 0x00, 0x38, 0x1f, 0xde, 0x1f, 0x7a, @@ -299,10 +292,10 @@ static int rtl2830_set_frontend(struct dvb_frontend *fe) 0x04, 0x24, 0x04, 0xdb, /* 8 MHz */ }, }; - static u8 bw_params2[3][6] = { - {0xc3, 0x0c, 0x44, 0x33, 0x33, 0x30,}, /* 6 MHz */ - {0xb8, 0xe3, 0x93, 0x99, 0x99, 0x98,}, /* 7 MHz */ - {0xae, 0xba, 0xf3, 0x26, 0x66, 0x64,}, /* 8 MHz */ + static const u8 bw_params2[3][6] = { + {0xc3, 0x0c, 0x44, 0x33, 0x33, 0x30}, /* 6 MHz */ + {0xb8, 0xe3, 0x93, 0x99, 0x99, 0x98}, /* 7 MHz */ + {0xae, 0xba, 0xf3, 0x26, 0x66, 0x64}, /* 8 MHz */ }; dev_dbg(&priv->i2c->dev, |