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Diffstat (limited to 'arch')
-rw-r--r--arch/i386/kernel/acpi/cstate.c10
-rw-r--r--arch/ia64/kernel/acpi.c3
-rw-r--r--arch/ia64/sn/kernel/io_acpi_init.c3
3 files changed, 11 insertions, 5 deletions
diff --git a/arch/i386/kernel/acpi/cstate.c b/arch/i386/kernel/acpi/cstate.c
index 12e937c1ce4b..2d39f55d29a8 100644
--- a/arch/i386/kernel/acpi/cstate.c
+++ b/arch/i386/kernel/acpi/cstate.c
@@ -47,13 +47,13 @@ EXPORT_SYMBOL(acpi_processor_power_init_bm_check);
/* The code below handles cstate entry with monitor-mwait pair on Intel*/
-struct cstate_entry_s {
+struct cstate_entry {
struct {
unsigned int eax;
unsigned int ecx;
} states[ACPI_PROCESSOR_MAX_POWER];
};
-static struct cstate_entry_s *cpu_cstate_entry; /* per CPU ptr */
+static struct cstate_entry *cpu_cstate_entry; /* per CPU ptr */
static short mwait_supported[ACPI_PROCESSOR_MAX_POWER];
@@ -71,7 +71,7 @@ static short mwait_supported[ACPI_PROCESSOR_MAX_POWER];
int acpi_processor_ffh_cstate_probe(unsigned int cpu,
struct acpi_processor_cx *cx, struct acpi_power_register *reg)
{
- struct cstate_entry_s *percpu_entry;
+ struct cstate_entry *percpu_entry;
struct cpuinfo_x86 *c = cpu_data + cpu;
cpumask_t saved_mask;
@@ -136,7 +136,7 @@ EXPORT_SYMBOL_GPL(acpi_processor_ffh_cstate_probe);
void acpi_processor_ffh_cstate_enter(struct acpi_processor_cx *cx)
{
unsigned int cpu = smp_processor_id();
- struct cstate_entry_s *percpu_entry;
+ struct cstate_entry *percpu_entry;
percpu_entry = per_cpu_ptr(cpu_cstate_entry, cpu);
mwait_idle_with_hints(percpu_entry->states[cx->index].eax,
@@ -150,7 +150,7 @@ static int __init ffh_cstate_init(void)
if (c->x86_vendor != X86_VENDOR_INTEL)
return -1;
- cpu_cstate_entry = alloc_percpu(struct cstate_entry_s);
+ cpu_cstate_entry = alloc_percpu(struct cstate_entry);
return 0;
}
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 73ef4a85b861..ef2fe474f107 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -590,6 +590,9 @@ void __init acpi_numa_arch_fixup(void)
*/
int acpi_register_gsi(u32 gsi, int triggering, int polarity)
{
+ if (acpi_irq_model == ACPI_IRQ_MODEL_PLATFORM)
+ return gsi;
+
if (has_8259 && gsi < 16)
return isa_irq_to_vector(gsi);
diff --git a/arch/ia64/sn/kernel/io_acpi_init.c b/arch/ia64/sn/kernel/io_acpi_init.c
index 99d7f278612a..cb96b4ea7df6 100644
--- a/arch/ia64/sn/kernel/io_acpi_init.c
+++ b/arch/ia64/sn/kernel/io_acpi_init.c
@@ -223,6 +223,9 @@ sn_io_acpi_init(void)
u64 result;
s64 status;
+ /* SN Altix does not follow the IOSAPIC IRQ routing model */
+ acpi_irq_model = ACPI_IRQ_MODEL_PLATFORM;
+
acpi_bus_register_driver(&acpi_sn_hubdev_driver);
status = sal_ioif_init(&result);
if (status || result)