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linux/arch/m68k/sun3/intersil.c
Geert Uytterhoeven c50b1fc110 m68k: sun3/3x: Add and use "sun3.h"
When building with W=1:

    arch/m68k/sun3/idprom.c:86:6: warning: no previous prototype for ‘sun3_get_model’ [-Wmissing-prototypes]
       86 | void sun3_get_model(char *model)
	  |      ^~~~~~~~~~~~~~
    arch/m68k/sun3/config.c:53:24: warning: no previous prototype for ‘sun3_init’ [-Wmissing-prototypes]
       53 | asmlinkage void __init sun3_init(void)
	  |                        ^~~~~~~~~
    arch/m68k/sun3/mmu_emu.c:117:6: warning: no previous prototype for ‘print_pte_vaddr’ [-Wmissing-prototypes]
      117 | void print_pte_vaddr (unsigned long vaddr)
	  |      ^~~~~~~~~~~~~~~
    arch/m68k/sun3/mmu_emu.c:126:13: warning: no previous prototype for ‘mmu_emu_init’ [-Wmissing-prototypes]
      126 | void __init mmu_emu_init(unsigned long bootmem_end)
	  |             ^~~~~~~~~~~~
    arch/m68k/sun3/mmu_emu.c:353:5: warning: no previous prototype for ‘mmu_emu_handle_fault’ [-Wmissing-prototypes]
      353 | int mmu_emu_handle_fault (unsigned long vaddr, int read_flag, int kernel_fault)
	  |     ^~~~~~~~~~~~~~~~~~~~
    arch/m68k/sun3/leds.c:6:6: warning: no previous prototype for ‘sun3_leds’ [-Wmissing-prototypes]
	6 | void sun3_leds(unsigned char byte)
	  |      ^~~~~~~~~
    arch/m68k/sun3/intersil.c:27:5: warning: no previous prototype for ‘sun3_hwclk’ [-Wmissing-prototypes]
       27 | int sun3_hwclk(int set, struct rtc_time *t)
	  |     ^~~~~~~~~~
    arch/m68k/sun3x/config.c:30:6: warning: no previous prototype for ‘sun3_leds’ [-Wmissing-prototypes]
       30 | void sun3_leds(unsigned char byte)
	  |      ^~~~~~~~~

Fix this by introducing a new header file "sun3.h" for holding the
prototypes of functions implemented in arch/m68k/sun3/ and
arch/m68k/sun3x/.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/87856ef9ef8955f459fb691faca921c0a688bc80.1694613528.git.geert@linux-m68k.org
2023-10-06 10:03:04 +02:00

71 lines
1.7 KiB
C

/*
* arch/m68k/sun3/intersil.c
*
* basic routines for accessing the intersil clock within the sun3 machines
*
* started 11/12/1999 Sam Creasey
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file COPYING in the main directory of this archive
* for more details.
*/
#include <linux/kernel.h>
#include <linux/rtc.h>
#include <asm/errno.h>
#include <asm/intersil.h>
#include <asm/machdep.h>
#include "sun3.h"
/* bits to set for start/run of the intersil */
#define STOP_VAL (INTERSIL_STOP | INTERSIL_INT_ENABLE | INTERSIL_24H_MODE)
#define START_VAL (INTERSIL_RUN | INTERSIL_INT_ENABLE | INTERSIL_24H_MODE)
/* get/set hwclock */
int sun3_hwclk(int set, struct rtc_time *t)
{
volatile struct intersil_dt *todintersil;
unsigned long flags;
todintersil = (struct intersil_dt *) &intersil_clock->counter;
local_irq_save(flags);
intersil_clock->cmd_reg = STOP_VAL;
/* set or read the clock */
if(set) {
todintersil->csec = 0;
todintersil->hour = t->tm_hour;
todintersil->minute = t->tm_min;
todintersil->second = t->tm_sec;
todintersil->month = t->tm_mon + 1;
todintersil->day = t->tm_mday;
todintersil->year = (t->tm_year - 68) % 100;
todintersil->weekday = t->tm_wday;
} else {
/* read clock */
t->tm_sec = todintersil->csec;
t->tm_hour = todintersil->hour;
t->tm_min = todintersil->minute;
t->tm_sec = todintersil->second;
t->tm_mon = todintersil->month - 1;
t->tm_mday = todintersil->day;
t->tm_year = todintersil->year + 68;
t->tm_wday = todintersil->weekday;
if (t->tm_year < 70)
t->tm_year += 100;
}
intersil_clock->cmd_reg = START_VAL;
local_irq_restore(flags);
return 0;
}