Usbvision: possible cleanups

From: Adrian Bunk <bunk@stusta.de>

This patch contains the following possible cleanups:
- make needlessly global functions static
- remove the unused EXPORT_SYMBOL's

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

4 files changed, 21 insertions, 21 deletions

diff --git a/linux/drivers/media/video/usbvision/usbvision-core.c b/linux/drivers/media/video/usbvision/usbvision-core.c
index 87d8c5301..81a4f6eb5 100644
--- a/linux/drivers/media/video/usbvision/usbvision-core.c
+++ b/linux/drivers/media/video/usbvision/usbvision-core.c
@@ -125,7 +125,7 @@ static int usbvision_measure_bandwidth (struct usb_usbvision *usbvision);
  * This is used when initializing the contents of the area.
  */
 
-void *usbvision_rvmalloc(unsigned long size)
+static void *usbvision_rvmalloc(unsigned long size)
 {
 	void *mem;
 	unsigned long adr;
@@ -221,7 +221,7 @@ static void usbvision_hexdump(const unsigned char *data, int len)
 /********************************
  * scratch ring buffer handling
  ********************************/
-int scratch_len(struct usb_usbvision *usbvision)    /*This returns the amount of data actually in the buffer */
+static int scratch_len(struct usb_usbvision *usbvision)    /*This returns the amount of data actually in the buffer */
 {
 	int len = usbvision->scratch_write_ptr - usbvision->scratch_read_ptr;
 	if (len < 0) {
@@ -234,7 +234,7 @@ int scratch_len(struct usb_usbvision *usbvision)    /*This returns the amount of
 
 
 /* This returns the free space left in the buffer */
-int scratch_free(struct usb_usbvision *usbvision)
+static int scratch_free(struct usb_usbvision *usbvision)
 {
 	int free = usbvision->scratch_read_ptr - usbvision->scratch_write_ptr;
 	if (free <= 0) {
@@ -251,7 +251,8 @@ int scratch_free(struct usb_usbvision *usbvision)
 
 
 /* This puts data into the buffer */
-int scratch_put(struct usb_usbvision *usbvision, unsigned char *data, int len)
+static int scratch_put(struct usb_usbvision *usbvision, unsigned char *data,
+		       int len)
 {
 	int len_part;
 
@@ -277,7 +278,7 @@ int scratch_put(struct usb_usbvision *usbvision, unsigned char *data, int len)
 }
 
 /* This marks the write_ptr as position of new frame header */
-void scratch_mark_header(struct usb_usbvision *usbvision)
+static void scratch_mark_header(struct usb_usbvision *usbvision)
 {
 	PDEBUG(DBG_SCRATCH, "header at write_ptr=%d\n", usbvision->scratch_headermarker_write_ptr);
 
@@ -288,7 +289,8 @@ void scratch_mark_header(struct usb_usbvision *usbvision)
 }
 
 /* This gets data from the buffer at the given "ptr" position */
-int scratch_get_extra(struct usb_usbvision *usbvision, unsigned char *data, int *ptr, int len)
+static int scratch_get_extra(struct usb_usbvision *usbvision,
+			     unsigned char *data, int *ptr, int len)
 {
 	int len_part;
 	if (*ptr + len < scratch_buf_size) {
@@ -314,7 +316,8 @@ int scratch_get_extra(struct usb_usbvision *usbvision, unsigned char *data, int
 
 
 /* This sets the scratch extra read pointer */
-void scratch_set_extra_ptr(struct usb_usbvision *usbvision, int *ptr, int len)
+static void scratch_set_extra_ptr(struct usb_usbvision *usbvision, int *ptr,
+				  int len)
 {
 	*ptr = (usbvision->scratch_read_ptr + len)%scratch_buf_size;
 
@@ -323,7 +326,7 @@ void scratch_set_extra_ptr(struct usb_usbvision *usbvision, int *ptr, int len)
 
 
 /*This increments the scratch extra read pointer */
-void scratch_inc_extra_ptr(int *ptr, int len)
+static void scratch_inc_extra_ptr(int *ptr, int len)
 {
 	*ptr = (*ptr + len) % scratch_buf_size;
 
@@ -332,7 +335,8 @@ void scratch_inc_extra_ptr(int *ptr, int len)
 
 
 /* This gets data from the buffer */
-int scratch_get(struct usb_usbvision *usbvision, unsigned char *data, int len)
+static int scratch_get(struct usb_usbvision *usbvision, unsigned char *data,
+		       int len)
 {
 	int len_part;
 	if (usbvision->scratch_read_ptr + len < scratch_buf_size) {
@@ -358,7 +362,8 @@ int scratch_get(struct usb_usbvision *usbvision, unsigned char *data, int len)
 
 
 /* This sets read pointer to next header and returns it */
-int scratch_get_header(struct usb_usbvision *usbvision,struct usbvision_frame_header *header)
+static int scratch_get_header(struct usb_usbvision *usbvision,
+			      struct usbvision_frame_header *header)
 {
 	int errCode = 0;
 
@@ -386,7 +391,7 @@ int scratch_get_header(struct usb_usbvision *usbvision,struct usbvision_frame_he
 
 
 /*This removes len bytes of old data from the buffer */
-void scratch_rm_old(struct usb_usbvision *usbvision, int len)
+static void scratch_rm_old(struct usb_usbvision *usbvision, int len)
 {
 
 	usbvision->scratch_read_ptr += len;
@@ -396,7 +401,7 @@ void scratch_rm_old(struct usb_usbvision *usbvision, int len)
 
 
 /*This resets the buffer - kills all data in it too */
-void scratch_reset(struct usb_usbvision *usbvision)
+static void scratch_reset(struct usb_usbvision *usbvision)
 {
 	PDEBUG(DBG_SCRATCH, "\n");
 
@@ -439,8 +444,8 @@ void usbvision_scratch_free(struct usb_usbvision *usbvision)
  *		1: Draw a colored grid
  *
  */
-void usbvision_testpattern(struct usb_usbvision *usbvision, int fullframe,
-			int pmode)
+static void usbvision_testpattern(struct usb_usbvision *usbvision,
+				  int fullframe, int pmode)
 {
 	static const char proc[] = "usbvision_testpattern";
 	struct usbvision_frame *frame;
diff --git a/linux/drivers/media/video/usbvision/usbvision-i2c.c b/linux/drivers/media/video/usbvision/usbvision-i2c.c
index 500b18b5a..27a600f95 100644
--- a/linux/drivers/media/video/usbvision/usbvision-i2c.c
+++ b/linux/drivers/media/video/usbvision/usbvision-i2c.c
@@ -233,7 +233,7 @@ static struct i2c_algorithm i2c_usb_algo = {
 /*
  * registering functions to load algorithms at runtime
  */
-int usbvision_i2c_usb_add_bus(struct i2c_adapter *adap)
+static int usbvision_i2c_usb_add_bus(struct i2c_adapter *adap)
 {
 	PDEBUG(DBG_I2C, "I2C   debugging is enabled [i2c]");
 	PDEBUG(DBG_ALGO, "ALGO   debugging is enabled [i2c]");
@@ -602,9 +602,6 @@ static struct i2c_client i2c_client_template = {
 #endif
 };
 
-EXPORT_SYMBOL(usbvision_i2c_usb_add_bus);
-EXPORT_SYMBOL(usbvision_i2c_usb_del_bus);
-
 /*
  * Overrides for Emacs so that we follow Linus's tabbing style.
  * ---------------------------------------------------------------------------
diff --git a/linux/drivers/media/video/usbvision/usbvision-video.c b/linux/drivers/media/video/usbvision/usbvision-video.c
index 1eaf26761..2fb71fbd7 100644
--- a/linux/drivers/media/video/usbvision/usbvision-video.c
+++ b/linux/drivers/media/video/usbvision/usbvision-video.c
@@ -2124,7 +2124,7 @@ static struct usb_driver usbvision_driver = {
  * This procedure preprocesses CustomDevice parameter if any
  *
  */
-void customdevice_process(void)
+static void customdevice_process(void)
 {
 	usbvision_device_data[0]=usbvision_device_data[1];
 	usbvision_table[0]=usbvision_table[1];
diff --git a/linux/drivers/media/video/usbvision/usbvision.h b/linux/drivers/media/video/usbvision/usbvision.h
index b24fc27e0..c179c66bd 100644
--- a/linux/drivers/media/video/usbvision/usbvision.h
+++ b/linux/drivers/media/video/usbvision/usbvision.h
@@ -493,7 +493,6 @@ struct usb_usbvision {
 /* i2c-algo-usb declaration                                        */
 /* --------------------------------------------------------------- */
 
-int usbvision_i2c_usb_add_bus(struct i2c_adapter *);
 int usbvision_i2c_usb_del_bus(struct i2c_adapter *);
 
 static inline void *i2c_get_algo_usb_data (struct i2c_algo_usb_data *dev)
@@ -535,7 +534,6 @@ int usbvision_init_i2c(struct usb_usbvision *usbvision);
 void call_i2c_clients(struct usb_usbvision *usbvision, unsigned int cmd,void *arg);
 
 /* defined in usbvision-core.c                                      */
-void *usbvision_rvmalloc(unsigned long size);
 void usbvision_rvfree(void *mem, unsigned long size);
 int usbvision_read_reg(struct usb_usbvision *usbvision, unsigned char reg);
 int usbvision_write_reg(struct usb_usbvision *usbvision, unsigned char reg,