Make thirty functions static to reduce binary size

If any of those functions should be (unused) API functions,
they can easily be turned back once really needed.

Detected using a new cppcheck check that
uses the internal symbol database to catch
functions that are only used in the current file.

Change-Id: Ic2b1e5b8020b76397f11cefc4e205f3b7ac1f184

3 files changed, 15 insertions, 15 deletions

diff --git a/firmware/drivers/ata_flash.c b/firmware/drivers/ata_flash.c
index de2988b9be..96ea1cfa68 100644
--- a/firmware/drivers/ata_flash.c
+++ b/firmware/drivers/ata_flash.c
@@ -73,7 +73,7 @@ struct flash_disk
 
 static struct flash_disk flash_disk;
 
-void flash_select_chip(int no, int sel)
+static void flash_select_chip(int no, int sel)
 {
 #if CONFIG_FLASH == FLASH_IFP7XX
     if (sel)
@@ -115,7 +115,7 @@ static void flash_wait_ready(void)
 
 static unsigned char model_n_sectors_order[] = {0, 19, 20};
 
-int flash_map_sector(int sector, int* chip, int* chip_sector)
+static int flash_map_sector(int sector, int* chip, int* chip_sector)
 {
     int ord, c;
     if (flash_disk.model ==  FLASH_MODEL_NONE)
@@ -132,7 +132,7 @@ int flash_map_sector(int sector, int* chip, int* chip_sector)
     return 0;
 }
 
-int flash_read_id(int no) {
+static int flash_read_id(int no) {
     int id;
 
     flash_select_chip(no, 1);
@@ -146,7 +146,7 @@ int flash_read_id(int no) {
     return id;
 }
 
-int flash_read_sector(int sector, unsigned char* buf,
+static int flash_read_sector(int sector, unsigned char* buf,
                       unsigned char* oob)
 {
     unsigned long *bufl = (unsigned long *)buf;
@@ -204,7 +204,7 @@ int flash_read_sector(int sector, unsigned char* buf,
     return 0;
 }
 
-int flash_read_sector_oob(int sector, unsigned char* oob)
+static int flash_read_sector_oob(int sector, unsigned char* oob)
 {
     int chip, chip_sector;
     int i;
@@ -294,7 +294,7 @@ static int flash_get_logical_block_no(unsigned char* oob)
     return -1;
 }
 
-int flash_disk_scan(void)
+static int flash_disk_scan(void)
 {
     int n_segments, n_phblocks;
     unsigned char oob[16];
@@ -327,7 +327,7 @@ int flash_disk_scan(void)
     return 0;
 }
 
-int flash_disk_find_block(int block)
+static int flash_disk_find_block(int block)
 {
     int seg, bmod, phb;
     unsigned char oob[16];
@@ -356,7 +356,7 @@ int flash_disk_find_block(int block)
     return flash_disk.cur_phblock_start;
 }
 
-int flash_disk_read_sectors(unsigned long start,
+static int flash_disk_read_sectors(unsigned long start,
                             int count,
                             void* buf)
 {
diff --git a/firmware/events.c b/firmware/events.c
index 3386c02465..8015442cc2 100644
--- a/firmware/events.c
+++ b/firmware/events.c
@@ -81,7 +81,7 @@ bool add_event_ex(unsigned short id, bool oneshot, void (*handler)(unsigned shor
     return do_add_event(id, oneshot, true, handler, user_data);
 }
 
-void do_remove_event(unsigned short id, bool user_data_valid,
+static void do_remove_event(unsigned short id, bool user_data_valid,
                   void *handler, void *user_data)
 {
     int i;
diff --git a/firmware/ifp_usb_serial.c b/firmware/ifp_usb_serial.c
index 5392de0d52..f7e3a51858 100644
--- a/firmware/ifp_usb_serial.c
+++ b/firmware/ifp_usb_serial.c
@@ -250,7 +250,7 @@ static inline void usb_select_setup_endpoint(void)
     ISP1582_EPINDEX = 0x20;
 }
 
-void usb_setup_endpoint(int idx, int max_pkt_size, int type)
+static void usb_setup_endpoint(int idx, int max_pkt_size, int type)
 {
     struct usb_endpoint *ep;
 
@@ -271,7 +271,7 @@ void usb_setup_endpoint(int idx, int max_pkt_size, int type)
     ep->max_pkt_size[epidx_dir(idx)] = max_pkt_size;
 }
 
-void usb_disable_endpoint(int idx)
+static void usb_disable_endpoint(int idx)
 {
     usb_select_endpoint(idx);
     ISP1582_EPTYPE &= 8;
@@ -288,12 +288,12 @@ void usb_reconnect(void)
     ISP1582_MODE |= 1; /* SOFTCT on */
 }
 
-void usb_cleanup(void)
+static void usb_cleanup(void)
 {
     ISP1582_MODE &= ~1; /* SOFTCT off */
 }
 
-void usb_setup(int reset)
+static void usb_setup(int reset)
 {
     int i;
 
@@ -840,7 +840,7 @@ static void usb_handle_int(int i)
         
 }
 
-void usb_handle_interrupts(void)
+static void usb_handle_interrupts(void)
 {
 #ifdef LCD_DEBUG
     char s[20];
@@ -1002,7 +1002,7 @@ static void serial_free_out_fifo(int ep, unsigned char *buf, int len)
     serial_restart_output(ep);
 }
 
-void usb_serial_handle(void)
+static void usb_serial_handle(void)
 {
 #ifdef BUTTONS
     static int t = 0;