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

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>

diff --git a/arch/x86/kernel/mfgpt_32.c b/arch/x86/kernel/mfgpt_32.c
index 186bd36..6f79061 100644 (file)
--- a/arch/x86/kernel/mfgpt_32.c
+++ b/arch/x86/kernel/mfgpt_32.c
@@ -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);
        }