x86: HPET_MSI Basic HPET_MSI setup code, cleanups

small style cleanups.
Signed-off-by: Ingo Molnar <mingo@elte.hu>

arch/x86/kernel/hpet.c

 #include <linux/clocksource.h>
 #include <linux/clockchips.h>
+#include <linux/interrupt.h>
+#include <linux/sysdev.h>
 #include <linux/delay.h>
 #include <linux/errno.h>
 #include <linux/hpet.h>
 #include <linux/init.h>
-#include <linux/sysdev.h>
-#include <linux/pm.h>
-#include <linux/interrupt.h>
 #include <linux/cpu.h>
+#include <linux/pm.h>
+#include <linux/io.h>
 
 #include <asm/fixmap.h>
-#include <asm/hpet.h>
 #include <asm/i8253.h>
-#include <asm/io.h>
+#include <asm/hpet.h>
 
 #define HPET_MASK			CLOCKSOURCE_MASK(32)
 #define HPET_SHIFT			22
@@ -70,7 +70,7 @@ static inline void hpet_clear_mapping(void)
 static int boot_hpet_disable;
 int hpet_force_user;
 
-static int __init hpet_setup(char* str)
+static int __init hpet_setup(char *str)
 {
 	if (str) {
 		if (!strncmp("disable", str, 7))
@@ -91,7 +91,7 @@ __setup("nohpet", disable_hpet);
 
 static inline int is_hpet_capable(void)
 {
-	return (!boot_hpet_disable && hpet_address);
+	return !boot_hpet_disable && hpet_address;
 }
 
 /*
@@ -122,7 +122,7 @@ static void hpet_reserve_platform_timers(unsigned long id)
 
 	nrtimers = ((id & HPET_ID_NUMBER) >> HPET_ID_NUMBER_SHIFT) + 1;
 
-	memset(&hd, 0, sizeof (hd));
+	memset(&hd, 0, sizeof(hd));
 	hd.hd_phys_address	= hpet_address;
 	hd.hd_address		= hpet;
 	hd.hd_nirqs		= nrtimers;
@@ -141,8 +141,8 @@ static void hpet_reserve_platform_timers(unsigned long id)
 	hd.hd_irq[1] = HPET_LEGACY_RTC;
 
 	for (i = 2; i < nrtimers; timer++, i++) {
-		hd.hd_irq[i] = (readl(&timer->hpet_config) & Tn_INT_ROUTE_CNF_MASK) >>
-			Tn_INT_ROUTE_CNF_SHIFT;
+		hd.hd_irq[i] = (readl(&timer->hpet_config) &
+			Tn_INT_ROUTE_CNF_MASK) >> Tn_INT_ROUTE_CNF_SHIFT;
 	}
 
 	hpet_alloc(&hd);
@@ -244,7 +244,7 @@ static void hpet_set_mode(enum clock_event_mode mode,
 	unsigned long cfg, cmp, now;
 	uint64_t delta;
 
-	switch(mode) {
+	switch (mode) {
 	case CLOCK_EVT_MODE_PERIODIC:
 		delta = ((uint64_t)(NSEC_PER_SEC/HZ)) * evt->mult;
 		delta >>= evt->shift;