sh: Kill off the rest of the legacy rtc mess.

With the new RTC class driver, we can get rid of most of the
old left over cruft.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

3 files changed, 1 insertions, 130 deletions

diff --git a/arch/sh/kernel/cpu/Makefile b/arch/sh/kernel/cpu/Makefile
index 59d5b748752f..fb5dac069382 100644
--- a/arch/sh/kernel/cpu/Makefile
+++ b/arch/sh/kernel/cpu/Makefile
@@ -8,6 +8,5 @@ obj-$(CONFIG_CPU_SH2)		+= sh2/
 obj-$(CONFIG_CPU_SH3)           += sh3/
 obj-$(CONFIG_CPU_SH4)           += sh4/
 
-obj-$(CONFIG_SH_RTC)            += rtc.o
 obj-$(CONFIG_UBC_WAKEUP)        += ubc.o
 obj-$(CONFIG_SH_ADC)            += adc.o
diff --git a/arch/sh/kernel/cpu/irq/ipr.c b/arch/sh/kernel/cpu/irq/ipr.c
index d2b715a04c7e..00edee971bcb 100644
--- a/arch/sh/kernel/cpu/irq/ipr.c
+++ b/arch/sh/kernel/cpu/irq/ipr.c
@@ -124,7 +124,7 @@ void __init init_IRQ(void)
 #ifndef CONFIG_CPU_SUBTYPE_SH7780
         make_ipr_irq(TIMER_IRQ, TIMER_IPR_ADDR, TIMER_IPR_POS, TIMER_PRIORITY);
         make_ipr_irq(TIMER1_IRQ, TIMER1_IPR_ADDR, TIMER1_IPR_POS, TIMER1_PRIORITY);
-#if defined(CONFIG_SH_RTC)
+#ifdef RTC_IRQ
         make_ipr_irq(RTC_IRQ, RTC_IPR_ADDR, RTC_IPR_POS, RTC_PRIORITY);
 #endif
 
diff --git a/arch/sh/kernel/cpu/rtc.c b/arch/sh/kernel/cpu/rtc.c
deleted file mode 100644
index 4304cf75cfa2..000000000000
--- a/arch/sh/kernel/cpu/rtc.c
+++ /dev/null
@@ -1,128 +0,0 @@
-/*
- * linux/arch/sh/kernel/rtc.c -- SH3 / SH4 on-chip RTC support
- *
- *  Copyright (C) 2000  Philipp Rumpf <prumpf@tux.org>
- *  Copyright (C) 1999  Tetsuya Okada & Niibe Yutaka
- */
-
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/time.h>
-#include <linux/bcd.h>
-#include <asm/io.h>
-#include <asm/rtc.h>
-
-void sh_rtc_gettimeofday(struct timespec *ts)
-{
-        unsigned int sec128, sec, sec2, min, hr, wk, day, mon, yr, yr100, cf_bit;
-        unsigned long flags;
-
- again:
-        do {
-                local_irq_save(flags);
-                ctrl_outb(0, RCR1);  /* Clear CF-bit */
-                sec128 = ctrl_inb(R64CNT);
-                sec = ctrl_inb(RSECCNT);
-                min = ctrl_inb(RMINCNT);
-                hr  = ctrl_inb(RHRCNT);
-                wk  = ctrl_inb(RWKCNT);
-                day = ctrl_inb(RDAYCNT);
-                mon = ctrl_inb(RMONCNT);
-#if defined(CONFIG_CPU_SH4)
-                yr  = ctrl_inw(RYRCNT);
-                yr100 = (yr >> 8);
-                yr &= 0xff;
-#else
-                yr  = ctrl_inb(RYRCNT);
-                yr100 = (yr == 0x99) ? 0x19 : 0x20;
-#endif
-                sec2 = ctrl_inb(R64CNT);
-                cf_bit = ctrl_inb(RCR1) & RCR1_CF;
-                local_irq_restore(flags);
-        } while (cf_bit != 0 || ((sec128 ^ sec2) & RTC_BIT_INVERTED) != 0);
-
-        BCD_TO_BIN(yr100);
-        BCD_TO_BIN(yr);
-        BCD_TO_BIN(mon);
-        BCD_TO_BIN(day);
-        BCD_TO_BIN(hr);
-        BCD_TO_BIN(min);
-        BCD_TO_BIN(sec);
-
-        if (yr > 99 || mon < 1 || mon > 12 || day > 31 || day < 1 ||
-            hr > 23 || min > 59 || sec > 59) {
-                printk(KERN_ERR
-                       "SH RTC: invalid value, resetting to 1 Jan 2000\n");
-                local_irq_save(flags);
-                ctrl_outb(RCR2_RESET, RCR2);  /* Reset & Stop */
-                ctrl_outb(0, RSECCNT);
-                ctrl_outb(0, RMINCNT);
-                ctrl_outb(0, RHRCNT);
-                ctrl_outb(6, RWKCNT);
-                ctrl_outb(1, RDAYCNT);
-                ctrl_outb(1, RMONCNT);
-#if defined(CONFIG_CPU_SH4)
-                ctrl_outw(0x2000, RYRCNT);
-#else
-                ctrl_outb(0, RYRCNT);
-#endif
-                ctrl_outb(RCR2_RTCEN|RCR2_START, RCR2);  /* Start */
-                goto again;
-        }
-
-#if RTC_BIT_INVERTED != 0
-        if ((sec128 & RTC_BIT_INVERTED))
-                sec--;
-#endif
-
-        ts->tv_sec = mktime(yr100 * 100 + yr, mon, day, hr, min, sec);
-        ts->tv_nsec = ((sec128 * 1000000) / 128) * 1000;
-}
-
-/*
- * Changed to only care about tv_sec, and not the full timespec struct
- * (i.e. tv_nsec).  It can easily be switched to timespec for future cpus
- * that support setting usec or nsec RTC values.
- */
-int sh_rtc_settimeofday(const time_t secs)
-{
-        int retval = 0;
-        int real_seconds, real_minutes, cmos_minutes;
-        unsigned long flags;
-
-        local_irq_save(flags);
-        ctrl_outb(RCR2_RESET, RCR2);  /* Reset pre-scaler & stop RTC */
-
-        cmos_minutes = ctrl_inb(RMINCNT);
-        BCD_TO_BIN(cmos_minutes);
-
-        /*
-         * since we're only adjusting minutes and seconds,
-         * don't interfere with hour overflow. This avoids
-         * messing with unknown time zones but requires your
-         * RTC not to be off by more than 15 minutes
-         */
-        real_seconds = secs % 60;
-        real_minutes = secs / 60;
-        if (((abs(real_minutes - cmos_minutes) + 15)/30) & 1)
-                real_minutes += 30;     /* correct for half hour time zone */
-        real_minutes %= 60;
-
-        if (abs(real_minutes - cmos_minutes) < 30) {
-                BIN_TO_BCD(real_seconds);
-                BIN_TO_BCD(real_minutes);
-                ctrl_outb(real_seconds, RSECCNT);
-                ctrl_outb(real_minutes, RMINCNT);
-        } else {
-                printk(KERN_WARNING
-                       "set_rtc_time: can't update from %d to %d\n",
-                       cmos_minutes, real_minutes);
-                retval = -1;
-        }
-
-        ctrl_outb(RCR2_RTCEN|RCR2_START, RCR2);  /* Start RTC */
-        local_irq_restore(flags);
-
-        return retval;
-}