libcpu/m68k/mcf5272/clock/ckinit.c: Fix warnings

c/src/lib/libcpu/m68k/mcf5272/clock/ckinit.c

@@ -3,7 +3,9 @@
  *
  *  This driver initailizes timer1 on the MCF5272 as the
  *  main system clock
- *
+ */
+
+/*
  *  Copyright 2004 Cogent Computer Systems
  *  Author: Jay Monkman <jtm@lopingdog.com>
  *
@@ -33,27 +35,9 @@
  */
 volatile uint32_t Clock_driver_ticks;
 
-
-/*
- * These are set by clock driver during its init
- */
-
-rtems_device_major_number rtems_clock_major = ~0;
-rtems_device_minor_number rtems_clock_minor;
-
 rtems_isr (*rtems_clock_hook)(rtems_vector_number) = NULL;
 
-/* Clock_isr --
- *     This handles the timer interrupt by clearing the timer's interrupt
- *     flag and announcing the clock tick to the system.
- *
- * PARAMETERS:
- *     vector - timer interrupt vector number
-
- * RETURNS:
- *     none
- */
-rtems_isr
+static rtems_isr
 Clock_isr (rtems_vector_number vector)
 {
   /* Clear pending interrupt... */
@@ -67,22 +51,11 @@ Clock_isr (rtems_vector_number vector)
   }
 }
 
-
-/* Clock_exit --
- *     This shuts down the timer if it was enabled and removes it
- *     from the MCF5206E interrupt mask.
- *
- * PARAMETERS:
- *     none
- *
- * RETURNS:
- *     none
- */
 void
 Clock_exit(void)
 {
-    if (rtems_configuration_get_ticks_per_timeslice()) {
   uint32_t icr;
+
   /* disable all timer1 interrupts */
   icr = g_intctrl_regs->icr1;
   icr = icr & ~(MCF5272_ICR1_TMR1_MASK | MCF5272_ICR1_TMR1_PI);
@@ -94,26 +67,14 @@ Clock_exit(void)
 
   /* clear pending */
   g_timer_regs->ter1 = MCF5272_TER_REF | MCF5272_TER_CAP;
-    }
 }
 
-
-/* Install_clock --
- *     This initialises timer1 with the BSP timeslice config value
- *     as a reference and sets up the interrupt handler for clock ticks.
- *
- * PARAMETERS:
- *     clock_isr - clock interrupt handler routine
- *
- * RETURNS:
- *     none.
- */
 static void
 Install_clock(rtems_isr_entry clock_isr)
 {
   uint32_t icr;
+
   Clock_driver_ticks = 0;
-  if (rtems_configuration_get_ticks_per_timeslice()) {
 
   /* Register the interrupt handler */
   set_vector(clock_isr, BSP_INTVEC_TMR1, 1);
@@ -148,33 +109,16 @@ Install_clock(rtems_isr_entry clock_isr)
 
   /* Register the driver exit procedure so we can shutdown */
   atexit(Clock_exit);
-  }
 }
 
-
-/* Clock_initialize --
- *     This is called to setup the clock driver. It calls the hardware
- *     setup function and make the driver major/minor values available
- *     for other.
- *
- * PARAMETERS:
- *     major - clock device major number
- *     minor - clock device minor number
- *     pargp - device driver initialization argument (not used)
- *
- * RETURNS:
- *     RTEMS status code
- */
 rtems_device_driver
-Clock_initialize(rtems_device_major_number major,
+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;
 }