[tip:timers/core] timers/x86/hpet: Type adjustments

[tip-bot for Jan Beulich]

Commit-ID:  3d45ac4b35cbdf942f2a45b2b927f2ef6a8bda48
Gitweb:     http://git.kernel.org/tip/3d45ac4b35cbdf942f2a45b2b927f2ef6a8bda48
Author:     Jan Beulich <JBeulich@xxxxxxxx>
AuthorDate: Mon, 19 Oct 2015 04:35:44 -0600
Committer:  Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Wed, 21 Oct 2015 11:17:32 +0200

timers/x86/hpet: Type adjustments

Standardize on bool instead of an inconsistent mixture of u8 and plain 'int'.

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>
Cc: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Brian Gerst <brgerst@xxxxxxxxx>
Cc: Denys Vlasenko <dvlasenk@xxxxxxxxxx>
Cc: H. Peter Anvin <hpa@xxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/5624E3A002000078000AC49A@xxxxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
 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(-)

diff --git a/arch/x86/include/asm/hpet.h b/arch/x86/include/asm/hpet.h
index 5fa9fb0..cc285ec 100644
--- a/arch/x86/include/asm/hpet.h
+++ b/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);
diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
index 9f9cc68..db9a675 100644
--- a/arch/x86/kernel/early-quirks.c
+++ b/arch/x86/kernel/early-quirks.c
@@ -584,7 +584,7 @@ static void __init intel_graphics_stolen(int num, int slot, int func)
 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
 }
diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index 88b4da3..b8e6ff5 100644
--- a/arch/x86/kernel/hpet.c
+++ b/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(void)
 /*
  * 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_clockevent;
 
 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);
 }
diff --git a/arch/x86/kernel/quirks.c b/arch/x86/kernel/quirks.c
index 176a0f9..cc457ff 100644
--- a/arch/x86/kernel/quirks.c
+++ b/arch/x86/kernel/quirks.c
@@ -524,7 +524,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_E6XX_CU,
  */
 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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