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x86: GEODE: MFGPT: replace 'flags' field with 'avail' bit

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Drop F_AVAIL and the 'flags' field, replacing with an 'avail' bit.  This
looks more understandable to me.

Signed-off-by: Andres Salomon <dilinger@debian.org>
Signed-off-by: Jordan Crouse <jordan.crouse@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Andres Salomon 2008-02-09 23:24:08 +01:00 committed by Thomas Gleixner
parent fa28e067c3
commit 9501b2efd7
1 changed files with 5 additions and 7 deletions
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12
arch/x86/kernel/mfgpt_32.c
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@ -32,10 +32,8 @@
#include <linux/interrupt.h>
#include <asm/geode.h>
#define F_AVAIL 0x01
static struct mfgpt_timer_t {
int flags;
unsigned int avail:1;
} mfgpt_timers[MFGPT_MAX_TIMERS];
/* Selected from the table above */
@ -95,7 +93,7 @@ int __init geode_mfgpt_detect(void)
for (i = 0; i < MFGPT_MAX_TIMERS; i++) {
val = geode_mfgpt_read(i, MFGPT_REG_SETUP);
if (!(val & MFGPT_SETUP_SETUP)) {
mfgpt_timers[i].flags = F_AVAIL;
mfgpt_timers[i].avail = 1;
count++;
}
}
@ -182,7 +180,7 @@ int geode_mfgpt_set_irq(int timer, int cmp, int irq, int enable)
static int mfgpt_get(int timer)
{
mfgpt_timers[timer].flags &= ~F_AVAIL;
mfgpt_timers[timer].avail = 0;
printk(KERN_INFO "geode-mfgpt: Registered timer %d\n", timer);
return timer;
}
@ -199,7 +197,7 @@ int geode_mfgpt_alloc_timer(int timer, int domain)
if (timer < 0) {
/* Try to find an available timer */
for (i = 0; i < MFGPT_MAX_TIMERS; i++) {
if (mfgpt_timers[i].flags & F_AVAIL)
if (mfgpt_timers[i].avail)
return mfgpt_get(i);
if (i == 5 && domain == MFGPT_DOMAIN_WORKING)
@ -207,7 +205,7 @@ int geode_mfgpt_alloc_timer(int timer, int domain)
}
} else {
/* If they requested a specific timer, try to honor that */
if (mfgpt_timers[timer].flags & F_AVAIL)
if (mfgpt_timers[timer].avail)
return mfgpt_get(timer);
}