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Diffstat (limited to 'arch/ia64/kernel/acpi.c')
-rw-r--r--arch/ia64/kernel/acpi.c328
1 files changed, 171 insertions, 157 deletions
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 9609f243e5d0..318787c84ac0 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -74,12 +74,11 @@ unsigned int acpi_cpei_override;
unsigned int acpi_cpei_phys_cpuid;
#define MAX_SAPICS 256
-u16 ia64_acpiid_to_sapicid[MAX_SAPICS] =
- { [0 ... MAX_SAPICS - 1] = -1 };
+u16 ia64_acpiid_to_sapicid[MAX_SAPICS] = {[0 ... MAX_SAPICS - 1] = -1 };
+
EXPORT_SYMBOL(ia64_acpiid_to_sapicid);
-const char *
-acpi_get_sysname (void)
+const char *acpi_get_sysname(void)
{
#ifdef CONFIG_IA64_GENERIC
unsigned long rsdp_phys;
@@ -89,27 +88,29 @@ acpi_get_sysname (void)
rsdp_phys = acpi_find_rsdp();
if (!rsdp_phys) {
- printk(KERN_ERR "ACPI 2.0 RSDP not found, default to \"dig\"\n");
+ printk(KERN_ERR
+ "ACPI 2.0 RSDP not found, default to \"dig\"\n");
return "dig";
}
- rsdp = (struct acpi20_table_rsdp *) __va(rsdp_phys);
+ rsdp = (struct acpi20_table_rsdp *)__va(rsdp_phys);
if (strncmp(rsdp->signature, RSDP_SIG, sizeof(RSDP_SIG) - 1)) {
- printk(KERN_ERR "ACPI 2.0 RSDP signature incorrect, default to \"dig\"\n");
+ printk(KERN_ERR
+ "ACPI 2.0 RSDP signature incorrect, default to \"dig\"\n");
return "dig";
}
- xsdt = (struct acpi_table_xsdt *) __va(rsdp->xsdt_address);
+ xsdt = (struct acpi_table_xsdt *)__va(rsdp->xsdt_address);
hdr = &xsdt->header;
if (strncmp(hdr->signature, XSDT_SIG, sizeof(XSDT_SIG) - 1)) {
- printk(KERN_ERR "ACPI 2.0 XSDT signature incorrect, default to \"dig\"\n");
+ printk(KERN_ERR
+ "ACPI 2.0 XSDT signature incorrect, default to \"dig\"\n");
return "dig";
}
if (!strcmp(hdr->oem_id, "HP")) {
return "hpzx1";
- }
- else if (!strcmp(hdr->oem_id, "SGI")) {
+ } else if (!strcmp(hdr->oem_id, "SGI")) {
return "sn2";
}
@@ -131,7 +132,7 @@ acpi_get_sysname (void)
#endif
}
-#ifdef CONFIG_ACPI_BOOT
+#ifdef CONFIG_ACPI
#define ACPI_MAX_PLATFORM_INTERRUPTS 256
@@ -146,8 +147,7 @@ enum acpi_irq_model_id acpi_irq_model = ACPI_IRQ_MODEL_IOSAPIC;
* Interrupt routing API for device drivers. Provides interrupt vector for
* a generic platform event. Currently only CPEI is implemented.
*/
-int
-acpi_request_vector (u32 int_type)
+int acpi_request_vector(u32 int_type)
{
int vector = -1;
@@ -155,12 +155,12 @@ acpi_request_vector (u32 int_type)
/* corrected platform error interrupt */
vector = platform_intr_list[int_type];
} else
- printk(KERN_ERR "acpi_request_vector(): invalid interrupt type\n");
+ printk(KERN_ERR
+ "acpi_request_vector(): invalid interrupt type\n");
return vector;
}
-char *
-__acpi_map_table (unsigned long phys_addr, unsigned long size)
+char *__acpi_map_table(unsigned long phys_addr, unsigned long size)
{
return __va(phys_addr);
}
@@ -169,19 +169,18 @@ __acpi_map_table (unsigned long phys_addr, unsigned long size)
Boot-time Table Parsing
-------------------------------------------------------------------------- */
-static int total_cpus __initdata;
-static int available_cpus __initdata;
-struct acpi_table_madt * acpi_madt __initdata;
-static u8 has_8259;
-
+static int total_cpus __initdata;
+static int available_cpus __initdata;
+struct acpi_table_madt *acpi_madt __initdata;
+static u8 has_8259;
static int __init
-acpi_parse_lapic_addr_ovr (
- acpi_table_entry_header *header, const unsigned long end)
+acpi_parse_lapic_addr_ovr(acpi_table_entry_header * header,
+ const unsigned long end)
{
struct acpi_table_lapic_addr_ovr *lapic;
- lapic = (struct acpi_table_lapic_addr_ovr *) header;
+ lapic = (struct acpi_table_lapic_addr_ovr *)header;
if (BAD_MADT_ENTRY(lapic, end))
return -EINVAL;
@@ -193,22 +192,23 @@ acpi_parse_lapic_addr_ovr (
return 0;
}
-
static int __init
-acpi_parse_lsapic (acpi_table_entry_header *header, const unsigned long end)
+acpi_parse_lsapic(acpi_table_entry_header * header, const unsigned long end)
{
struct acpi_table_lsapic *lsapic;
- lsapic = (struct acpi_table_lsapic *) header;
+ lsapic = (struct acpi_table_lsapic *)header;
if (BAD_MADT_ENTRY(lsapic, end))
return -EINVAL;
if (lsapic->flags.enabled) {
#ifdef CONFIG_SMP
- smp_boot_data.cpu_phys_id[available_cpus] = (lsapic->id << 8) | lsapic->eid;
+ smp_boot_data.cpu_phys_id[available_cpus] =
+ (lsapic->id << 8) | lsapic->eid;
#endif
- ia64_acpiid_to_sapicid[lsapic->acpi_id] = (lsapic->id << 8) | lsapic->eid;
+ ia64_acpiid_to_sapicid[lsapic->acpi_id] =
+ (lsapic->id << 8) | lsapic->eid;
++available_cpus;
}
@@ -216,13 +216,12 @@ acpi_parse_lsapic (acpi_table_entry_header *header, const unsigned long end)
return 0;
}
-
static int __init
-acpi_parse_lapic_nmi (acpi_table_entry_header *header, const unsigned long end)
+acpi_parse_lapic_nmi(acpi_table_entry_header * header, const unsigned long end)
{
struct acpi_table_lapic_nmi *lacpi_nmi;
- lacpi_nmi = (struct acpi_table_lapic_nmi*) header;
+ lacpi_nmi = (struct acpi_table_lapic_nmi *)header;
if (BAD_MADT_ENTRY(lacpi_nmi, end))
return -EINVAL;
@@ -231,13 +230,12 @@ acpi_parse_lapic_nmi (acpi_table_entry_header *header, const unsigned long end)
return 0;
}
-
static int __init
-acpi_parse_iosapic (acpi_table_entry_header *header, const unsigned long end)
+acpi_parse_iosapic(acpi_table_entry_header * header, const unsigned long end)
{
struct acpi_table_iosapic *iosapic;
- iosapic = (struct acpi_table_iosapic *) header;
+ iosapic = (struct acpi_table_iosapic *)header;
if (BAD_MADT_ENTRY(iosapic, end))
return -EINVAL;
@@ -245,15 +243,14 @@ acpi_parse_iosapic (acpi_table_entry_header *header, const unsigned long end)
return iosapic_init(iosapic->address, iosapic->global_irq_base);
}
-
static int __init
-acpi_parse_plat_int_src (
- acpi_table_entry_header *header, const unsigned long end)
+acpi_parse_plat_int_src(acpi_table_entry_header * header,
+ const unsigned long end)
{
struct acpi_table_plat_int_src *plintsrc;
int vector;
- plintsrc = (struct acpi_table_plat_int_src *) header;
+ plintsrc = (struct acpi_table_plat_int_src *)header;
if (BAD_MADT_ENTRY(plintsrc, end))
return -EINVAL;
@@ -267,8 +264,12 @@ acpi_parse_plat_int_src (
plintsrc->iosapic_vector,
plintsrc->eid,
plintsrc->id,
- (plintsrc->flags.polarity == 1) ? IOSAPIC_POL_HIGH : IOSAPIC_POL_LOW,
- (plintsrc->flags.trigger == 1) ? IOSAPIC_EDGE : IOSAPIC_LEVEL);
+ (plintsrc->flags.polarity ==
+ 1) ? IOSAPIC_POL_HIGH :
+ IOSAPIC_POL_LOW,
+ (plintsrc->flags.trigger ==
+ 1) ? IOSAPIC_EDGE :
+ IOSAPIC_LEVEL);
platform_intr_list[plintsrc->type] = vector;
if (acpi_madt_rev > 1) {
@@ -283,7 +284,6 @@ acpi_parse_plat_int_src (
return 0;
}
-
unsigned int can_cpei_retarget(void)
{
extern int cpe_vector;
@@ -322,29 +322,30 @@ unsigned int get_cpei_target_cpu(void)
}
static int __init
-acpi_parse_int_src_ovr (
- acpi_table_entry_header *header, const unsigned long end)
+acpi_parse_int_src_ovr(acpi_table_entry_header * header,
+ const unsigned long end)
{
struct acpi_table_int_src_ovr *p;
- p = (struct acpi_table_int_src_ovr *) header;
+ p = (struct acpi_table_int_src_ovr *)header;
if (BAD_MADT_ENTRY(p, end))
return -EINVAL;
iosapic_override_isa_irq(p->bus_irq, p->global_irq,
- (p->flags.polarity == 1) ? IOSAPIC_POL_HIGH : IOSAPIC_POL_LOW,
- (p->flags.trigger == 1) ? IOSAPIC_EDGE : IOSAPIC_LEVEL);
+ (p->flags.polarity ==
+ 1) ? IOSAPIC_POL_HIGH : IOSAPIC_POL_LOW,
+ (p->flags.trigger ==
+ 1) ? IOSAPIC_EDGE : IOSAPIC_LEVEL);
return 0;
}
-
static int __init
-acpi_parse_nmi_src (acpi_table_entry_header *header, const unsigned long end)
+acpi_parse_nmi_src(acpi_table_entry_header * header, const unsigned long end)
{
struct acpi_table_nmi_src *nmi_src;
- nmi_src = (struct acpi_table_nmi_src*) header;
+ nmi_src = (struct acpi_table_nmi_src *)header;
if (BAD_MADT_ENTRY(nmi_src, end))
return -EINVAL;
@@ -353,11 +354,9 @@ acpi_parse_nmi_src (acpi_table_entry_header *header, const unsigned long end)
return 0;
}
-static void __init
-acpi_madt_oem_check (char *oem_id, char *oem_table_id)
+static void __init acpi_madt_oem_check(char *oem_id, char *oem_table_id)
{
- if (!strncmp(oem_id, "IBM", 3) &&
- (!strncmp(oem_table_id, "SERMOW", 6))) {
+ if (!strncmp(oem_id, "IBM", 3) && (!strncmp(oem_table_id, "SERMOW", 6))) {
/*
* Unfortunately ITC_DRIFT is not yet part of the
@@ -370,19 +369,18 @@ acpi_madt_oem_check (char *oem_id, char *oem_table_id)
}
}
-static int __init
-acpi_parse_madt (unsigned long phys_addr, unsigned long size)
+static int __init acpi_parse_madt(unsigned long phys_addr, unsigned long size)
{
if (!phys_addr || !size)
return -EINVAL;
- acpi_madt = (struct acpi_table_madt *) __va(phys_addr);
+ acpi_madt = (struct acpi_table_madt *)__va(phys_addr);
acpi_madt_rev = acpi_madt->header.revision;
/* remember the value for reference after free_initmem() */
#ifdef CONFIG_ITANIUM
- has_8259 = 1; /* Firmware on old Itanium systems is broken */
+ has_8259 = 1; /* Firmware on old Itanium systems is broken */
#else
has_8259 = acpi_madt->flags.pcat_compat;
#endif
@@ -396,19 +394,18 @@ acpi_parse_madt (unsigned long phys_addr, unsigned long size)
printk(KERN_INFO PREFIX "Local APIC address %p\n", ipi_base_addr);
acpi_madt_oem_check(acpi_madt->header.oem_id,
- acpi_madt->header.oem_table_id);
+ acpi_madt->header.oem_table_id);
return 0;
}
-
#ifdef CONFIG_ACPI_NUMA
#undef SLIT_DEBUG
#define PXM_FLAG_LEN ((MAX_PXM_DOMAINS + 1)/32)
-static int __initdata srat_num_cpus; /* number of cpus */
+static int __initdata srat_num_cpus; /* number of cpus */
static u32 __devinitdata pxm_flag[PXM_FLAG_LEN];
#define pxm_bit_set(bit) (set_bit(bit,(void *)pxm_flag))
#define pxm_bit_test(bit) (test_bit(bit,(void *)pxm_flag))
@@ -421,15 +418,15 @@ static struct acpi_table_slit __initdata *slit_table;
* ACPI 2.0 SLIT (System Locality Information Table)
* http://devresource.hp.com/devresource/Docs/TechPapers/IA64/slit.pdf
*/
-void __init
-acpi_numa_slit_init (struct acpi_table_slit *slit)
+void __init acpi_numa_slit_init(struct acpi_table_slit *slit)
{
u32 len;
len = sizeof(struct acpi_table_header) + 8
- + slit->localities * slit->localities;
+ + slit->localities * slit->localities;
if (slit->header.length != len) {
- printk(KERN_ERR "ACPI 2.0 SLIT: size mismatch: %d expected, %d actual\n",
+ printk(KERN_ERR
+ "ACPI 2.0 SLIT: size mismatch: %d expected, %d actual\n",
len, slit->header.length);
memset(numa_slit, 10, sizeof(numa_slit));
return;
@@ -438,19 +435,20 @@ acpi_numa_slit_init (struct acpi_table_slit *slit)
}
void __init
-acpi_numa_processor_affinity_init (struct acpi_table_processor_affinity *pa)
+acpi_numa_processor_affinity_init(struct acpi_table_processor_affinity *pa)
{
/* record this node in proximity bitmap */
pxm_bit_set(pa->proximity_domain);
- node_cpuid[srat_num_cpus].phys_id = (pa->apic_id << 8) | (pa->lsapic_eid);
+ node_cpuid[srat_num_cpus].phys_id =
+ (pa->apic_id << 8) | (pa->lsapic_eid);
/* nid should be overridden as logical node id later */
node_cpuid[srat_num_cpus].nid = pa->proximity_domain;
srat_num_cpus++;
}
void __init
-acpi_numa_memory_affinity_init (struct acpi_table_memory_affinity *ma)
+acpi_numa_memory_affinity_init(struct acpi_table_memory_affinity *ma)
{
unsigned long paddr, size;
u8 pxm;
@@ -487,8 +485,7 @@ acpi_numa_memory_affinity_init (struct acpi_table_memory_affinity *ma)
num_node_memblks++;
}
-void __init
-acpi_numa_arch_fixup (void)
+void __init acpi_numa_arch_fixup(void)
{
int i, j, node_from, node_to;
@@ -534,21 +531,24 @@ acpi_numa_arch_fixup (void)
for (i = 0; i < srat_num_cpus; i++)
node_cpuid[i].nid = pxm_to_nid_map[node_cpuid[i].nid];
- printk(KERN_INFO "Number of logical nodes in system = %d\n", num_online_nodes());
- printk(KERN_INFO "Number of memory chunks in system = %d\n", num_node_memblks);
+ printk(KERN_INFO "Number of logical nodes in system = %d\n",
+ num_online_nodes());
+ printk(KERN_INFO "Number of memory chunks in system = %d\n",
+ num_node_memblks);
- if (!slit_table) return;
+ if (!slit_table)
+ return;
memset(numa_slit, -1, sizeof(numa_slit));
- for (i=0; i<slit_table->localities; i++) {
+ for (i = 0; i < slit_table->localities; i++) {
if (!pxm_bit_test(i))
continue;
node_from = pxm_to_nid_map[i];
- for (j=0; j<slit_table->localities; j++) {
+ for (j = 0; j < slit_table->localities; j++) {
if (!pxm_bit_test(j))
continue;
node_to = pxm_to_nid_map[j];
node_distance(node_from, node_to) =
- slit_table->entry[i*slit_table->localities + j];
+ slit_table->entry[i * slit_table->localities + j];
}
}
@@ -556,36 +556,43 @@ acpi_numa_arch_fixup (void)
printk("ACPI 2.0 SLIT locality table:\n");
for_each_online_node(i) {
for_each_online_node(j)
- printk("%03d ", node_distance(i,j));
+ printk("%03d ", node_distance(i, j));
printk("\n");
}
#endif
}
-#endif /* CONFIG_ACPI_NUMA */
+#endif /* CONFIG_ACPI_NUMA */
-unsigned int
-acpi_register_gsi (u32 gsi, int edge_level, int active_high_low)
+/*
+ * success: return IRQ number (>=0)
+ * failure: return < 0
+ */
+int acpi_register_gsi(u32 gsi, int edge_level, int active_high_low)
{
if (has_8259 && gsi < 16)
return isa_irq_to_vector(gsi);
return iosapic_register_intr(gsi,
- (active_high_low == ACPI_ACTIVE_HIGH) ? IOSAPIC_POL_HIGH : IOSAPIC_POL_LOW,
- (edge_level == ACPI_EDGE_SENSITIVE) ? IOSAPIC_EDGE : IOSAPIC_LEVEL);
+ (active_high_low ==
+ ACPI_ACTIVE_HIGH) ? IOSAPIC_POL_HIGH :
+ IOSAPIC_POL_LOW,
+ (edge_level ==
+ ACPI_EDGE_SENSITIVE) ? IOSAPIC_EDGE :
+ IOSAPIC_LEVEL);
}
+
EXPORT_SYMBOL(acpi_register_gsi);
#ifdef CONFIG_ACPI_DEALLOCATE_IRQ
-void
-acpi_unregister_gsi (u32 gsi)
+void acpi_unregister_gsi(u32 gsi)
{
iosapic_unregister_intr(gsi);
}
+
EXPORT_SYMBOL(acpi_unregister_gsi);
-#endif /* CONFIG_ACPI_DEALLOCATE_IRQ */
+#endif /* CONFIG_ACPI_DEALLOCATE_IRQ */
-static int __init
-acpi_parse_fadt (unsigned long phys_addr, unsigned long size)
+static int __init acpi_parse_fadt(unsigned long phys_addr, unsigned long size)
{
struct acpi_table_header *fadt_header;
struct fadt_descriptor_rev2 *fadt;
@@ -593,11 +600,11 @@ acpi_parse_fadt (unsigned long phys_addr, unsigned long size)
if (!phys_addr || !size)
return -EINVAL;
- fadt_header = (struct acpi_table_header *) __va(phys_addr);
+ fadt_header = (struct acpi_table_header *)__va(phys_addr);
if (fadt_header->revision != 3)
- return -ENODEV; /* Only deal with ACPI 2.0 FADT */
+ return -ENODEV; /* Only deal with ACPI 2.0 FADT */
- fadt = (struct fadt_descriptor_rev2 *) fadt_header;
+ fadt = (struct fadt_descriptor_rev2 *)fadt_header;
if (!(fadt->iapc_boot_arch & BAF_8042_KEYBOARD_CONTROLLER))
acpi_kbd_controller_present = 0;
@@ -609,22 +616,19 @@ acpi_parse_fadt (unsigned long phys_addr, unsigned long size)
return 0;
}
-
-unsigned long __init
-acpi_find_rsdp (void)
+unsigned long __init acpi_find_rsdp(void)
{
unsigned long rsdp_phys = 0;
if (efi.acpi20)
rsdp_phys = __pa(efi.acpi20);
else if (efi.acpi)
- printk(KERN_WARNING PREFIX "v1.0/r0.71 tables no longer supported\n");
+ printk(KERN_WARNING PREFIX
+ "v1.0/r0.71 tables no longer supported\n");
return rsdp_phys;
}
-
-int __init
-acpi_boot_init (void)
+int __init acpi_boot_init(void)
{
/*
@@ -642,31 +646,43 @@ acpi_boot_init (void)
/* Local APIC */
- if (acpi_table_parse_madt(ACPI_MADT_LAPIC_ADDR_OVR, acpi_parse_lapic_addr_ovr, 0) < 0)
- printk(KERN_ERR PREFIX "Error parsing LAPIC address override entry\n");
+ if (acpi_table_parse_madt
+ (ACPI_MADT_LAPIC_ADDR_OVR, acpi_parse_lapic_addr_ovr, 0) < 0)
+ printk(KERN_ERR PREFIX
+ "Error parsing LAPIC address override entry\n");
- if (acpi_table_parse_madt(ACPI_MADT_LSAPIC, acpi_parse_lsapic, NR_CPUS) < 1)
- printk(KERN_ERR PREFIX "Error parsing MADT - no LAPIC entries\n");
+ if (acpi_table_parse_madt(ACPI_MADT_LSAPIC, acpi_parse_lsapic, NR_CPUS)
+ < 1)
+ printk(KERN_ERR PREFIX
+ "Error parsing MADT - no LAPIC entries\n");
- if (acpi_table_parse_madt(ACPI_MADT_LAPIC_NMI, acpi_parse_lapic_nmi, 0) < 0)
+ if (acpi_table_parse_madt(ACPI_MADT_LAPIC_NMI, acpi_parse_lapic_nmi, 0)
+ < 0)
printk(KERN_ERR PREFIX "Error parsing LAPIC NMI entry\n");
/* I/O APIC */
- if (acpi_table_parse_madt(ACPI_MADT_IOSAPIC, acpi_parse_iosapic, NR_IOSAPICS) < 1)
- printk(KERN_ERR PREFIX "Error parsing MADT - no IOSAPIC entries\n");
+ if (acpi_table_parse_madt
+ (ACPI_MADT_IOSAPIC, acpi_parse_iosapic, NR_IOSAPICS) < 1)
+ printk(KERN_ERR PREFIX
+ "Error parsing MADT - no IOSAPIC entries\n");
/* System-Level Interrupt Routing */
- if (acpi_table_parse_madt(ACPI_MADT_PLAT_INT_SRC, acpi_parse_plat_int_src, ACPI_MAX_PLATFORM_INTERRUPTS) < 0)
- printk(KERN_ERR PREFIX "Error parsing platform interrupt source entry\n");
+ if (acpi_table_parse_madt
+ (ACPI_MADT_PLAT_INT_SRC, acpi_parse_plat_int_src,
+ ACPI_MAX_PLATFORM_INTERRUPTS) < 0)
+ printk(KERN_ERR PREFIX
+ "Error parsing platform interrupt source entry\n");
- if (acpi_table_parse_madt(ACPI_MADT_INT_SRC_OVR, acpi_parse_int_src_ovr, 0) < 0)
- printk(KERN_ERR PREFIX "Error parsing interrupt source overrides entry\n");
+ if (acpi_table_parse_madt
+ (ACPI_MADT_INT_SRC_OVR, acpi_parse_int_src_ovr, 0) < 0)
+ printk(KERN_ERR PREFIX
+ "Error parsing interrupt source overrides entry\n");
if (acpi_table_parse_madt(ACPI_MADT_NMI_SRC, acpi_parse_nmi_src, 0) < 0)
printk(KERN_ERR PREFIX "Error parsing NMI SRC entry\n");
- skip_madt:
+ skip_madt:
/*
* FADT says whether a legacy keyboard controller is present.
@@ -681,8 +697,9 @@ acpi_boot_init (void)
if (available_cpus == 0) {
printk(KERN_INFO "ACPI: Found 0 CPUS; assuming 1\n");
printk(KERN_INFO "CPU 0 (0x%04x)", hard_smp_processor_id());
- smp_boot_data.cpu_phys_id[available_cpus] = hard_smp_processor_id();
- available_cpus = 1; /* We've got at least one of these, no? */
+ smp_boot_data.cpu_phys_id[available_cpus] =
+ hard_smp_processor_id();
+ available_cpus = 1; /* We've got at least one of these, no? */
}
smp_boot_data.cpu_count = available_cpus;
@@ -691,8 +708,10 @@ acpi_boot_init (void)
if (srat_num_cpus == 0) {
int cpu, i = 1;
for (cpu = 0; cpu < smp_boot_data.cpu_count; cpu++)
- if (smp_boot_data.cpu_phys_id[cpu] != hard_smp_processor_id())
- node_cpuid[i++].phys_id = smp_boot_data.cpu_phys_id[cpu];
+ if (smp_boot_data.cpu_phys_id[cpu] !=
+ hard_smp_processor_id())
+ node_cpuid[i++].phys_id =
+ smp_boot_data.cpu_phys_id[cpu];
}
# endif
#endif
@@ -700,12 +719,12 @@ acpi_boot_init (void)
build_cpu_to_node_map();
#endif
/* Make boot-up look pretty */
- printk(KERN_INFO "%d CPUs available, %d CPUs total\n", available_cpus, total_cpus);
+ printk(KERN_INFO "%d CPUs available, %d CPUs total\n", available_cpus,
+ total_cpus);
return 0;
}
-int
-acpi_gsi_to_irq (u32 gsi, unsigned int *irq)
+int acpi_gsi_to_irq(u32 gsi, unsigned int *irq)
{
int vector;
@@ -726,11 +745,10 @@ acpi_gsi_to_irq (u32 gsi, unsigned int *irq)
*/
#ifdef CONFIG_ACPI_HOTPLUG_CPU
static
-int
-acpi_map_cpu2node(acpi_handle handle, int cpu, long physid)
+int acpi_map_cpu2node(acpi_handle handle, int cpu, long physid)
{
#ifdef CONFIG_ACPI_NUMA
- int pxm_id;
+ int pxm_id;
pxm_id = acpi_get_pxm(handle);
@@ -738,31 +756,28 @@ acpi_map_cpu2node(acpi_handle handle, int cpu, long physid)
* Assuming that the container driver would have set the proximity
* domain and would have initialized pxm_to_nid_map[pxm_id] && pxm_flag
*/
- node_cpuid[cpu].nid = (pxm_id < 0) ? 0:
- pxm_to_nid_map[pxm_id];
+ node_cpuid[cpu].nid = (pxm_id < 0) ? 0 : pxm_to_nid_map[pxm_id];
- node_cpuid[cpu].phys_id = physid;
+ node_cpuid[cpu].phys_id = physid;
#endif
- return(0);
+ return (0);
}
-
-int
-acpi_map_lsapic(acpi_handle handle, int *pcpu)
+int acpi_map_lsapic(acpi_handle handle, int *pcpu)
{
- struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
+ struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *obj;
struct acpi_table_lsapic *lsapic;
cpumask_t tmp_map;
long physid;
int cpu;
-
+
if (ACPI_FAILURE(acpi_evaluate_object(handle, "_MAT", NULL, &buffer)))
return -EINVAL;
- if (!buffer.length || !buffer.pointer)
+ if (!buffer.length || !buffer.pointer)
return -EINVAL;
-
+
obj = buffer.pointer;
if (obj->type != ACPI_TYPE_BUFFER ||
obj->buffer.length < sizeof(*lsapic)) {
@@ -778,7 +793,7 @@ acpi_map_lsapic(acpi_handle handle, int *pcpu)
return -EINVAL;
}
- physid = ((lsapic->id <<8) | (lsapic->eid));
+ physid = ((lsapic->id << 8) | (lsapic->eid));
acpi_os_free(buffer.pointer);
buffer.length = ACPI_ALLOCATE_BUFFER;
@@ -786,50 +801,49 @@ acpi_map_lsapic(acpi_handle handle, int *pcpu)
cpus_complement(tmp_map, cpu_present_map);
cpu = first_cpu(tmp_map);
- if(cpu >= NR_CPUS)
+ if (cpu >= NR_CPUS)
return -EINVAL;
acpi_map_cpu2node(handle, cpu, physid);
- cpu_set(cpu, cpu_present_map);
+ cpu_set(cpu, cpu_present_map);
ia64_cpu_to_sapicid[cpu] = physid;
ia64_acpiid_to_sapicid[lsapic->acpi_id] = ia64_cpu_to_sapicid[cpu];
*pcpu = cpu;
- return(0);
+ return (0);
}
-EXPORT_SYMBOL(acpi_map_lsapic);
+EXPORT_SYMBOL(acpi_map_lsapic);
-int
-acpi_unmap_lsapic(int cpu)
+int acpi_unmap_lsapic(int cpu)
{
int i;
- for (i=0; i<MAX_SAPICS; i++) {
- if (ia64_acpiid_to_sapicid[i] == ia64_cpu_to_sapicid[cpu]) {
- ia64_acpiid_to_sapicid[i] = -1;
- break;
- }
- }
+ for (i = 0; i < MAX_SAPICS; i++) {
+ if (ia64_acpiid_to_sapicid[i] == ia64_cpu_to_sapicid[cpu]) {
+ ia64_acpiid_to_sapicid[i] = -1;
+ break;
+ }
+ }
ia64_cpu_to_sapicid[cpu] = -1;
- cpu_clear(cpu,cpu_present_map);
+ cpu_clear(cpu, cpu_present_map);
#ifdef CONFIG_ACPI_NUMA
/* NUMA specific cleanup's */
#endif
- return(0);
+ return (0);
}
+
EXPORT_SYMBOL(acpi_unmap_lsapic);
-#endif /* CONFIG_ACPI_HOTPLUG_CPU */
-
+#endif /* CONFIG_ACPI_HOTPLUG_CPU */
#ifdef CONFIG_ACPI_NUMA
acpi_status __devinit
-acpi_map_iosapic (acpi_handle handle, u32 depth, void *context, void **ret)
+acpi_map_iosapic(acpi_handle handle, u32 depth, void *context, void **ret)
{
- struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
+ struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *obj;
struct acpi_table_iosapic *iosapic;
unsigned int gsi_base;
@@ -878,10 +892,9 @@ acpi_map_iosapic (acpi_handle handle, u32 depth, void *context, void **ret)
map_iosapic_to_node(gsi_base, node);
return AE_OK;
}
-#endif /* CONFIG_NUMA */
+#endif /* CONFIG_NUMA */
-int
-acpi_register_ioapic (acpi_handle handle, u64 phys_addr, u32 gsi_base)
+int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base)
{
int err;
@@ -890,17 +903,18 @@ acpi_register_ioapic (acpi_handle handle, u64 phys_addr, u32 gsi_base)
#if CONFIG_ACPI_NUMA
acpi_map_iosapic(handle, 0, NULL, NULL);
-#endif /* CONFIG_ACPI_NUMA */
+#endif /* CONFIG_ACPI_NUMA */
return 0;
}
+
EXPORT_SYMBOL(acpi_register_ioapic);
-int
-acpi_unregister_ioapic (acpi_handle handle, u32 gsi_base)
+int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base)
{
return iosapic_remove(gsi_base);
}
+
EXPORT_SYMBOL(acpi_unregister_ioapic);
-#endif /* CONFIG_ACPI_BOOT */
+#endif /* CONFIG_ACPI */