[PATCH] x86/HPET: type adjustments

[Jan Beulich]

Use bool instead of u8 or plain int where applicable. Also use u32 or
unsigned int instead of unsigned long when a 32-bit type suffices,
generating slightly better code on x86-64.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
---
 arch/x86/include/asm/hpet.h    |    6 +++---
 arch/x86/kernel/early-quirks.c |    2 +-
 arch/x86/kernel/hpet.c         |   29 ++++++++++++++---------------
 arch/x86/kernel/quirks.c       |    2 +-
 4 files changed, 19 insertions(+), 20 deletions(-)

--- 4.3-rc6/arch/x86/include/asm/hpet.h
+++ 4.3-rc6-x86-HPET-types/arch/x86/include/asm/hpet.h
@@ -63,10 +63,10 @@
 /* hpet memory map physical address */
 extern unsigned long hpet_address;
 extern unsigned long force_hpet_address;
-extern int boot_hpet_disable;
+extern bool boot_hpet_disable;
 extern u8 hpet_blockid;
-extern int hpet_force_user;
-extern u8 hpet_msi_disable;
+extern bool hpet_force_user;
+extern bool hpet_msi_disable;
 extern int is_hpet_enabled(void);
 extern int hpet_enable(void);
 extern void hpet_disable(void);
--- 4.3-rc6/arch/x86/kernel/early-quirks.c
+++ 4.3-rc6-x86-HPET-types/arch/x86/kernel/early-quirks.c
@@ -584,7 +584,7 @@ static void __init intel_graphics_stolen
 static void __init force_disable_hpet(int num, int slot, int func)
 {
 #ifdef CONFIG_HPET_TIMER
-	boot_hpet_disable = 1;
+	boot_hpet_disable = true;
 	pr_info("x86/hpet: Will disable the HPET for this platform because it's not reliable\n");
 #endif
 }
--- 4.3-rc6/arch/x86/kernel/hpet.c
+++ 4.3-rc6-x86-HPET-types/arch/x86/kernel/hpet.c
@@ -37,10 +37,10 @@
  */
 unsigned long				hpet_address;
 u8					hpet_blockid; /* OS timer block num */
-u8					hpet_msi_disable;
+bool					hpet_msi_disable;
 
 #ifdef CONFIG_PCI_MSI
-static unsigned long			hpet_num_timers;
+static unsigned int			hpet_num_timers;
 #endif
 static void __iomem			*hpet_virt_address;
 
@@ -86,9 +86,9 @@ static inline void hpet_clear_mapping(vo
 /*
  * HPET command line enable / disable
  */
-int boot_hpet_disable;
-int hpet_force_user;
-static int hpet_verbose;
+bool boot_hpet_disable;
+bool hpet_force_user;
+static bool hpet_verbose;
 
 static int __init hpet_setup(char *str)
 {
@@ -98,11 +98,11 @@ static int __init hpet_setup(char *str)
 		if (next)
 			*next++ = 0;
 		if (!strncmp("disable", str, 7))
-			boot_hpet_disable = 1;
+			boot_hpet_disable = true;
 		if (!strncmp("force", str, 5))
-			hpet_force_user = 1;
+			hpet_force_user = true;
 		if (!strncmp("verbose", str, 7))
-			hpet_verbose = 1;
+			hpet_verbose = true;
 		str = next;
 	}
 	return 1;
@@ -111,7 +111,7 @@ __setup("hpet=", hpet_setup);
 
 static int __init disable_hpet(char *str)
 {
-	boot_hpet_disable = 1;
+	boot_hpet_disable = true;
 	return 1;
 }
 __setup("nohpet", disable_hpet);
@@ -124,7 +124,7 @@ static inline int is_hpet_capable(void)
 /*
  * HPET timer interrupt enable / disable
  */
-static int hpet_legacy_int_enabled;
+static bool hpet_legacy_int_enabled;
 
 /**
  * is_hpet_enabled - check whether the hpet timer interrupt is enabled
@@ -230,7 +230,7 @@ static struct clock_event_device hpet_cl
 
 static void hpet_stop_counter(void)
 {
-	unsigned long cfg = hpet_readl(HPET_CFG);
+	u32 cfg = hpet_readl(HPET_CFG);
 	cfg &= ~HPET_CFG_ENABLE;
 	hpet_writel(cfg, HPET_CFG);
 }
@@ -272,7 +272,7 @@ static void hpet_enable_legacy_int(void)
 
 	cfg |= HPET_CFG_LEGACY;
 	hpet_writel(cfg, HPET_CFG);
-	hpet_legacy_int_enabled = 1;
+	hpet_legacy_int_enabled = true;
 }
 
 static void hpet_legacy_clockevent_register(void)
@@ -983,7 +983,7 @@ void hpet_disable(void)
 			cfg = *hpet_boot_cfg;
 		else if (hpet_legacy_int_enabled) {
 			cfg &= ~HPET_CFG_LEGACY;
-			hpet_legacy_int_enabled = 0;
+			hpet_legacy_int_enabled = false;
 		}
 		cfg &= ~HPET_CFG_ENABLE;
 		hpet_writel(cfg, HPET_CFG);
@@ -1121,8 +1121,7 @@ EXPORT_SYMBOL_GPL(hpet_rtc_timer_init);
 
 static void hpet_disable_rtc_channel(void)
 {
-	unsigned long cfg;
-	cfg = hpet_readl(HPET_T1_CFG);
+	u32 cfg = hpet_readl(HPET_T1_CFG);
 	cfg &= ~HPET_TN_ENABLE;
 	hpet_writel(cfg, HPET_T1_CFG);
 }
--- 4.3-rc6/arch/x86/kernel/quirks.c
+++ 4.3-rc6-x86-HPET-types/arch/x86/kernel/quirks.c
@@ -524,7 +524,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_I
  */
 static void force_disable_hpet_msi(struct pci_dev *unused)
 {
-	hpet_msi_disable = 1;
+	hpet_msi_disable = true;
 }
 
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_SBX00_SMBUS,


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