libcpu/sh/sh7750/clock/ckinit.c: Fix warnings

c/src/lib/libcpu/sh/sh7750/clock/ckinit.c

@@ -1,6 +1,8 @@
 /*
  * This file contains the generic RTEMS clock driver the Hitachi SH 7750
- *
+ */
+
+/*
  * Copyright (C) 2001 OKTET Ltd., St.-Petersburg, Russia
  * Author: Victor V. Vengerov <vvv@oktet.ru>
  *
@@ -16,7 +18,7 @@
 
 #include <stdlib.h>
 
-#include <rtems/libio.h>
+#include <rtems/clockdrv.h>
 #include <rtems/score/sh_io.h>
 #include <rtems/score/sh.h>
 #include <rtems/score/ispsh7750.h>
@@ -36,46 +38,31 @@ extern uint32_t bsp_clicks_per_second;
  *  The interrupt vector number associated with the clock tick device
  *  driver.
  */
-
 #define CLOCK_VECTOR SH7750_EVT_TO_NUM(SH7750_EVT_TUNI0)
 
 /*
  *  Clock_driver_ticks is a monotonically increasing counter of the
  *  number of clock ticks since the driver was initialized.
  */
-
 volatile uint32_t   Clock_driver_ticks;
 
-static void Clock_exit( void );
 static rtems_isr Clock_isr( rtems_vector_number vector );
 
-/*
- * These are set by clock driver during its init
- */
-rtems_device_major_number rtems_clock_major = ~0;
-rtems_device_minor_number rtems_clock_minor;
-
 /*
  *  The previous ISR on this clock tick interrupt vector.
  */
-
 rtems_isr_entry  Old_ticker;
 
 /*
  *  Isr Handler
  */
 
-/* Clock_isr --
+/*
+ * Clock_isr
+ *
  * Clock interrupt handling routine.
- *
- * PARAMETERS:
- *     vector - interrupt vector number
- *
- * RETURNS:
- *     none
  */
-rtems_isr
-Clock_isr(rtems_vector_number vector)
+static rtems_isr Clock_isr(rtems_vector_number vector)
 {
   uint16_t   tcr;
 
@@ -90,21 +77,16 @@ Clock_isr(rtems_vector_number vector)
     rtems_clock_tick();
 }
 
-/* Install_clock --
+/*
+ * Install_clock
+ *
  * Install a clock tick handler and reprograms the chip.  This
  * is used to initially establish the clock tick.
  *
- * PARAMETERS:
- *     clock_isr - Clock interrupt stay routine
- *
- * RETURNS:
- *     none
- *
  * SIDE EFFECTS:
  *     Establish clock interrupt handler, configure Timer 0 hardware
  */
-void
-Install_clock(rtems_isr_entry clock_isr)
+static void Install_clock(rtems_isr_entry clock_isr)
 {
   int cpudiv = 1; /* CPU frequency divider */
   int tidiv = 1;  /* Timer input frequency divider */
@@ -119,8 +101,7 @@ Install_clock(rtems_isr_entry clock_isr)
   Clock_driver_ticks = 0;
 
   /* Get CPU frequency divider from clock unit */
-    switch (read16(SH7750_FRQCR) & SH7750_FRQCR_IFC)
-    {
+  switch (read16(SH7750_FRQCR) & SH7750_FRQCR_IFC) {
     case SH7750_FRQCR_IFCDIV1:
       cpudiv = 1;
       break;
@@ -150,8 +131,7 @@ Install_clock(rtems_isr_entry clock_isr)
   }
 
   /* Get peripheral module frequency divider from clock unit */
-    switch (read16(SH7750_FRQCR) & SH7750_FRQCR_PFC)
-    {
+  switch (read16(SH7750_FRQCR) & SH7750_FRQCR_PFC) {
     case SH7750_FRQCR_PFCDIV2:
       tidiv = 2 * CLOCK_PRESCALER;
       break;
@@ -216,19 +196,14 @@ Install_clock(rtems_isr_entry clock_isr)
   /*
    *  Schedule the clock cleanup routine to execute if the application exits.
    */
-
   atexit( Clock_exit );
 }
 
-/* Clock_exit --
+/*
+ * Clock_exit
+ *
  * Clean up before the application exits
  *
- * PARAMETERS:
- *     none
- *
- * RETURNS:
- *     none
- *
  * SIDE EFFECTS:
  *     Stop Timer 0 counting, set timer 0 interrupt priority level to 0.
  */
@@ -252,29 +227,18 @@ Clock_exit(void)
   /* old vector shall not be installed */
 }
 
-/* Clock_initialize --
+/*
+ * Clock_initialize
+ *
  * Device driver entry point for clock tick driver initialization.
- *
- * PARAMETERS:
- *     major - clock major device number
- *     minor - clock minor device number
- *     pargp - driver initialize primitive argument, not used
- *
- * RETURNS:
- *     RTEMS_SUCCESSFUL
  */
-rtems_device_driver
-Clock_initialize(rtems_device_major_number major,
+rtems_device_driver Clock_initialize(
+  rtems_device_major_number major,
   rtems_device_minor_number minor,
-                 void *pargp)
+  void *pargp
+)
 {
     Install_clock( Clock_isr );
 
-    /*
-     * make major/minor avail to others such as shared memory driver
-     */
-    rtems_clock_major = major;
-    rtems_clock_minor = minor;
-
     return RTEMS_SUCCESSFUL;
 }