The patch titled
i386: prepare sharing the PIT code
has been removed from the -mm tree. Its filename was
i386-prepare-sharing-pit-code.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: i386: prepare sharing the PIT code
From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
PIT clock events work already and the PIT handling is the same for i386 and
x86_64. x86_64 does not support PIT as a clock source, so disable the PIT
clocksource for x86_64.
Prepare i8253.h to be shared with x8664
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Chris Wright <chrisw@xxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
Cc: Andi Kleen <ak@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/i386/kernel/i8253.c | 4 +++-
include/asm-i386/i8253.h | 6 ++++--
2 files changed, 7 insertions(+), 3 deletions(-)
diff -puN arch/i386/kernel/i8253.c~i386-prepare-sharing-pit-code arch/i386/kernel/i8253.c
--- a/arch/x86/kernel/i8253_32.c~i386-prepare-sharing-pit-code
+++ a/arch/x86/kernel/i8253_32.c
@@ -13,7 +13,6 @@
#include <asm/delay.h>
#include <asm/i8253.h>
#include <asm/io.h>
-#include <asm/timer.h>
DEFINE_SPINLOCK(i8253_lock);
EXPORT_SYMBOL(i8253_lock);
@@ -120,6 +119,7 @@ void __init setup_pit_timer(void)
global_clock_event = &pit_clockevent;
}
+#ifndef CONFIG_X86_64
/*
* Since the PIT overflows every tick, its not very useful
* to just read by itself. So use jiffies to emulate a free
@@ -204,3 +204,5 @@ static int __init init_pit_clocksource(v
return clocksource_register(&clocksource_pit);
}
arch_initcall(init_pit_clocksource);
+
+#endif
diff -puN include/asm-i386/i8253.h~i386-prepare-sharing-pit-code include/asm-i386/i8253.h
--- a/include/asm-x86/i8253_32.h~i386-prepare-sharing-pit-code
+++ a/include/asm-x86/i8253_32.h
@@ -1,8 +1,6 @@
#ifndef __ASM_I8253_H__
#define __ASM_I8253_H__
-#include <linux/clockchips.h>
-
/* i8253A PIT registers */
#define PIT_MODE 0x43
#define PIT_CH0 0x40
@@ -10,8 +8,12 @@
extern spinlock_t i8253_lock;
+#ifdef CONFIG_GENERIC_CLOCKEVENTS
+
extern struct clock_event_device *global_clock_event;
extern void setup_pit_timer(void);
+#endif
+
#endif /* __ASM_I8253_H__ */
_
Patches currently in -mm which might be from tglx@xxxxxxxxxxxxx are
origin.patch
git-acpi.patch
git-arm.patch
git-mips.patch
provide-stubs-for-enable_irq_wake-and-disable_irq_wake.patch
git-sched.patch
i386-cleanup-struct-irqaction-initializers.patch
x86_64-cleanup-struct-irqaction-initializers.patch
hpet-force-enable-on-vt8235-37-chipsets.patch
frv-cleanup-struct-irqaction-initializers.patch
m32r-cleanup-struct-irqaction-initializers.patch
cris-cleanup-struct-irqaction-initializers.patch
uml-eliminate-hz.patch
uml-fix-timer-switching.patch
uml-simplify-interval-setting.patch
uml-separate-timer-initialization.patch
uml-generic_time-support.patch
uml-generic_clockevents-support.patch
uml-clocksource-support.patch
uml-clocksource-support-fix.patch
uml-tickless-support.patch
uml-tickless-support-fix.patch
uml-eliminate-interrupts-in-the-idle-loop.patch
uml-eliminate-sigalrm.patch
uml-use-sec_per_sec-constants.patch
v850-cleanup-struct-irqaction-initializers.patch
time-simplify-smp_call_function_single-call-sequence.patch
kernel-rtmutex-debugc-cleanups.patch
kernel-time-timekeepingc-cleanups.patch
use-num_possible_cpus-instead-of-nr_cpus-for-timer.patch
fix-discrepancy-between-vdso-based-gettimeofday-and-sys_gettimeofday.patch
compile-handle_percpu_irq-even-for-uniprocessor-kernels.patch
spin_lock_unlocked-cleanups.patch
kernel-time-clocksourcec-use-list_for_each_entry-instead-of-list_for_each.patch
whitespace-fixes-time-syscalls.patch
whitespace-fixes-interval-timers.patch
whitespace-fixes-system-timers.patch
-
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