Description: Make internal functions static
Author: Simon Richter <sjr@debian.org>
Last-Update: 2013-01-08

Index: langford-0.0.20130228/langford.c
===================================================================
--- langford-0.0.20130228.orig/langford.c
+++ langford-0.0.20130228/langford.c
@@ -54,7 +54,7 @@ static struct task_struct	*dev_write_thr
 
 /**Figures out elements are used in a circular buffer
 */
-int circ_buff_filled(int start, int end, int len) {
+static int circ_buff_filled(int start, int end, int len) {
 	int		rc;
 
 	rc = end - start;
@@ -69,7 +69,7 @@ int circ_buff_filled(int start, int end,
 
 /**Figures out how many elements of a circular buffer are available to be filled
 */
-int circ_buff_avail(int start, int end, int len) {
+static int circ_buff_avail(int start, int end, int len) {
 	return len - circ_buff_filled(start, end, len) - 1;
 };
 
@@ -81,7 +81,7 @@ This thread:
 - constantly performs read operations from the device via DMA
 - copy transferred rx data to cdev_read_buff
 */
-int dev_read_task(void *data) {
+static int dev_read_task(void *data) {
 	int		DescLevel;					/*Descriptor FIFO level read from device*/
 	int		DescActive, DescComp;		/*Number of descriptors to be serviced and the number of completed descriptors*/
 	int		BuffStart, BuffEnd;			/*Indices to beginning and end of DMA buffers ring array (DevPrivData->RxDmaBuffsBusAddr)*/
@@ -222,7 +222,7 @@ This thread:
 - reads tx data from cdev_write_buff
 - constantly performs write operations to the device via DMA
 */
-int dev_write_task(void *data) {
+static int dev_write_task(void *data) {
 	int		DescLevel;					/*Descriptor FIFO level read from device*/
 	int		DescActive, DescComp;		/*Number of descriptors to be serviced and the number of completed descriptors*/
 	int		BuffStart, BuffEnd;			/*Indices to beginning and end of DMA buffers ring array (DevPrivData->TxDmaBuffsBusAddr)*/
@@ -446,7 +446,7 @@ static ssize_t cdev_write(struct file *f
 
 /**Helper function for ioctrl (called ioctl handler and driver)
 */
-int ioctl_helper(int cmd, int *parg) {
+static int ioctl_helper(int cmd, int *parg) {
 	int		AddrOffset;
 	int		BitOffset;
 
@@ -696,7 +696,7 @@ static void destroy_dma_buffs(uint8_t **
 State = 1 - Power on
 State = 0 - Power off
 */
-void PowerPeriph(int State) {
+static void PowerPeriph(int State) {
 	int		nState = !State;
 	int		Val1 = 1;
 	State = !nState;
