[PATCH] hpet related

[Robert Picco]

Hi Andrew:

Some hpet clean up and a fix to the RTC request_irq issue.

thanks,

Bob

Signed-off-by: Bob Picco at Robert.Picco@xxxxxx

diff -ruN -X /home/picco/losl/dontdiff linux-2.6.7-mm2-orig/arch/i386/kernel/time_hpet.c linux-2.6.7-mm2-hpet/arch/i386/kernel/time_hpet.c
--- linux-2.6.7-mm2-orig/arch/i386/kernel/time_hpet.c	2004-06-28 13:19:27.000000000 -0400
+++ linux-2.6.7-mm2-hpet/arch/i386/kernel/time_hpet.c	2004-06-24 07:49:24.000000000 -0400
@@ -155,9 +155,9 @@
		hd.hd_address = hpet_virt_address;
		hd.hd_nirqs = ntimer;
		hd.hd_flags = HPET_DATA_PLATFORM;
-		HD_STATE(&hd, 0);
+		hpet_timer_reserved(&hd, 0);
#ifdef	CONFIG_HPET_EMULATE_RTC
-		HD_STATE(&hd, 1);
+		hpet_timer_reserved(&hd, 1);
#endif
		hd.hd_irq[0] = HPET_LEGACY_8254;
		hd.hd_irq[1] = HPET_LEGACY_RTC;
diff -ruN -X /home/picco/losl/dontdiff linux-2.6.7-mm2-orig/drivers/char/Kconfig linux-2.6.7-mm2-hpet/drivers/char/Kconfig
--- linux-2.6.7-mm2-orig/drivers/char/Kconfig	2004-06-24 07:41:01.000000000 -0400
+++ linux-2.6.7-mm2-hpet/drivers/char/Kconfig	2004-06-28 13:20:55.000000000 -0400
@@ -955,8 +955,8 @@
	default n
	depends on ACPI
	help
-	  If you say Y here, you will have a device named "/dev/hpet/XX" for
-	  each timer supported by the HPET.  The timers are
+	  If you say Y here, you will have a miscdevice named "/dev/hpet/".  Each
+	  open selects one of the timers supported by the HPET.  The timers are
	  non-periodioc and/or periodic.

config HPET_RTC_IRQ
diff -ruN -X /home/picco/losl/dontdiff linux-2.6.7-mm2-orig/drivers/char/rtc.c linux-2.6.7-mm2-hpet/drivers/char/rtc.c
--- linux-2.6.7-mm2-orig/drivers/char/rtc.c	2004-06-28 13:19:27.000000000 -0400
+++ linux-2.6.7-mm2-hpet/drivers/char/rtc.c	2004-06-27 17:28:26.000000000 -0400
@@ -99,7 +99,6 @@

#ifdef	CONFIG_HPET_RTC_IRQ
#undef	RTC_IRQ
-#define	RTC_IRQ	0
#endif

#ifdef RTC_IRQ
diff -ruN -X /home/picco/losl/dontdiff linux-2.6.7-mm2-orig/include/linux/hpet.h linux-2.6.7-mm2-hpet/include/linux/hpet.h
--- linux-2.6.7-mm2-orig/include/linux/hpet.h	2004-06-28 13:19:27.000000000 -0400
+++ linux-2.6.7-mm2-hpet/include/linux/hpet.h	2004-06-24 08:52:30.000000000 -0400
@@ -54,12 +54,6 @@
#define	HPET_LEG_RT_CNF_MASK		(2UL)
#define	HPET_ENABLE_CNF_MASK		(1UL)

-/*
- * HPET interrupt status register
- */
-
-#define	HPET_ISR_CLEAR(HPET, TIMER)				\
-		(HPET)->hpet_isr |= (1UL << TIMER)

/*
 * Timer configuration register
@@ -115,8 +109,6 @@
	void *ht_opaque;
};

-#define	HD_STATE(HD, TIMER)	(HD)->hd_state |= (1 << TIMER)
-
struct hpet_data {
	unsigned long hd_address;
	unsigned short hd_nirqs;
@@ -127,6 +119,12 @@

#define	HPET_DATA_PLATFORM	0x0001	/* platform call to hpet_alloc */

+static inline void hpet_timer_reserved(struct hpet_data *hd, int timer)
+{
+	hd->hd_state |= (1 << timer);
+	return;
+}
+
int hpet_alloc(struct hpet_data *);
int hpet_register(struct hpet_task *, int);
int hpet_unregister(struct hpet_task *);



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