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timers/x86/hpet: Type adjustments

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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@suse.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/5624E3A002000078000AC49A@prv-mh.provo.novell.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Jan Beulich 2015-10-19 04:35:44 -06:00 committed by Ingo Molnar
parent 3bc2159faf
commit 3d45ac4b35
4 changed files with 19 additions and 20 deletions
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6
arch/x86/include/asm/hpet.h
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@ -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);

2
arch/x86/kernel/early-quirks.c
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@ -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
}

29
arch/x86/kernel/hpet.c
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@ -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);
}

2
arch/x86/kernel/quirks.c
View File

@ -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,