* Calling conventions:
*
* ACPI_SYSTEM_XFACE - Interfaces to host OS (handlers, threads)
- * ACPI_EXTERNAL_XFACE - External ACPI interfaces
+ * ACPI_EXTERNAL_XFACE - External ACPI interfaces
* ACPI_INTERNAL_XFACE - Internal ACPI interfaces
* ACPI_INTERNAL_VAR_XFACE - Internal variable-parameter list interfaces
*/
#define ACPI_ENABLE_IRQS() local_irq_enable()
#define ACPI_FLUSH_CPU_CACHE() wbinvd()
+int __acpi_acquire_global_lock(unsigned int *lock);
+int __acpi_release_global_lock(unsigned int *lock);
-static inline int
-__acpi_acquire_global_lock (unsigned int *lock)
-{
- unsigned int old, new, val;
- do {
- old = *lock;
- new = (((old & ~0x3) + 2) + ((old >> 1) & 0x1));
- val = cmpxchg(lock, old, new);
- } while (unlikely (val != old));
- return (new < 3) ? -1 : 0;
-}
-
-static inline int
-__acpi_release_global_lock (unsigned int *lock)
-{
- unsigned int old, new, val;
- do {
- old = *lock;
- new = old & ~0x3;
- val = cmpxchg(lock, old, new);
- } while (unlikely (val != old));
- return old & 0x1;
-}
+#define ACPI_ACQUIRE_GLOBAL_LOCK(facs, Acq) \
+ ((Acq) = __acpi_acquire_global_lock(&facs->global_lock))
-#define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq) \
- ((Acq) = __acpi_acquire_global_lock((unsigned int *) GLptr))
-
-#define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Acq) \
- ((Acq) = __acpi_release_global_lock((unsigned int *) GLptr))
+#define ACPI_RELEASE_GLOBAL_LOCK(facs, Acq) \
+ ((Acq) = __acpi_release_global_lock(&facs->global_lock))
/*
* Math helper asm macros
extern int acpi_disabled;
extern int acpi_pci_disabled;
extern int acpi_ht;
-static inline void disable_acpi(void)
-{
- acpi_disabled = 1;
- acpi_ht = 0;
+static inline void disable_acpi(void)
+{
+ acpi_disabled = 1;
+ acpi_ht = 0;
acpi_pci_disabled = 1;
acpi_noirq = 1;
}
extern int acpi_gsi_to_irq(u32 gsi, unsigned int *irq);
static inline void acpi_noirq_set(void) { acpi_noirq = 1; }
-static inline void acpi_disable_pci(void)
+static inline void acpi_disable_pci(void)
{
- acpi_pci_disabled = 1;
+ acpi_pci_disabled = 1;
acpi_noirq_set();
}
extern int acpi_irq_balance_set(char *str);
extern int acpi_disabled;
extern int acpi_pci_disabled;
-extern u8 x86_acpiid_to_apicid[];
-
#define ARCH_HAS_POWER_INIT 1
extern int acpi_skip_timer_override;
+extern int acpi_use_timer_override;
#endif /*__KERNEL__*/