dvb frontends: treat firmware data as const

Signed-off-by: David Woodhouse <dwmw2@infradead.org>

7 files changed, 11 insertions, 9 deletions

diff --git a/drivers/media/dvb/frontends/bcm3510.c b/drivers/media/dvb/frontends/bcm3510.c
index d268e65e777..cf5e576dfdc 100644
--- a/drivers/media/dvb/frontends/bcm3510.c
+++ b/drivers/media/dvb/frontends/bcm3510.c
@@ -590,7 +590,8 @@ static void bcm3510_release(struct dvb_frontend* fe)
  */
 #define BCM3510_DEFAULT_FIRMWARE "dvb-fe-bcm3510-01.fw"
 
-static int bcm3510_write_ram(struct bcm3510_state *st, u16 addr, u8 *b, u16 len)
+static int bcm3510_write_ram(struct bcm3510_state *st, u16 addr, const u8 *b,
+                             u16 len)
 {
         int ret = 0,i;
         bcm3510_register_value vH, vL,vD;
@@ -614,7 +615,7 @@ static int bcm3510_download_firmware(struct dvb_frontend* fe)
         struct bcm3510_state* st = fe->demodulator_priv;
         const struct firmware *fw;
         u16 addr,len;
-        u8  *b;
+        const u8 *b;
         int ret,i;
 
         deb_info("requesting firmware\n");
diff --git a/drivers/media/dvb/frontends/nxt200x.c b/drivers/media/dvb/frontends/nxt200x.c
index 23d02285254..af298358e82 100644
--- a/drivers/media/dvb/frontends/nxt200x.c
+++ b/drivers/media/dvb/frontends/nxt200x.c
@@ -93,7 +93,8 @@ static u8 i2c_readbytes (struct nxt200x_state* state, u8 addr, u8* buf, u8 len)
         return 0;
 }
 
-static int nxt200x_writebytes (struct nxt200x_state* state, u8 reg, u8 *buf, u8 len)
+static int nxt200x_writebytes (struct nxt200x_state* state, u8 reg,
+                               const u8 *buf, u8 len)
 {
         u8 buf2 [len+1];
         int err;
diff --git a/drivers/media/dvb/frontends/or51211.c b/drivers/media/dvb/frontends/or51211.c
index 7eaa4765593..6afe12aaca4 100644
--- a/drivers/media/dvb/frontends/or51211.c
+++ b/drivers/media/dvb/frontends/or51211.c
@@ -69,7 +69,7 @@ struct or51211_state {
         u32 current_frequency;
 };
 
-static int i2c_writebytes (struct or51211_state* state, u8 reg, u8 *buf,
+static int i2c_writebytes (struct or51211_state* state, u8 reg, const u8 *buf,
                            int len)
 {
         int err;
@@ -77,7 +77,7 @@ static int i2c_writebytes (struct or51211_state* state, u8 reg, u8 *buf,
         msg.addr        = reg;
         msg.flags       = 0;
         msg.len         = len;
-        msg.buf         = buf;
+        msg.buf         = (u8 *)buf;
 
         if ((err = i2c_transfer (state->i2c, &msg, 1)) != 1) {
                 printk(KERN_WARNING "or51211: i2c_writebytes error "
diff --git a/drivers/media/dvb/frontends/sp8870.c b/drivers/media/dvb/frontends/sp8870.c
index aa78aa14aad..1c9a9b4051b 100644
--- a/drivers/media/dvb/frontends/sp8870.c
+++ b/drivers/media/dvb/frontends/sp8870.c
@@ -98,7 +98,7 @@ static int sp8870_readreg (struct sp8870_state* state, u16 reg)
 static int sp8870_firmware_upload (struct sp8870_state* state, const struct firmware *fw)
 {
         struct i2c_msg msg;
-        char *fw_buf = fw->data;
+        const char *fw_buf = fw->data;
         int fw_pos;
         u8 tx_buf[255];
         int tx_len;
diff --git a/drivers/media/dvb/frontends/sp887x.c b/drivers/media/dvb/frontends/sp887x.c
index 49f55877f51..4543609e181 100644
--- a/drivers/media/dvb/frontends/sp887x.c
+++ b/drivers/media/dvb/frontends/sp887x.c
@@ -140,7 +140,7 @@ static int sp887x_initial_setup (struct dvb_frontend* fe, const struct firmware
         u8 buf [BLOCKSIZE+2];
         int i;
         int fw_size = fw->size;
-        unsigned char *mem = fw->data;
+        const unsigned char *mem = fw->data;
 
         dprintk("%s\n", __func__);
 
diff --git a/drivers/media/dvb/frontends/tda10048.c b/drivers/media/dvb/frontends/tda10048.c
index 090fb7dd93c..0ab8d86b3ae 100644
--- a/drivers/media/dvb/frontends/tda10048.c
+++ b/drivers/media/dvb/frontends/tda10048.c
@@ -233,7 +233,7 @@ static u8 tda10048_readreg(struct tda10048_state *state, u8 reg)
 }
 
 static int tda10048_writeregbulk(struct tda10048_state *state, u8 reg,
-        u8 *data, u16 len)
+                                 const u8 *data, u16 len)
 {
         int ret = -EREMOTEIO;
         struct i2c_msg msg;
diff --git a/drivers/media/dvb/frontends/tda1004x.c b/drivers/media/dvb/frontends/tda1004x.c
index a0d63865356..1465ff77b0c 100644
--- a/drivers/media/dvb/frontends/tda1004x.c
+++ b/drivers/media/dvb/frontends/tda1004x.c
@@ -317,7 +317,7 @@ static int tda10046h_set_bandwidth(struct tda1004x_state *state,
 }
 
 static int tda1004x_do_upload(struct tda1004x_state *state,
-                              unsigned char *mem, unsigned int len,
+                              const unsigned char *mem, unsigned int len,
                               u8 dspCodeCounterReg, u8 dspCodeInReg)
 {
         u8 buf[65];