From 8b6636f97423db97ba2b07bb5c43ed7da8f311de Mon Sep 17 00:00:00 2001
From: Joel Sherrill <joel.sherrill@oarcorp.com>
Date: Sun, 12 Oct 2014 15:35:52 -0500
Subject: mips/clock/ckinit.c: Clean up (may be unused)

---
 c/src/lib/libcpu/mips/clock/ckinit.c | 61 +++++++++---------------------------
 1 file changed, 15 insertions(+), 46 deletions(-)

diff --git a/c/src/lib/libcpu/mips/clock/ckinit.c b/c/src/lib/libcpu/mips/clock/ckinit.c
index 711b41cd09..315226362e 100644
--- a/c/src/lib/libcpu/mips/clock/ckinit.c
+++ b/c/src/lib/libcpu/mips/clock/ckinit.c
@@ -1,7 +1,8 @@
-/*  ckinit.c
- *
+/*
  *  This file contains the clock driver initialization for the IDT 4650.
- *
+ */
+
+/*
  *  Author:     Craig Lebakken <craigl@transition.com>
  *
  *  COPYRIGHT (c) 1996 by Transition Networks Inc.
@@ -30,15 +31,12 @@
 /*
  *  Rather than deleting this, it is commented out to (hopefully) help
  *  the submitter send updates.
- *
- *  static char _sccsid[] = "@(#)ckinit.c 08/20/96     1.3\n";
  */
 
-
 #include <stdlib.h>
 
 #include <rtems.h>
-#include <rtems/libio.h>
+#include <rtems/clockdrv.h>
 
 #define EXT_INT5    0x8000  /* external interrupt 5 */
 
@@ -49,15 +47,10 @@ extern uint32_t bsp_clicks_per_microsecond;
 /* to avoid including the bsp */
 mips_isr_entry set_vector( rtems_isr_entry, rtems_vector_number, int );
 
-void Clock_exit( void );
-rtems_isr Clock_isr( rtems_vector_number vector );
-
-
 /*
  *  The interrupt vector number associated with the clock tick device
  *  driver.
  */
-
 #define CLOCK_VECTOR_MASK    EXT_INT5
 #define CLOCK_VECTOR         0x7
 
@@ -65,7 +58,6 @@ rtems_isr Clock_isr( rtems_vector_number vector );
  *  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;
 
 /*
@@ -75,42 +67,30 @@ volatile uint32_t   Clock_driver_ticks;
  *  length of time between the user configured microseconds per tick
  *  has passed.
  */
-
 uint32_t   Clock_isrs;              /* ISRs until next tick */
 
-/*
- * 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;
 
-void Clock_exit( void );
-
 static uint32_t   mips_timer_rate = 0;
 
 /*
  *  Isr Handler
  */
-
-rtems_isr Clock_isr(
+static rtems_isr Clock_isr(
   rtems_vector_number vector
 )
 {
 /*
- * bump the number of clock driver ticks since initialization
- *
- * determine if it is time to announce the passing of tick as configured
- * to RTEMS through the rtems_clock_tick directive
- *
- * perform any timer dependent tasks
- */
+   * bump the number of clock driver ticks since initialization
+   *
+   * determine if it is time to announce the passing of tick as configured
+   * to RTEMS through the rtems_clock_tick directive
+   *
+   * perform any timer dependent tasks
+   */
 
   /* refresh the internal CPU timer */
   mips_set_timer( mips_timer_rate );
@@ -140,8 +120,7 @@ rtems_isr User_Clock_isr(
  *  Install a clock tick handleR and reprograms the chip.  This
  *  is used to initially establish the clock tick.
  */
-
-void Install_clock(
+static void Install_clock(
   rtems_isr_entry clock_isr
 )
 {
@@ -153,10 +132,10 @@ void Install_clock(
   Clock_isrs = rtems_configuration_get_milliseconds_per_tick();
 
   Old_ticker = (rtems_isr_entry) set_vector( clock_isr, CLOCK_VECTOR, 1 );
+
   /*
    *  Hardware specific initialize goes here
    */
-
   mips_timer_rate = rtems_configuration_get_microseconds_per_tick() *
      bsp_clicks_per_microsecond;
   mips_set_timer( mips_timer_rate );
@@ -165,14 +144,12 @@ void Install_clock(
   /*
    *  Schedule the clock cleanup routine to execute if the application exits.
    */
-
   atexit( Clock_exit );
 }
 
 /*
  *  Clean up before the application exits
  */
-
 void Clock_exit( void )
 {
   /* mips: turn off the timer interrupts */
@@ -184,7 +161,6 @@ void Clock_exit( void )
  *
  *  Device driver entry point for clock tick driver initialization.
  */
-
 rtems_device_driver Clock_initialize(
   rtems_device_major_number major,
   rtems_device_minor_number minor,
@@ -193,12 +169,5 @@ rtems_device_driver Clock_initialize(
 {
   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;
 }
-- 
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