sh: Kill off the remnants of the old timer code.

Now with all of the TMU users moved over to the new TMU driver, and the
old TMU driver killed off, the left-over infrastructure can go along
with it.

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

8 files changed, 4 insertions, 120 deletions

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index e7b6406c96b6..fb75c2d1928d 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -494,17 +494,6 @@ config SH_TIMER_MTU2
         help
           This enables build of the MTU2 timer driver.
 
-config SH_TIMER_IRQ
-        int
-        default "28" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785 || \
-                        CPU_SUBTYPE_SH7763
-        default "86" if CPU_SUBTYPE_SH7619
-        default "140" if CPU_SUBTYPE_SH7206
-        default "142" if CPU_SUBTYPE_SH7203 && SH_CMT
-        default "153" if CPU_SUBTYPE_SH7203 && SH_MTU2
-        default "238" if CPU_SUBTYPE_MXG
-        default "16"
-
 config SH_PCLK_FREQ
         int "Peripheral clock frequency (in Hz)"
         default "27000000" if CPU_SUBTYPE_SH7343
diff --git a/arch/sh/include/asm/timer.h b/arch/sh/include/asm/timer.h
deleted file mode 100644
index f27a88bfdcc7..000000000000
--- a/arch/sh/include/asm/timer.h
+++ /dev/null
@@ -1,28 +0,0 @@
-#ifndef __ASM_SH_TIMER_H
-#define __ASM_SH_TIMER_H
-
-#include <linux/sysdev.h>
-#include <linux/clocksource.h>
-#include <cpu/timer.h>
-
-struct sys_timer_ops {
-        int (*init)(void);
-        int (*start)(void);
-        int (*stop)(void);
-};
-
-struct sys_timer {
-        const char              *name;
-
-        struct sys_device       dev;
-        struct sys_timer_ops    *ops;
-};
-
-extern struct sys_timer *sys_timer;
-
-/* arch/sh/kernel/timers/timer.c */
-struct sys_timer *get_sys_timer(void);
-
-extern struct clocksource clocksource_sh;
-
-#endif /* __ASM_SH_TIMER_H */
diff --git a/arch/sh/kernel/Makefile_32 b/arch/sh/kernel/Makefile_32
index aee08afe5ff7..9411e3e31e68 100644
--- a/arch/sh/kernel/Makefile_32
+++ b/arch/sh/kernel/Makefile_32
@@ -14,7 +14,7 @@ obj-y	:= debugtraps.o idle.o io.o io_generic.o irq.o			\
            sys_sh.o sys_sh32.o syscalls_32.o time.o topology.o  \
            traps.o traps_32.o
 
-obj-y                           += cpu/ timers/
+obj-y                           += cpu/
 obj-$(CONFIG_VSYSCALL)          += vsyscall/
 obj-$(CONFIG_SMP)               += smp.o
 obj-$(CONFIG_SH_STANDARD_BIOS)  += sh_bios.o
diff --git a/arch/sh/kernel/Makefile_64 b/arch/sh/kernel/Makefile_64
index c845a0d61979..67b9f6c6326b 100644
--- a/arch/sh/kernel/Makefile_64
+++ b/arch/sh/kernel/Makefile_64
@@ -4,7 +4,7 @@ obj-y	:= debugtraps.o idle.o io.o io_generic.o irq.o machvec.o process_64.o \
            ptrace_64.o setup.o signal_64.o sys_sh.o sys_sh64.o \
            syscalls_64.o time.o topology.o traps.o traps_64.o
 
-obj-y                           += cpu/ timers/
+obj-y                           += cpu/
 obj-$(CONFIG_SMP)               += smp.o
 obj-$(CONFIG_SH_CPU_FREQ)       += cpufreq.o
 obj-$(CONFIG_MODULES)           += sh_ksyms_64.o module.o
diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c
index 133dbe403341..f54769f455b1 100644
--- a/arch/sh/kernel/cpu/clock.c
+++ b/arch/sh/kernel/cpu/clock.c
@@ -26,7 +26,6 @@
 #include <linux/platform_device.h>
 #include <linux/proc_fs.h>
 #include <asm/clock.h>
-#include <asm/timer.h>
 
 static LIST_HEAD(clock_list);
 static DEFINE_SPINLOCK(clock_lock);
diff --git a/arch/sh/kernel/time.c b/arch/sh/kernel/time.c
index a77838f539f8..2edde32c764b 100644
--- a/arch/sh/kernel/time.c
+++ b/arch/sh/kernel/time.c
@@ -22,9 +22,6 @@
 #include <linux/rtc.h>
 #include <asm/clock.h>
 #include <asm/rtc.h>
-#include <asm/timer.h>
-
-struct sys_timer *sys_timer;
 
 /* Dummy RTC ops */
 static void null_rtc_get_time(struct timespec *tv)
@@ -94,20 +91,9 @@ module_init(rtc_generic_init);
 
 void (*board_time_init)(void);
 
-struct clocksource clocksource_sh = {
-        .name           = "SuperH",
-};
-
 unsigned long long sched_clock(void)
 {
-        unsigned long long cycles;
-
-        /* jiffies based sched_clock if no clocksource is installed */
-        if (!clocksource_sh.rating)
-                return (jiffies_64 - INITIAL_JIFFIES) * (NSEC_PER_SEC / HZ);
-
-        cycles = clocksource_sh.read(&clocksource_sh);
-        return cyc2ns(&clocksource_sh, cycles);
+        return (jiffies_64 - INITIAL_JIFFIES) * (NSEC_PER_SEC / HZ);
 }
 
 static void __init sh_late_time_init(void)
@@ -117,18 +103,7 @@ static void __init sh_late_time_init(void)
          * Run probe() for one "earlytimer" device.
          */
         early_platform_driver_register_all("earlytimer");
-        if (early_platform_driver_probe("earlytimer", 1, 0))
-                return;
-
-        /*
-         * Find the timer to use as the system timer, it will be
-         * initialized for us.
-         */
-        sys_timer = get_sys_timer();
-        if (unlikely(!sys_timer))
-                panic("System timer missing.\n");
-
-        printk(KERN_INFO "Using %s for system timer\n", sys_timer->name);
+        early_platform_driver_probe("earlytimer", 1, 0);
 }
 
 void __init time_init(void)
diff --git a/arch/sh/kernel/timers/Makefile b/arch/sh/kernel/timers/Makefile
deleted file mode 100644
index fefd7edd413d..000000000000
--- a/arch/sh/kernel/timers/Makefile
+++ /dev/null
@@ -1,5 +0,0 @@
-#
-# Makefile for the various Linux/SuperH timers
-#
-
-obj-y   := timer.o
diff --git a/arch/sh/kernel/timers/timer.c b/arch/sh/kernel/timers/timer.c
deleted file mode 100644
index f8812bd3b797..000000000000
--- a/arch/sh/kernel/timers/timer.c
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * arch/sh/kernel/timers/timer.c - Common timer code
- *
- *  Copyright (C) 2005  Paul Mundt
- *
- * 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/init.h>
-#include <linux/timer.h>
-#include <linux/string.h>
-#include <asm/timer.h>
-
-static struct sys_timer *sys_timers[] = {
-        NULL,
-};
-
-static char timer_override[10];
-static int __init timer_setup(char *str)
-{
-        if (str)
-                strlcpy(timer_override, str, sizeof(timer_override));
-        return 1;
-}
-__setup("timer=", timer_setup);
-
-struct sys_timer *get_sys_timer(void)
-{
-        int i;
-
-        for (i = 0; i < ARRAY_SIZE(sys_timers); i++) {
-                struct sys_timer *t = sys_timers[i];
-
-                if (unlikely(!t))
-                        break;
-                if (unlikely(timer_override[0]))
-                        if ((strcmp(timer_override, t->name) != 0))
-                                continue;
-                if (likely(t->ops->init() == 0))
-                        return t;
-        }
-
-        return NULL;
-}