x86: i8254.c: Add pr_fmt(fmt)

- Add pr_fmt(fmt) "pit: " fmt
 - Strip pit: prefixes from pr_debug

Signed-off-by: Joe Perches <joe@perches.com>
LKML-Reference: <bbd4de532f18bb7c11f64ba20d224c08291cb126.1260383912.git.joe@perches.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c
index fab7440..296aba4 100644 (file)
--- a/arch/x86/kvm/i8254.c
+++ b/arch/x86/kvm/i8254.c
@@ -29,6 +29,8 @@
  *   Based on QEMU and Xen.
  */
 
+#define pr_fmt(fmt) "pit: " fmt
+
 #include <linux/kvm_host.h>
 
 #include "irq.h"
@@ -262,7 +264,7 @@ void __kvm_migrate_pit_timer(struct kvm_vcpu *vcpu)
 
 static void destroy_pit_timer(struct kvm_timer *pt)
 {
-       pr_debug("pit: execute del timer!\n");
+       pr_debug("execute del timer!\n");
        hrtimer_cancel(&pt->timer);
 }
 
@@ -284,7 +286,7 @@ static void create_pit_timer(struct kvm_kpit_state *ps, u32 val, int is_period)
 
        interval = muldiv64(val, NSEC_PER_SEC, KVM_PIT_FREQ);
 
-       pr_debug("pit: create pit timer, interval is %llu nsec\n", interval);
+       pr_debug("create pit timer, interval is %llu nsec\n", interval);
 
        /* TODO The new value only affected after the retriggered */
        hrtimer_cancel(&pt->timer);
@@ -309,7 +311,7 @@ static void pit_load_count(struct kvm *kvm, int channel, u32 val)
 
        WARN_ON(!mutex_is_locked(&ps->lock));
 
-       pr_debug("pit: load_count val is %d, channel is %d\n", val, channel);
+       pr_debug("load_count val is %d, channel is %d\n", val, channel);
 
        /*
         * The largest possible initial count is 0; this is equivalent
@@ -395,8 +397,8 @@ static int pit_ioport_write(struct kvm_io_device *this,
        mutex_lock(&pit_state->lock);
 
        if (val != 0)
-               pr_debug("pit: write addr is 0x%x, len is %d, val is 0x%x\n",
-                         (unsigned int)addr, len, val);
+               pr_debug("write addr is 0x%x, len is %d, val is 0x%x\n",
+                        (unsigned int)addr, len, val);
 
        if (addr == 3) {
                channel = val >> 6;