From d45b9b8ab43c8973a9630ac54f4ede6c3e009f9e Mon Sep 17 00:00:00 2001
From: Hans Verkuil <hverkuil@xs4all.nl>
Date: Thu, 4 Sep 2008 03:33:43 -0300
Subject: [PATCH] V4L/DVB (8906): v4l-dvb: fix assorted sparse warnings

Fix sparse warnings. None are serious, but cutting down on these helps find
future serious sparse warnings/errors.

Redid the av7710.c patch based on a suggestion by Oliver Endriss.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb/dvb-usb/af9005-remote.c     |  2 +-
 drivers/media/dvb/dvb-usb/af9005-script.h     |  2 +-
 drivers/media/dvb/dvb-usb/af9005.c            | 23 ++++++---------
 drivers/media/dvb/frontends/cx24110.h         | 15 ++++++----
 drivers/media/dvb/frontends/dib7000m.c        |  3 +-
 drivers/media/dvb/frontends/dvb_dummy_fe.c    |  4 +--
 drivers/media/dvb/frontends/sp887x.c          |  3 +-
 drivers/media/dvb/ttpci/av7110.c              | 12 ++++----
 drivers/media/video/cpia2/cpia2_core.c        | 10 +++----
 drivers/media/video/cpia2/cpia2_usb.c         |  2 +-
 drivers/media/video/cx23885/cx23885-417.c     |  2 +-
 drivers/media/video/cx23885/cx23885-vbi.c     | 12 +-------
 drivers/media/video/cx23885/cx23885-video.c   | 29 +++++++------------
 drivers/media/video/em28xx/em28xx-dvb.c       |  2 +-
 drivers/media/video/em28xx/em28xx-i2c.c       |  7 +++--
 drivers/media/video/em28xx/em28xx.h           |  4 +--
 drivers/media/video/gspca/sonixb.c            |  2 +-
 drivers/media/video/gspca/vc032x.c            |  1 -
 .../media/video/ovcamchip/ovcamchip_core.c    |  6 ----
 .../media/video/ovcamchip/ovcamchip_priv.h    |  6 ++++
 .../media/video/pvrusb2/pvrusb2-i2c-core.c    |  2 +-
 drivers/media/video/s2255drv.c                |  2 +-
 drivers/media/video/sn9c102/sn9c102_core.c    | 20 +++++++++++++
 .../media/video/sn9c102/sn9c102_devtable.h    | 20 -------------
 drivers/media/video/sn9c102/sn9c102_hv7131d.c |  1 +
 drivers/media/video/sn9c102/sn9c102_hv7131r.c |  1 +
 drivers/media/video/sn9c102/sn9c102_mi0343.c  |  1 +
 drivers/media/video/sn9c102/sn9c102_mi0360.c  |  1 +
 drivers/media/video/sn9c102/sn9c102_mt9v111.c |  1 +
 drivers/media/video/sn9c102/sn9c102_ov7630.c  |  1 +
 drivers/media/video/sn9c102/sn9c102_ov7660.c  |  1 +
 drivers/media/video/sn9c102/sn9c102_pas106b.c |  1 +
 .../media/video/sn9c102/sn9c102_pas202bcb.c   |  1 +
 .../media/video/sn9c102/sn9c102_tas5110c1b.c  |  1 +
 .../media/video/sn9c102/sn9c102_tas5110d.c    |  1 +
 .../media/video/sn9c102/sn9c102_tas5130d1b.c  |  1 +
 drivers/media/video/zoran_device.c            |  2 --
 drivers/media/video/zoran_device.h            |  8 +++++
 drivers/media/video/zoran_driver.c            |  6 ----
 39 files changed, 108 insertions(+), 111 deletions(-)

diff --git a/drivers/media/dvb/dvb-usb/af9005-remote.c b/drivers/media/dvb/dvb-usb/af9005-remote.c
index ff00c0e8f4a1..7c596f926764 100644
--- a/drivers/media/dvb/dvb-usb/af9005-remote.c
+++ b/drivers/media/dvb/dvb-usb/af9005-remote.c
@@ -25,7 +25,7 @@
  */
 #include "af9005.h"
 /* debug */
-int dvb_usb_af9005_remote_debug;
+static int dvb_usb_af9005_remote_debug;
 module_param_named(debug, dvb_usb_af9005_remote_debug, int, 0644);
 MODULE_PARM_DESC(debug,
 		 "enable (1) or disable (0) debug messages."
diff --git a/drivers/media/dvb/dvb-usb/af9005-script.h b/drivers/media/dvb/dvb-usb/af9005-script.h
index 6eeaae51b1ca..4d69045426dd 100644
--- a/drivers/media/dvb/dvb-usb/af9005-script.h
+++ b/drivers/media/dvb/dvb-usb/af9005-script.h
@@ -14,7 +14,7 @@ typedef struct {
 	u8 val;
 } RegDesc;
 
-RegDesc script[] = {
+static RegDesc script[] = {
 	{0xa180, 0x0, 0x8, 0xa},
 	{0xa181, 0x0, 0x8, 0xd7},
 	{0xa182, 0x0, 0x8, 0xa3},
diff --git a/drivers/media/dvb/dvb-usb/af9005.c b/drivers/media/dvb/dvb-usb/af9005.c
index cfe71feefcad..ca5a0a4d2a47 100644
--- a/drivers/media/dvb/dvb-usb/af9005.c
+++ b/drivers/media/dvb/dvb-usb/af9005.c
@@ -35,17 +35,17 @@ module_param_named(led, dvb_usb_af9005_led, bool, 0644);
 MODULE_PARM_DESC(led, "enable led (default: 1).");
 
 /* eeprom dump */
-int dvb_usb_af9005_dump_eeprom = 0;
+static int dvb_usb_af9005_dump_eeprom;
 module_param_named(dump_eeprom, dvb_usb_af9005_dump_eeprom, int, 0);
 MODULE_PARM_DESC(dump_eeprom, "dump contents of the eeprom.");
 
 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
 
 /* remote control decoder */
-int (*rc_decode) (struct dvb_usb_device * d, u8 * data, int len, u32 * event,
-		  int *state);
-void *rc_keys;
-int *rc_keys_size;
+static int (*rc_decode) (struct dvb_usb_device *d, u8 *data, int len,
+		u32 *event, int *state);
+static void *rc_keys;
+static int *rc_keys_size;
 
 u8 regmask[8] = { 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x3f, 0x7f, 0xff };
 
@@ -54,8 +54,8 @@ struct af9005_device_state {
 	int led_state;
 };
 
-int af9005_usb_generic_rw(struct dvb_usb_device *d, u8 * wbuf, u16 wlen,
-			  u8 * rbuf, u16 rlen, int delay_ms)
+static int af9005_usb_generic_rw(struct dvb_usb_device *d, u8 *wbuf, u16 wlen,
+			  u8 *rbuf, u16 rlen, int delay_ms)
 {
 	int actlen, ret = -ENOMEM;
 
@@ -98,12 +98,7 @@ int af9005_usb_generic_rw(struct dvb_usb_device *d, u8 * wbuf, u16 wlen,
 	return ret;
 }
 
-int af9005_usb_generic_write(struct dvb_usb_device *d, u8 * buf, u16 len)
-{
-	return af9005_usb_generic_rw(d, buf, len, NULL, 0, 0);
-}
-
-int af9005_generic_read_write(struct dvb_usb_device *d, u16 reg,
+static int af9005_generic_read_write(struct dvb_usb_device *d, u16 reg,
 			      int readwrite, int type, u8 * values, int len)
 {
 	struct af9005_device_state *st = d->priv;
@@ -765,7 +760,7 @@ static int af9005_boot_packet(struct usb_device *udev, int type, u8 * reply)
 	return 0;
 }
 
-int af9005_download_firmware(struct usb_device *udev, const struct firmware *fw)
+static int af9005_download_firmware(struct usb_device *udev, const struct firmware *fw)
 {
 	int i, packets, ret, act_len;
 
diff --git a/drivers/media/dvb/frontends/cx24110.h b/drivers/media/dvb/frontends/cx24110.h
index 1792adb23c4d..fdcceee91f3a 100644
--- a/drivers/media/dvb/frontends/cx24110.h
+++ b/drivers/media/dvb/frontends/cx24110.h
@@ -33,12 +33,17 @@ struct cx24110_config
 	u8 demod_address;
 };
 
-static inline int cx24110_pll_write(struct dvb_frontend *fe, u32 val) {
-	int r = 0;
-	u8 buf[] = {(u8) (val>>24), (u8) (val>>16), (u8) (val>>8)};
+static inline int cx24110_pll_write(struct dvb_frontend *fe, u32 val)
+{
+	u8 buf[] = {
+		(u8)((val >> 24) & 0xff),
+		(u8)((val >> 16) & 0xff),
+		(u8)((val >> 8) & 0xff)
+	};
+
 	if (fe->ops.write)
-		r = fe->ops.write(fe, buf, 3);
-	return r;
+		return fe->ops.write(fe, buf, 3);
+	return 0;
 }
 
 #if defined(CONFIG_DVB_CX24110) || (defined(CONFIG_DVB_CX24110_MODULE) && defined(MODULE))
diff --git a/drivers/media/dvb/frontends/dib7000m.c b/drivers/media/dvb/frontends/dib7000m.c
index 5f1375e30dfc..4de0fa9b69ad 100644
--- a/drivers/media/dvb/frontends/dib7000m.c
+++ b/drivers/media/dvb/frontends/dib7000m.c
@@ -1284,7 +1284,8 @@ struct i2c_adapter * dib7000m_get_i2c_master(struct dvb_frontend *demod, enum di
 }
 EXPORT_SYMBOL(dib7000m_get_i2c_master);
 
-int dib7000m_i2c_enumeration(struct i2c_adapter *i2c, int no_of_demods, u8 default_addr, struct dib7000m_config cfg[])
+static int dib7000m_i2c_enumeration(struct i2c_adapter *i2c, int no_of_demods,
+		u8 default_addr, struct dib7000m_config cfg[])
 {
 	struct dib7000m_state st = { .i2c_adap = i2c };
 	int k = 0;
diff --git a/drivers/media/dvb/frontends/dvb_dummy_fe.c b/drivers/media/dvb/frontends/dvb_dummy_fe.c
index cb4d8a3b9d8b..db8a937cc630 100644
--- a/drivers/media/dvb/frontends/dvb_dummy_fe.c
+++ b/drivers/media/dvb/frontends/dvb_dummy_fe.c
@@ -132,7 +132,7 @@ error:
 
 static struct dvb_frontend_ops dvb_dummy_fe_qpsk_ops;
 
-struct dvb_frontend* dvb_dummy_fe_qpsk_attach()
+struct dvb_frontend *dvb_dummy_fe_qpsk_attach(void)
 {
 	struct dvb_dummy_fe_state* state = NULL;
 
@@ -152,7 +152,7 @@ error:
 
 static struct dvb_frontend_ops dvb_dummy_fe_qam_ops;
 
-struct dvb_frontend* dvb_dummy_fe_qam_attach()
+struct dvb_frontend *dvb_dummy_fe_qam_attach(void)
 {
 	struct dvb_dummy_fe_state* state = NULL;
 
diff --git a/drivers/media/dvb/frontends/sp887x.c b/drivers/media/dvb/frontends/sp887x.c
index 4543609e1816..559509ab4dab 100644
--- a/drivers/media/dvb/frontends/sp887x.c
+++ b/drivers/media/dvb/frontends/sp887x.c
@@ -337,7 +337,8 @@ static int sp887x_setup_frontend_parameters (struct dvb_frontend* fe,
 					     struct dvb_frontend_parameters *p)
 {
 	struct sp887x_state* state = fe->demodulator_priv;
-	int actual_freq, err;
+	unsigned actual_freq;
+	int err;
 	u16 val, reg0xc05;
 
 	if (p->u.ofdm.bandwidth != BANDWIDTH_8_MHZ &&
diff --git a/drivers/media/dvb/ttpci/av7110.c b/drivers/media/dvb/ttpci/av7110.c
index 404108f09d77..c7c770c28988 100644
--- a/drivers/media/dvb/ttpci/av7110.c
+++ b/drivers/media/dvb/ttpci/av7110.c
@@ -381,9 +381,9 @@ static inline void start_debi_dma(struct av7110 *av7110, int dir,
 		irdebi(av7110, DEBISWAB, addr, 0, len);
 }
 
-static void debiirq(unsigned long data)
+static void debiirq(unsigned long cookie)
 {
-	struct av7110 *av7110 = (struct av7110 *) data;
+	struct av7110 *av7110 = (struct av7110 *)cookie;
 	int type = av7110->debitype;
 	int handle = (type >> 8) & 0x1f;
 	unsigned int xfer = 0;
@@ -492,9 +492,9 @@ debi_done:
 }
 
 /* irq from av7110 firmware writing the mailbox register in the DPRAM */
-static void gpioirq(unsigned long data)
+static void gpioirq(unsigned long cookie)
 {
-	struct av7110 *av7110 = (struct av7110 *) data;
+	struct av7110 *av7110 = (struct av7110 *)cookie;
 	u32 rxbuf, txbuf;
 	int len;
 
@@ -1260,9 +1260,9 @@ static int budget_stop_feed(struct dvb_demux_feed *feed)
 	return status;
 }
 
-static void vpeirq(unsigned long data)
+static void vpeirq(unsigned long cookie)
 {
-	struct av7110 *budget = (struct av7110 *) data;
+	struct av7110 *budget = (struct av7110 *)cookie;
 	u8 *mem = (u8 *) (budget->grabbing);
 	u32 olddma = budget->ttbp;
 	u32 newdma = saa7146_read(budget->dev, PCI_VDP3);
diff --git a/drivers/media/video/cpia2/cpia2_core.c b/drivers/media/video/cpia2/cpia2_core.c
index af8b9ec8e358..7e791b6923f9 100644
--- a/drivers/media/video/cpia2/cpia2_core.c
+++ b/drivers/media/video/cpia2/cpia2_core.c
@@ -1537,7 +1537,7 @@ static int config_sensor_500(struct camera_data *cam,
  *
  *  This sets all user changeable properties to the values in cam->params.
  *****************************************************************************/
-int set_all_properties(struct camera_data *cam)
+static int set_all_properties(struct camera_data *cam)
 {
 	/**
 	 * Don't set target_kb here, it will be set later.
@@ -1588,7 +1588,7 @@ void cpia2_save_camera_state(struct camera_data *cam)
  *  get_color_params
  *
  *****************************************************************************/
-void get_color_params(struct camera_data *cam)
+static void get_color_params(struct camera_data *cam)
 {
 	cpia2_do_command(cam, CPIA2_CMD_GET_VP_BRIGHTNESS, TRANSFER_READ, 0);
 	cpia2_do_command(cam, CPIA2_CMD_GET_VP_SATURATION, TRANSFER_READ, 0);
@@ -1881,7 +1881,7 @@ void cpia2_set_saturation(struct camera_data *cam, unsigned char value)
  *  wake_system
  *
  *****************************************************************************/
-void wake_system(struct camera_data *cam)
+static void wake_system(struct camera_data *cam)
 {
 	cpia2_do_command(cam, CPIA2_CMD_SET_WAKEUP, TRANSFER_WRITE, 0);
 }
@@ -1892,7 +1892,7 @@ void wake_system(struct camera_data *cam)
  *
  *  Valid for STV500 sensor only
  *****************************************************************************/
-void set_lowlight_boost(struct camera_data *cam)
+static void set_lowlight_boost(struct camera_data *cam)
 {
 	struct cpia2_command cmd;
 
@@ -2169,7 +2169,7 @@ void cpia2_dbg_dump_registers(struct camera_data *cam)
  *
  *  Sets all values to the defaults
  *****************************************************************************/
-void reset_camera_struct(struct camera_data *cam)
+static void reset_camera_struct(struct camera_data *cam)
 {
 	/***
 	 * The following parameter values are the defaults from the register map.
diff --git a/drivers/media/video/cpia2/cpia2_usb.c b/drivers/media/video/cpia2/cpia2_usb.c
index a8a199047cbd..73511a542077 100644
--- a/drivers/media/video/cpia2/cpia2_usb.c
+++ b/drivers/media/video/cpia2/cpia2_usb.c
@@ -478,7 +478,7 @@ int cpia2_usb_change_streaming_alternate(struct camera_data *cam,
  * set_alternate
  *
  *****************************************************************************/
-int set_alternate(struct camera_data *cam, unsigned int alt)
+static int set_alternate(struct camera_data *cam, unsigned int alt)
 {
 	int ret = 0;
 
diff --git a/drivers/media/video/cx23885/cx23885-417.c b/drivers/media/video/cx23885/cx23885-417.c
index 93777d06d0ac..e54df8195ec4 100644
--- a/drivers/media/video/cx23885/cx23885-417.c
+++ b/drivers/media/video/cx23885/cx23885-417.c
@@ -632,7 +632,7 @@ int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value)
 /* ------------------------------------------------------------------ */
 
 /* MPEG encoder API */
-char *cmd_to_str(int cmd)
+static char *cmd_to_str(int cmd)
 {
 	switch (cmd) {
 	case CX2341X_ENC_PING_FW:
diff --git a/drivers/media/video/cx23885/cx23885-vbi.c b/drivers/media/video/cx23885/cx23885-vbi.c
index 35e61cd112fc..5b297f0323b6 100644
--- a/drivers/media/video/cx23885/cx23885-vbi.c
+++ b/drivers/media/video/cx23885/cx23885-vbi.c
@@ -85,18 +85,8 @@ static int cx23885_start_vbi_dma(struct cx23885_dev    *dev,
 	return 0;
 }
 
-int cx23885_stop_vbi_dma(struct cx23885_dev *dev)
-{
-	/* stop dma */
-	cx_clear(VID_A_DMA_CTL, 0x00000022);
-
-	/* disable irqs */
-	cx_clear(PCI_INT_MSK, 0x000001);
-	cx_clear(VID_A_INT_MSK, 0x00000022);
-	return 0;
-}
 
-int cx23885_restart_vbi_queue(struct cx23885_dev    *dev,
+static int cx23885_restart_vbi_queue(struct cx23885_dev    *dev,
 			     struct cx23885_dmaqueue *q)
 {
 	struct cx23885_buffer *buf;
diff --git a/drivers/media/video/cx23885/cx23885-video.c b/drivers/media/video/cx23885/cx23885-video.c
index d9bef1a54d1f..f75ed1c9b71a 100644
--- a/drivers/media/video/cx23885/cx23885-video.c
+++ b/drivers/media/video/cx23885/cx23885-video.c
@@ -244,7 +244,7 @@ static struct cx23885_ctrl cx23885_ctls[] = {
 };
 static const int CX23885_CTLS = ARRAY_SIZE(cx23885_ctls);
 
-const u32 cx23885_user_ctrls[] = {
+static const u32 cx23885_user_ctrls[] = {
 	V4L2_CID_USER_CLASS,
 	V4L2_CID_BRIGHTNESS,
 	V4L2_CID_CONTRAST,
@@ -254,14 +254,13 @@ const u32 cx23885_user_ctrls[] = {
 	V4L2_CID_AUDIO_MUTE,
 	0
 };
-EXPORT_SYMBOL(cx23885_user_ctrls);
 
 static const u32 *ctrl_classes[] = {
 	cx23885_user_ctrls,
 	NULL
 };
 
-void cx23885_video_wakeup(struct cx23885_dev *dev,
+static void cx23885_video_wakeup(struct cx23885_dev *dev,
 		 struct cx23885_dmaqueue *q, u32 count)
 {
 	struct cx23885_buffer *buf;
@@ -296,7 +295,7 @@ void cx23885_video_wakeup(struct cx23885_dev *dev,
 			__func__, bc);
 }
 
-int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm)
+static int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm)
 {
 	dprintk(1, "%s(norm = 0x%08x) name: [%s]\n",
 		__func__,
@@ -314,7 +313,7 @@ int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm)
 	return 0;
 }
 
-struct video_device *cx23885_vdev_init(struct cx23885_dev *dev,
+static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev,
 				    struct pci_dev *pci,
 				    struct video_device *template,
 				    char *type)
@@ -334,7 +333,7 @@ struct video_device *cx23885_vdev_init(struct cx23885_dev *dev,
 	return vfd;
 }
 
-int cx23885_ctrl_query(struct v4l2_queryctrl *qctrl)
+static int cx23885_ctrl_query(struct v4l2_queryctrl *qctrl)
 {
 	int i;
 
@@ -351,7 +350,6 @@ int cx23885_ctrl_query(struct v4l2_queryctrl *qctrl)
 	*qctrl = cx23885_ctls[i].v;
 	return 0;
 }
-EXPORT_SYMBOL(cx23885_ctrl_query);
 
 /* ------------------------------------------------------------------- */
 /* resource management                                                 */
@@ -402,7 +400,7 @@ static void res_free(struct cx23885_dev *dev, struct cx23885_fh *fh,
 	mutex_unlock(&dev->lock);
 }
 
-int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input)
+static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input)
 {
 	struct v4l2_routing route;
 	memset(&route, 0, sizeof(route));
@@ -422,10 +420,9 @@ int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input)
 
 	return 0;
 }
-EXPORT_SYMBOL(cx23885_video_mux);
 
 /* ------------------------------------------------------------------ */
-int cx23885_set_scale(struct cx23885_dev *dev, unsigned int width,
+static int cx23885_set_scale(struct cx23885_dev *dev, unsigned int width,
 	unsigned int height, enum v4l2_field field)
 {
 	dprintk(1, "%s()\n", __func__);
@@ -890,21 +887,19 @@ static int video_mmap(struct file *file, struct vm_area_struct *vma)
 /* ------------------------------------------------------------------ */
 /* VIDEO CTRL IOCTLS                                                  */
 
-int cx23885_get_control(struct cx23885_dev *dev, struct v4l2_control *ctl)
+static int cx23885_get_control(struct cx23885_dev *dev, struct v4l2_control *ctl)
 {
 	dprintk(1, "%s() calling cx25840(VIDIOC_G_CTRL)\n", __func__);
 	cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_G_CTRL, ctl);
 	return 0;
 }
-EXPORT_SYMBOL(cx23885_get_control);
 
-int cx23885_set_control(struct cx23885_dev *dev, struct v4l2_control *ctl)
+static int cx23885_set_control(struct cx23885_dev *dev, struct v4l2_control *ctl)
 {
 	dprintk(1, "%s() calling cx25840(VIDIOC_S_CTRL)"
 		" (disabled - no action)\n", __func__);
 	return 0;
 }
-EXPORT_SYMBOL(cx23885_set_control);
 
 static void init_controls(struct cx23885_dev *dev)
 {
@@ -1152,7 +1147,7 @@ static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *tvnorms)
 	return 0;
 }
 
-int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i)
+static int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i)
 {
 	static const char *iname[] = {
 		[CX23885_VMUX_COMPOSITE1] = "Composite1",
@@ -1185,7 +1180,6 @@ int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i)
 		i->std = CX23885_NORMS;
 	return 0;
 }
-EXPORT_SYMBOL(cx23885_enum_input);
 
 static int vidioc_enum_input(struct file *file, void *priv,
 				struct v4l2_input *i)
@@ -1294,7 +1288,7 @@ static int vidioc_g_frequency(struct file *file, void *priv,
 	return 0;
 }
 
-int cx23885_set_freq(struct cx23885_dev *dev, struct v4l2_frequency *f)
+static int cx23885_set_freq(struct cx23885_dev *dev, struct v4l2_frequency *f)
 {
 	if (unlikely(UNSET == dev->tuner_type))
 		return -EINVAL;
@@ -1313,7 +1307,6 @@ int cx23885_set_freq(struct cx23885_dev *dev, struct v4l2_frequency *f)
 
 	return 0;
 }
-EXPORT_SYMBOL(cx23885_set_freq);
 
 static int vidioc_s_frequency(struct file *file, void *priv,
 				struct v4l2_frequency *f)
diff --git a/drivers/media/video/em28xx/em28xx-dvb.c b/drivers/media/video/em28xx/em28xx-dvb.c
index d2b1a1a52689..ea4f2a97bd2d 100644
--- a/drivers/media/video/em28xx/em28xx-dvb.c
+++ b/drivers/media/video/em28xx/em28xx-dvb.c
@@ -274,7 +274,7 @@ static int attach_xc3028(u8 addr, struct em28xx *dev)
 
 /* ------------------------------------------------------------------ */
 
-int register_dvb(struct em28xx_dvb *dvb,
+static int register_dvb(struct em28xx_dvb *dvb,
 		 struct module *module,
 		 struct em28xx *dev,
 		 struct device *device)
diff --git a/drivers/media/video/em28xx/em28xx-i2c.c b/drivers/media/video/em28xx/em28xx-i2c.c
index 97853384c943..2989a65f6917 100644
--- a/drivers/media/video/em28xx/em28xx-i2c.c
+++ b/drivers/media/video/em28xx/em28xx-i2c.c
@@ -143,10 +143,11 @@ static int em2800_i2c_check_for_device(struct em28xx *dev, unsigned char addr)
 	}
 	for (write_timeout = EM2800_I2C_WRITE_TIMEOUT; write_timeout > 0;
 	     write_timeout -= 5) {
-		unsigned msg = dev->em28xx_read_reg(dev, 0x5);
-		if (msg == 0x94)
+		unsigned reg = dev->em28xx_read_reg(dev, 0x5);
+
+		if (reg == 0x94)
 			return -ENODEV;
-		else if (msg == 0x84)
+		else if (reg == 0x84)
 			return 0;
 		msleep(5);
 	}
diff --git a/drivers/media/video/em28xx/em28xx.h b/drivers/media/video/em28xx/em28xx.h
index 9a3310748685..d992280613b2 100644
--- a/drivers/media/video/em28xx/em28xx.h
+++ b/drivers/media/video/em28xx/em28xx.h
@@ -411,8 +411,8 @@ struct em28xx {
 	/* frame properties */
 	int width;		/* current frame width */
 	int height;		/* current frame height */
-	int hscale;		/* horizontal scale factor (see datasheet) */
-	int vscale;		/* vertical scale factor (see datasheet) */
+	unsigned hscale;	/* horizontal scale factor (see datasheet) */
+	unsigned vscale;	/* vertical scale factor (see datasheet) */
 	int interlaced;		/* 1=interlace fileds, 0=just top fileds */
 	unsigned int video_bytesread;	/* Number of bytes read */
 
diff --git a/drivers/media/video/gspca/sonixb.c b/drivers/media/video/gspca/sonixb.c
index 12b81ae526b7..4328ad44c40a 100644
--- a/drivers/media/video/gspca/sonixb.c
+++ b/drivers/media/video/gspca/sonixb.c
@@ -490,7 +490,7 @@ static const __u8 tas5130_sensor_init[][8] = {
 	{0x30, 0x11, 0x02, 0x20, 0x70, 0x00, 0x00, 0x10},
 };
 
-struct sensor_data sensor_data[] = {
+static struct sensor_data sensor_data[] = {
 SENS(initHv7131, NULL, hv7131_sensor_init, NULL, NULL, 0, NO_EXPO|NO_FREQ, 0),
 SENS(initOv6650, NULL, ov6650_sensor_init, NULL, NULL, F_GAIN|F_SIF, 0, 0x60),
 SENS(initOv7630, initOv7630_3, ov7630_sensor_init, NULL, ov7630_sensor_init_3,
diff --git a/drivers/media/video/gspca/vc032x.c b/drivers/media/video/gspca/vc032x.c
index bd4c226c9a07..0c68f433bb9b 100644
--- a/drivers/media/video/gspca/vc032x.c
+++ b/drivers/media/video/gspca/vc032x.c
@@ -80,7 +80,6 @@ static struct ctrl sd_ctrls[] = {
 		.step    = 1,
 #define FREQ_DEF 1
 		.default_value = FREQ_DEF,
-		.default_value = 1,
 	    },
 	    .set = sd_setfreq,
 	    .get = sd_getfreq,
diff --git a/drivers/media/video/ovcamchip/ovcamchip_core.c b/drivers/media/video/ovcamchip/ovcamchip_core.c
index 065c2454113e..2c4acbf5a4fe 100644
--- a/drivers/media/video/ovcamchip/ovcamchip_core.c
+++ b/drivers/media/video/ovcamchip/ovcamchip_core.c
@@ -49,12 +49,6 @@ MODULE_LICENSE("GPL");
 #define GENERIC_REG_ID_LOW        0x1D	/* manufacturer ID LSB */
 #define GENERIC_REG_COM_I         0x29	/* misc ID bits */
 
-extern struct ovcamchip_ops ov6x20_ops;
-extern struct ovcamchip_ops ov6x30_ops;
-extern struct ovcamchip_ops ov7x10_ops;
-extern struct ovcamchip_ops ov7x20_ops;
-extern struct ovcamchip_ops ov76be_ops;
-
 static char *chip_names[NUM_CC_TYPES] = {
 	[CC_UNKNOWN]	= "Unknown chip",
 	[CC_OV76BE]	= "OV76BE",
diff --git a/drivers/media/video/ovcamchip/ovcamchip_priv.h b/drivers/media/video/ovcamchip/ovcamchip_priv.h
index 9afa4fe47726..a05650faedda 100644
--- a/drivers/media/video/ovcamchip/ovcamchip_priv.h
+++ b/drivers/media/video/ovcamchip/ovcamchip_priv.h
@@ -53,6 +53,12 @@ struct ovcamchip {
 	int initialized;           /* OVCAMCHIP_CMD_INITIALIZE was successful */
 };
 
+extern struct ovcamchip_ops ov6x20_ops;
+extern struct ovcamchip_ops ov6x30_ops;
+extern struct ovcamchip_ops ov7x10_ops;
+extern struct ovcamchip_ops ov7x20_ops;
+extern struct ovcamchip_ops ov76be_ops;
+
 /* --------------------------------- */
 /*              I2C I/O              */
 /* --------------------------------- */
diff --git a/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c b/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c
index 77289a1c8cb2..d6a35401fefb 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c
@@ -827,7 +827,7 @@ static unsigned int pvr2_i2c_client_describe(struct pvr2_i2c_client *cp,
 	if ((detail & PVR2_I2C_DETAIL_CTLMASK) && cp->ctl_mask) {
 		unsigned int idx;
 		unsigned long msk,sm;
-		int spcfl;
+
 		bcnt = scnprintf(buf,maxlen," [");
 		ccnt += bcnt; buf += bcnt; maxlen -= bcnt;
 		sm = 0;
diff --git a/drivers/media/video/s2255drv.c b/drivers/media/video/s2255drv.c
index b8e104552206..5272926db73e 100644
--- a/drivers/media/video/s2255drv.c
+++ b/drivers/media/video/s2255drv.c
@@ -491,7 +491,7 @@ static void planar422p_to_yuv_packed(const unsigned char *in,
 	return;
 }
 
-void s2255_reset_dsppower(struct s2255_dev *dev)
+static void s2255_reset_dsppower(struct s2255_dev *dev)
 {
 	s2255_vendor_req(dev, 0x40, 0x0b0b, 0x0b0b, NULL, 0, 1);
 	msleep(10);
diff --git a/drivers/media/video/sn9c102/sn9c102_core.c b/drivers/media/video/sn9c102/sn9c102_core.c
index 4b76c45c148c..20e30bd9364b 100644
--- a/drivers/media/video/sn9c102/sn9c102_core.c
+++ b/drivers/media/video/sn9c102/sn9c102_core.c
@@ -116,6 +116,26 @@ MODULE_PARM_DESC(debug,
 		 "\n");
 #endif
 
+/*
+   Add the probe entries to this table. Be sure to add the entry in the right
+   place, since, on failure, the next probing routine is called according to
+   the order of the list below, from top to bottom.
+*/
+static int (*sn9c102_sensor_table[])(struct sn9c102_device *) = {
+	&sn9c102_probe_hv7131d, /* strong detection based on SENSOR ids */
+	&sn9c102_probe_hv7131r, /* strong detection based on SENSOR ids */
+	&sn9c102_probe_mi0343, /* strong detection based on SENSOR ids */
+	&sn9c102_probe_mi0360, /* strong detection based on SENSOR ids */
+	&sn9c102_probe_mt9v111, /* strong detection based on SENSOR ids */
+	&sn9c102_probe_pas106b, /* strong detection based on SENSOR ids */
+	&sn9c102_probe_pas202bcb, /* strong detection based on SENSOR ids */
+	&sn9c102_probe_ov7630, /* strong detection based on SENSOR ids */
+	&sn9c102_probe_ov7660, /* strong detection based on SENSOR ids */
+	&sn9c102_probe_tas5110c1b, /* detection based on USB pid/vid */
+	&sn9c102_probe_tas5110d, /* detection based on USB pid/vid */
+	&sn9c102_probe_tas5130d1b, /* detection based on USB pid/vid */
+};
+
 /*****************************************************************************/
 
 static u32
diff --git a/drivers/media/video/sn9c102/sn9c102_devtable.h b/drivers/media/video/sn9c102/sn9c102_devtable.h
index 90a401dc3884..e23734f6d6e2 100644
--- a/drivers/media/video/sn9c102/sn9c102_devtable.h
+++ b/drivers/media/video/sn9c102/sn9c102_devtable.h
@@ -140,24 +140,4 @@ extern int sn9c102_probe_tas5110c1b(struct sn9c102_device* cam);
 extern int sn9c102_probe_tas5110d(struct sn9c102_device* cam);
 extern int sn9c102_probe_tas5130d1b(struct sn9c102_device* cam);
 
-/*
-   Add the above entries to this table. Be sure to add the entry in the right
-   place, since, on failure, the next probing routine is called according to
-   the order of the list below, from top to bottom.
-*/
-static int (*sn9c102_sensor_table[])(struct sn9c102_device*) = {
-	&sn9c102_probe_hv7131d, /* strong detection based on SENSOR ids */
-	&sn9c102_probe_hv7131r, /* strong detection based on SENSOR ids */
-	&sn9c102_probe_mi0343, /* strong detection based on SENSOR ids */
-	&sn9c102_probe_mi0360, /* strong detection based on SENSOR ids */
-	&sn9c102_probe_mt9v111, /* strong detection based on SENSOR ids */
-	&sn9c102_probe_pas106b, /* strong detection based on SENSOR ids */
-	&sn9c102_probe_pas202bcb, /* strong detection based on SENSOR ids */
-	&sn9c102_probe_ov7630, /* strong detection based on SENSOR ids */
-	&sn9c102_probe_ov7660, /* strong detection based on SENSOR ids */
-	&sn9c102_probe_tas5110c1b, /* detection based on USB pid/vid */
-	&sn9c102_probe_tas5110d, /* detection based on USB pid/vid */
-	&sn9c102_probe_tas5130d1b, /* detection based on USB pid/vid */
-};
-
 #endif /* _SN9C102_DEVTABLE_H_ */
diff --git a/drivers/media/video/sn9c102/sn9c102_hv7131d.c b/drivers/media/video/sn9c102/sn9c102_hv7131d.c
index eaf9ad0dc8a6..db2434948939 100644
--- a/drivers/media/video/sn9c102/sn9c102_hv7131d.c
+++ b/drivers/media/video/sn9c102/sn9c102_hv7131d.c
@@ -20,6 +20,7 @@
  ***************************************************************************/
 
 #include "sn9c102_sensor.h"
+#include "sn9c102_devtable.h"
 
 
 static int hv7131d_init(struct sn9c102_device* cam)
diff --git a/drivers/media/video/sn9c102/sn9c102_hv7131r.c b/drivers/media/video/sn9c102/sn9c102_hv7131r.c
index 0fc401223cfc..4295887ff609 100644
--- a/drivers/media/video/sn9c102/sn9c102_hv7131r.c
+++ b/drivers/media/video/sn9c102/sn9c102_hv7131r.c
@@ -20,6 +20,7 @@
  ***************************************************************************/
 
 #include "sn9c102_sensor.h"
+#include "sn9c102_devtable.h"
 
 
 static int hv7131r_init(struct sn9c102_device* cam)
diff --git a/drivers/media/video/sn9c102/sn9c102_mi0343.c b/drivers/media/video/sn9c102/sn9c102_mi0343.c
index 00b134ca0a3d..1f5b09bec89c 100644
--- a/drivers/media/video/sn9c102/sn9c102_mi0343.c
+++ b/drivers/media/video/sn9c102/sn9c102_mi0343.c
@@ -20,6 +20,7 @@
  ***************************************************************************/
 
 #include "sn9c102_sensor.h"
+#include "sn9c102_devtable.h"
 
 
 static int mi0343_init(struct sn9c102_device* cam)
diff --git a/drivers/media/video/sn9c102/sn9c102_mi0360.c b/drivers/media/video/sn9c102/sn9c102_mi0360.c
index f8d81d82e8d5..d973fc1973d9 100644
--- a/drivers/media/video/sn9c102/sn9c102_mi0360.c
+++ b/drivers/media/video/sn9c102/sn9c102_mi0360.c
@@ -20,6 +20,7 @@
  ***************************************************************************/
 
 #include "sn9c102_sensor.h"
+#include "sn9c102_devtable.h"
 
 
 static int mi0360_init(struct sn9c102_device* cam)
diff --git a/drivers/media/video/sn9c102/sn9c102_mt9v111.c b/drivers/media/video/sn9c102/sn9c102_mt9v111.c
index 3b98ac3bbc38..95986eb492e4 100644
--- a/drivers/media/video/sn9c102/sn9c102_mt9v111.c
+++ b/drivers/media/video/sn9c102/sn9c102_mt9v111.c
@@ -20,6 +20,7 @@
  ***************************************************************************/
 
 #include "sn9c102_sensor.h"
+#include "sn9c102_devtable.h"
 
 
 static int mt9v111_init(struct sn9c102_device *cam)
diff --git a/drivers/media/video/sn9c102/sn9c102_ov7630.c b/drivers/media/video/sn9c102/sn9c102_ov7630.c
index e4856fd77982..803712c29f02 100644
--- a/drivers/media/video/sn9c102/sn9c102_ov7630.c
+++ b/drivers/media/video/sn9c102/sn9c102_ov7630.c
@@ -20,6 +20,7 @@
  ***************************************************************************/
 
 #include "sn9c102_sensor.h"
+#include "sn9c102_devtable.h"
 
 
 static int ov7630_init(struct sn9c102_device* cam)
diff --git a/drivers/media/video/sn9c102/sn9c102_ov7660.c b/drivers/media/video/sn9c102/sn9c102_ov7660.c
index 8aae416ba8ec..7977795d342b 100644
--- a/drivers/media/video/sn9c102/sn9c102_ov7660.c
+++ b/drivers/media/video/sn9c102/sn9c102_ov7660.c
@@ -20,6 +20,7 @@
  ***************************************************************************/
 
 #include "sn9c102_sensor.h"
+#include "sn9c102_devtable.h"
 
 
 static int ov7660_init(struct sn9c102_device* cam)
diff --git a/drivers/media/video/sn9c102/sn9c102_pas106b.c b/drivers/media/video/sn9c102/sn9c102_pas106b.c
index 360f2a848bc0..81cd969c1b7b 100644
--- a/drivers/media/video/sn9c102/sn9c102_pas106b.c
+++ b/drivers/media/video/sn9c102/sn9c102_pas106b.c
@@ -21,6 +21,7 @@
 
 #include <linux/delay.h>
 #include "sn9c102_sensor.h"
+#include "sn9c102_devtable.h"
 
 
 static int pas106b_init(struct sn9c102_device* cam)
diff --git a/drivers/media/video/sn9c102/sn9c102_pas202bcb.c b/drivers/media/video/sn9c102/sn9c102_pas202bcb.c
index ca4a1506ed3d..2782f94cf6f8 100644
--- a/drivers/media/video/sn9c102/sn9c102_pas202bcb.c
+++ b/drivers/media/video/sn9c102/sn9c102_pas202bcb.c
@@ -26,6 +26,7 @@
 
 #include <linux/delay.h>
 #include "sn9c102_sensor.h"
+#include "sn9c102_devtable.h"
 
 
 static int pas202bcb_init(struct sn9c102_device* cam)
diff --git a/drivers/media/video/sn9c102/sn9c102_tas5110c1b.c b/drivers/media/video/sn9c102/sn9c102_tas5110c1b.c
index e7d2de2bace1..04cdfdde8564 100644
--- a/drivers/media/video/sn9c102/sn9c102_tas5110c1b.c
+++ b/drivers/media/video/sn9c102/sn9c102_tas5110c1b.c
@@ -20,6 +20,7 @@
  ***************************************************************************/
 
 #include "sn9c102_sensor.h"
+#include "sn9c102_devtable.h"
 
 
 static int tas5110c1b_init(struct sn9c102_device* cam)
diff --git a/drivers/media/video/sn9c102/sn9c102_tas5110d.c b/drivers/media/video/sn9c102/sn9c102_tas5110d.c
index d32fdbccdc5e..9372e6f9fcff 100644
--- a/drivers/media/video/sn9c102/sn9c102_tas5110d.c
+++ b/drivers/media/video/sn9c102/sn9c102_tas5110d.c
@@ -20,6 +20,7 @@
  ***************************************************************************/
 
 #include "sn9c102_sensor.h"
+#include "sn9c102_devtable.h"
 
 
 static int tas5110d_init(struct sn9c102_device* cam)
diff --git a/drivers/media/video/sn9c102/sn9c102_tas5130d1b.c b/drivers/media/video/sn9c102/sn9c102_tas5130d1b.c
index 56fb1d575a8a..a30bbc4389f5 100644
--- a/drivers/media/video/sn9c102/sn9c102_tas5130d1b.c
+++ b/drivers/media/video/sn9c102/sn9c102_tas5130d1b.c
@@ -20,6 +20,7 @@
  ***************************************************************************/
 
 #include "sn9c102_sensor.h"
+#include "sn9c102_devtable.h"
 
 
 static int tas5130d1b_init(struct sn9c102_device* cam)
diff --git a/drivers/media/video/zoran_device.c b/drivers/media/video/zoran_device.c
index 2b3ca1493373..5d948ff7faf0 100644
--- a/drivers/media/video/zoran_device.c
+++ b/drivers/media/video/zoran_device.c
@@ -58,8 +58,6 @@
 		   ZR36057_ISR_GIRQ1 | \
 		   ZR36057_ISR_JPEGRepIRQ )
 
-extern const struct zoran_format zoran_formats[];
-
 static int lml33dpath;		/* default = 0
 				 * 1 will use digital path in capture
 				 * mode instead of analog. It can be
diff --git a/drivers/media/video/zoran_device.h b/drivers/media/video/zoran_device.h
index 37fa86a34083..74c6c8edb7d0 100644
--- a/drivers/media/video/zoran_device.h
+++ b/drivers/media/video/zoran_device.h
@@ -78,6 +78,14 @@ extern void zoran_set_pci_master(struct zoran *zr,
 extern void zoran_init_hardware(struct zoran *zr);
 extern void zr36057_restart(struct zoran *zr);
 
+extern const struct zoran_format zoran_formats[];
+
+extern int v4l_nbufs;
+extern int v4l_bufsize;
+extern int jpg_nbufs;
+extern int jpg_bufsize;
+extern int pass_through;
+
 /* i2c */
 extern int decoder_command(struct zoran *zr,
 			   int cmd,
diff --git a/drivers/media/video/zoran_driver.c b/drivers/media/video/zoran_driver.c
index 4aa1a765626d..f0af9b7f8ffc 100644
--- a/drivers/media/video/zoran_driver.c
+++ b/drivers/media/video/zoran_driver.c
@@ -194,12 +194,6 @@ const struct zoran_format zoran_formats[] = {
 // RJ: Test only - want to test BUZ_USE_HIMEM even when CONFIG_BIGPHYS_AREA is defined
 
 
-extern int v4l_nbufs;
-extern int v4l_bufsize;
-extern int jpg_nbufs;
-extern int jpg_bufsize;
-extern int pass_through;
-
 static int lock_norm;	/* 0 = default 1 = Don't change TV standard (norm) */
 module_param(lock_norm, int, 0644);
 MODULE_PARM_DESC(lock_norm, "Prevent norm changes (1 = ignore, >1 = fail)");
-- 
2.34.1