Andrew, All,
To hopefully improve the review-ability of my changes, I've split up my
arch-i386 patch into four chunks. This patch is just a simple cleanup
for the i386 arch in preparation of moving the the new timeofday
infrastructure. It simply moves some code from timer_pit.c to i8259.c.
It applies on top of my timeofday-core_B3 patch. This patch is part the
timeofday-arch-i386 patchset, so without the following parts it is not
expected to compile (although just this one should).
Andrew, please consider for inclusion for testing into your tree.
thanks
-john
Signed-off-by: John Stultz <[email protected]>
linux-2.6.12-rc6-mm1_timeofday-arch-i386-part1_B3.patch
=======================================================
diff -ruN linux-2.6.12-rc6-mm1/arch/i386/kernel/i8259.c linux-2.6.12-rc6-mm1-tod/arch/i386/kernel/i8259.c
--- linux-2.6.12-rc6-mm1/arch/i386/kernel/i8259.c 2005-06-17 15:56:27.000000000 -0700
+++ linux-2.6.12-rc6-mm1-tod/arch/i386/kernel/i8259.c 2005-06-17 18:28:05.576479704 -0700
@@ -400,6 +400,46 @@
}
}
+void setup_pit_timer(void)
+{
+ extern spinlock_t i8253_lock;
+ unsigned long flags;
+
+ spin_lock_irqsave(&i8253_lock, flags);
+ outb_p(0x34,PIT_MODE); /* binary, mode 2, LSB/MSB, ch 0 */
+ udelay(10);
+ outb_p(LATCH & 0xff , PIT_CH0); /* LSB */
+ udelay(10);
+ outb(LATCH >> 8 , PIT_CH0); /* MSB */
+ spin_unlock_irqrestore(&i8253_lock, flags);
+}
+
+static int timer_resume(struct sys_device *dev)
+{
+ setup_pit_timer();
+ return 0;
+}
+
+static struct sysdev_class timer_sysclass = {
+ set_kset_name("timer_pit"),
+ .resume = timer_resume,
+};
+
+static struct sys_device device_timer = {
+ .id = 0,
+ .cls = &timer_sysclass,
+};
+
+static int __init init_timer_sysfs(void)
+{
+ int error = sysdev_class_register(&timer_sysclass);
+ if (!error)
+ error = sysdev_register(&device_timer);
+ return error;
+}
+
+device_initcall(init_timer_sysfs);
+
void __init init_IRQ(void)
{
int i;
diff -ruN linux-2.6.12-rc6-mm1/arch/i386/kernel/timers/timer_pit.c linux-2.6.12-rc6-mm1-tod/arch/i386/kernel/timers/timer_pit.c
--- linux-2.6.12-rc6-mm1/arch/i386/kernel/timers/timer_pit.c 2005-06-17 15:56:27.000000000 -0700
+++ linux-2.6.12-rc6-mm1-tod/arch/i386/kernel/timers/timer_pit.c 2005-06-17 18:28:05.586478462 -0700
@@ -163,44 +163,3 @@
.init = init_pit,
.opts = &timer_pit,
};
-
-void setup_pit_timer(void)
-{
- extern spinlock_t i8253_lock;
- unsigned long flags;
-
- spin_lock_irqsave(&i8253_lock, flags);
- outb_p(0x34,PIT_MODE); /* binary, mode 2, LSB/MSB, ch 0 */
- udelay(10);
- outb_p(LATCH & 0xff , PIT_CH0); /* LSB */
- udelay(10);
- outb(LATCH >> 8 , PIT_CH0); /* MSB */
- spin_unlock_irqrestore(&i8253_lock, flags);
-}
-
-static int timer_resume(struct sys_device *dev)
-{
- setup_pit_timer();
- return 0;
-}
-
-static struct sysdev_class timer_sysclass = {
- set_kset_name("timer_pit"),
- .resume = timer_resume,
-};
-
-static struct sys_device device_timer = {
- .id = 0,
- .cls = &timer_sysclass,
-};
-
-static int __init init_timer_sysfs(void)
-{
- int error = sysdev_class_register(&timer_sysclass);
- if (!error)
- error = sysdev_register(&device_timer);
- return error;
-}
-
-device_initcall(init_timer_sysfs);
-
-
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