sh: Kill off the remnants of the old timer code.
authorPaul Mundt <lethal@linux-sh.org>
Tue, 12 May 2009 10:53:55 +0000 (19:53 +0900)
committerPaul Mundt <lethal@linux-sh.org>
Tue, 12 May 2009 10:53:55 +0000 (19:53 +0900)
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>
arch/sh/Kconfig
arch/sh/include/asm/timer.h [deleted file]
arch/sh/kernel/Makefile_32
arch/sh/kernel/Makefile_64
arch/sh/kernel/cpu/clock.c
arch/sh/kernel/time.c
arch/sh/kernel/timers/Makefile [deleted file]
arch/sh/kernel/timers/timer.c [deleted file]

index e7b6406..fb75c2d 100644 (file)
@@ -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 (file)
index f27a88b..0000000
+++ /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 */
index aee08af..9411e3e 100644 (file)
@@ -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
index c845a0d..67b9f6c 100644 (file)
@@ -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
index 133dbe4..f54769f 100644 (file)
@@ -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);
index a77838f..2edde32 100644 (file)
@@ -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 (file)
index fefd7ed..0000000
+++ /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 (file)
index f8812bd..0000000
+++ /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;
-}