#include <linux/efi.h>
-
#define _COMPONENT ACPI_OS_SERVICES
-ACPI_MODULE_NAME ("osl")
-
+ACPI_MODULE_NAME("osl")
#define PREFIX "ACPI: "
-
-struct acpi_os_dpc
-{
- acpi_osd_exec_callback function;
- void *context;
+struct acpi_os_dpc {
+ acpi_osd_exec_callback function;
+ void *context;
};
#ifdef CONFIG_ACPI_CUSTOM_DSDT
EXPORT_SYMBOL(acpi_in_debugger);
extern char line_buf[80];
-#endif /*ENABLE_DEBUGGER*/
+#endif /*ENABLE_DEBUGGER */
int acpi_specific_hotkey_enabled = TRUE;
EXPORT_SYMBOL(acpi_specific_hotkey_enabled);
static void *acpi_irq_context;
static struct workqueue_struct *kacpid_wq;
-acpi_status
-acpi_os_initialize(void)
+acpi_status acpi_os_initialize(void)
{
return AE_OK;
}
-acpi_status
-acpi_os_initialize1(void)
+acpi_status acpi_os_initialize1(void)
{
/*
* Initialize PCI configuration space access, as we'll need to access
*/
#ifdef CONFIG_ACPI_PCI
if (!raw_pci_ops) {
- printk(KERN_ERR PREFIX "Access to PCI configuration space unavailable\n");
+ printk(KERN_ERR PREFIX
+ "Access to PCI configuration space unavailable\n");
return AE_NULL_ENTRY;
}
#endif
return AE_OK;
}
-acpi_status
-acpi_os_terminate(void)
+acpi_status acpi_os_terminate(void)
{
if (acpi_irq_handler) {
acpi_os_remove_interrupt_handler(acpi_irq_irq,
return AE_OK;
}
-void
-acpi_os_printf(const char *fmt,...)
+void acpi_os_printf(const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
acpi_os_vprintf(fmt, args);
va_end(args);
}
+
EXPORT_SYMBOL(acpi_os_printf);
-void
-acpi_os_vprintf(const char *fmt, va_list args)
+void acpi_os_vprintf(const char *fmt, va_list args)
{
static char buffer[512];
-
+
vsprintf(buffer, fmt, args);
#ifdef ENABLE_DEBUGGER
#endif
}
-void *
-acpi_os_allocate(acpi_size size)
+extern int acpi_in_resume;
+void *acpi_os_allocate(acpi_size size)
{
- return kmalloc(size, GFP_KERNEL);
+ if (acpi_in_resume)
+ return kmalloc(size, GFP_ATOMIC);
+ else
+ return kmalloc(size, GFP_KERNEL);
}
-void
-acpi_os_free(void *ptr)
+void acpi_os_free(void *ptr)
{
kfree(ptr);
}
+
EXPORT_SYMBOL(acpi_os_free);
-acpi_status
-acpi_os_get_root_pointer(u32 flags, struct acpi_pointer *addr)
+acpi_status acpi_os_get_root_pointer(u32 flags, struct acpi_pointer *addr)
{
if (efi_enabled) {
addr->pointer_type = ACPI_PHYSICAL_POINTER;
if (efi.acpi20)
addr->pointer.physical =
- (acpi_physical_address) virt_to_phys(efi.acpi20);
+ (acpi_physical_address) virt_to_phys(efi.acpi20);
else if (efi.acpi)
addr->pointer.physical =
- (acpi_physical_address) virt_to_phys(efi.acpi);
+ (acpi_physical_address) virt_to_phys(efi.acpi);
else {
- printk(KERN_ERR PREFIX "System description tables not found\n");
+ printk(KERN_ERR PREFIX
+ "System description tables not found\n");
return AE_NOT_FOUND;
}
} else {
if (ACPI_FAILURE(acpi_find_root_pointer(flags, addr))) {
- printk(KERN_ERR PREFIX "System description tables not found\n");
+ printk(KERN_ERR PREFIX
+ "System description tables not found\n");
return AE_NOT_FOUND;
}
}
}
acpi_status
-acpi_os_map_memory(acpi_physical_address phys, acpi_size size, void __iomem **virt)
+acpi_os_map_memory(acpi_physical_address phys, acpi_size size,
+ void __iomem ** virt)
{
if (efi_enabled) {
if (EFI_MEMORY_WB & efi_mem_attributes(phys)) {
- *virt = (void __iomem *) phys_to_virt(phys);
+ *virt = (void __iomem *)phys_to_virt(phys);
} else {
*virt = ioremap(phys, size);
}
return AE_BAD_PARAMETER;
}
/*
- * ioremap checks to ensure this is in reserved space
- */
- *virt = ioremap((unsigned long) phys, size);
+ * ioremap checks to ensure this is in reserved space
+ */
+ *virt = ioremap((unsigned long)phys, size);
}
if (!*virt)
return AE_OK;
}
-void
-acpi_os_unmap_memory(void __iomem *virt, acpi_size size)
+void acpi_os_unmap_memory(void __iomem * virt, acpi_size size)
{
iounmap(virt);
}
#ifdef ACPI_FUTURE_USAGE
acpi_status
-acpi_os_get_physical_address(void *virt, acpi_physical_address *phys)
+acpi_os_get_physical_address(void *virt, acpi_physical_address * phys)
{
- if(!phys || !virt)
+ if (!phys || !virt)
return AE_BAD_PARAMETER;
*phys = virt_to_phys(virt);
static char acpi_os_name[ACPI_MAX_OVERRIDE_LEN];
acpi_status
-acpi_os_predefined_override (const struct acpi_predefined_names *init_val,
- acpi_string *new_val)
+acpi_os_predefined_override(const struct acpi_predefined_names *init_val,
+ acpi_string * new_val)
{
if (!init_val || !new_val)
return AE_BAD_PARAMETER;
*new_val = NULL;
- if (!memcmp (init_val->name, "_OS_", 4) && strlen(acpi_os_name)) {
+ if (!memcmp(init_val->name, "_OS_", 4) && strlen(acpi_os_name)) {
printk(KERN_INFO PREFIX "Overriding _OS definition to '%s'\n",
- acpi_os_name);
+ acpi_os_name);
*new_val = acpi_os_name;
}
}
acpi_status
-acpi_os_table_override (struct acpi_table_header *existing_table,
- struct acpi_table_header **new_table)
+acpi_os_table_override(struct acpi_table_header * existing_table,
+ struct acpi_table_header ** new_table)
{
if (!existing_table || !new_table)
return AE_BAD_PARAMETER;
#ifdef CONFIG_ACPI_CUSTOM_DSDT
if (strncmp(existing_table->signature, "DSDT", 4) == 0)
- *new_table = (struct acpi_table_header*)AmlCode;
+ *new_table = (struct acpi_table_header *)AmlCode;
else
*new_table = NULL;
#else
return AE_OK;
}
-static irqreturn_t
-acpi_irq(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t acpi_irq(int irq, void *dev_id, struct pt_regs *regs)
{
- return (*acpi_irq_handler)(acpi_irq_context) ? IRQ_HANDLED : IRQ_NONE;
+ return (*acpi_irq_handler) (acpi_irq_context) ? IRQ_HANDLED : IRQ_NONE;
}
acpi_status
-acpi_os_install_interrupt_handler(u32 gsi, acpi_osd_handler handler, void *context)
+acpi_os_install_interrupt_handler(u32 gsi, acpi_osd_handler handler,
+ void *context)
{
unsigned int irq;
return AE_OK;
}
-acpi_status
-acpi_os_remove_interrupt_handler(u32 irq, acpi_osd_handler handler)
+acpi_status acpi_os_remove_interrupt_handler(u32 irq, acpi_osd_handler handler)
{
if (irq) {
free_irq(irq, acpi_irq);
* Running in interpreter thread context, safe to sleep
*/
-void
-acpi_os_sleep(acpi_integer ms)
+void acpi_os_sleep(acpi_integer ms)
{
current->state = TASK_INTERRUPTIBLE;
- schedule_timeout(((signed long) ms * HZ) / 1000);
+ schedule_timeout(((signed long)ms * HZ) / 1000);
}
+
EXPORT_SYMBOL(acpi_os_sleep);
-void
-acpi_os_stall(u32 us)
+void acpi_os_stall(u32 us)
{
while (us) {
u32 delay = 1000;
us -= delay;
}
}
+
EXPORT_SYMBOL(acpi_os_stall);
/*
* Returns 64-bit free-running, monotonically increasing timer
* with 100ns granularity
*/
-u64
-acpi_os_get_timer (void)
+u64 acpi_os_get_timer(void)
{
static u64 t;
return ++t;
}
-acpi_status
-acpi_os_read_port(
- acpi_io_address port,
- u32 *value,
- u32 width)
+acpi_status acpi_os_read_port(acpi_io_address port, u32 * value, u32 width)
{
u32 dummy;
if (!value)
value = &dummy;
- switch (width)
- {
+ switch (width) {
case 8:
- *(u8*) value = inb(port);
+ *(u8 *) value = inb(port);
break;
case 16:
- *(u16*) value = inw(port);
+ *(u16 *) value = inw(port);
break;
case 32:
- *(u32*) value = inl(port);
+ *(u32 *) value = inl(port);
break;
default:
BUG();
return AE_OK;
}
+
EXPORT_SYMBOL(acpi_os_read_port);
-acpi_status
-acpi_os_write_port(
- acpi_io_address port,
- u32 value,
- u32 width)
+acpi_status acpi_os_write_port(acpi_io_address port, u32 value, u32 width)
{
- switch (width)
- {
+ switch (width) {
case 8:
outb(value, port);
break;
return AE_OK;
}
+
EXPORT_SYMBOL(acpi_os_write_port);
acpi_status
-acpi_os_read_memory(
- acpi_physical_address phys_addr,
- u32 *value,
- u32 width)
+acpi_os_read_memory(acpi_physical_address phys_addr, u32 * value, u32 width)
{
- u32 dummy;
- void __iomem *virt_addr;
- int iomem = 0;
+ u32 dummy;
+ void __iomem *virt_addr;
+ int iomem = 0;
if (efi_enabled) {
if (EFI_MEMORY_WB & efi_mem_attributes(phys_addr)) {
/* HACK ALERT! We can use readb/w/l on real memory too.. */
- virt_addr = (void __iomem *) phys_to_virt(phys_addr);
+ virt_addr = (void __iomem *)phys_to_virt(phys_addr);
} else {
iomem = 1;
virt_addr = ioremap(phys_addr, width);
}
} else
- virt_addr = (void __iomem *) phys_to_virt(phys_addr);
+ virt_addr = (void __iomem *)phys_to_virt(phys_addr);
if (!value)
value = &dummy;
switch (width) {
case 8:
- *(u8*) value = readb(virt_addr);
+ *(u8 *) value = readb(virt_addr);
break;
case 16:
- *(u16*) value = readw(virt_addr);
+ *(u16 *) value = readw(virt_addr);
break;
case 32:
- *(u32*) value = readl(virt_addr);
+ *(u32 *) value = readl(virt_addr);
break;
default:
BUG();
}
acpi_status
-acpi_os_write_memory(
- acpi_physical_address phys_addr,
- u32 value,
- u32 width)
+acpi_os_write_memory(acpi_physical_address phys_addr, u32 value, u32 width)
{
- void __iomem *virt_addr;
- int iomem = 0;
+ void __iomem *virt_addr;
+ int iomem = 0;
if (efi_enabled) {
if (EFI_MEMORY_WB & efi_mem_attributes(phys_addr)) {
/* HACK ALERT! We can use writeb/w/l on real memory too */
- virt_addr = (void __iomem *) phys_to_virt(phys_addr);
+ virt_addr = (void __iomem *)phys_to_virt(phys_addr);
} else {
iomem = 1;
virt_addr = ioremap(phys_addr, width);
}
} else
- virt_addr = (void __iomem *) phys_to_virt(phys_addr);
+ virt_addr = (void __iomem *)phys_to_virt(phys_addr);
switch (width) {
case 8:
#ifdef CONFIG_ACPI_PCI
acpi_status
-acpi_os_read_pci_configuration (struct acpi_pci_id *pci_id, u32 reg, void *value, u32 width)
+acpi_os_read_pci_configuration(struct acpi_pci_id * pci_id, u32 reg,
+ void *value, u32 width)
{
int result, size;
BUG_ON(!raw_pci_ops);
result = raw_pci_ops->read(pci_id->segment, pci_id->bus,
- PCI_DEVFN(pci_id->device, pci_id->function),
- reg, size, value);
+ PCI_DEVFN(pci_id->device, pci_id->function),
+ reg, size, value);
return (result ? AE_ERROR : AE_OK);
}
+
EXPORT_SYMBOL(acpi_os_read_pci_configuration);
acpi_status
-acpi_os_write_pci_configuration (struct acpi_pci_id *pci_id, u32 reg, acpi_integer value, u32 width)
+acpi_os_write_pci_configuration(struct acpi_pci_id * pci_id, u32 reg,
+ acpi_integer value, u32 width)
{
int result, size;
BUG_ON(!raw_pci_ops);
result = raw_pci_ops->write(pci_id->segment, pci_id->bus,
- PCI_DEVFN(pci_id->device, pci_id->function),
- reg, size, value);
+ PCI_DEVFN(pci_id->device, pci_id->function),
+ reg, size, value);
return (result ? AE_ERROR : AE_OK);
}
/* TODO: Change code to take advantage of driver model more */
-static void
-acpi_os_derive_pci_id_2 (
- acpi_handle rhandle, /* upper bound */
- acpi_handle chandle, /* current node */
- struct acpi_pci_id **id,
- int *is_bridge,
- u8 *bus_number)
+static void acpi_os_derive_pci_id_2(acpi_handle rhandle, /* upper bound */
+ acpi_handle chandle, /* current node */
+ struct acpi_pci_id **id,
+ int *is_bridge, u8 * bus_number)
{
- acpi_handle handle;
- struct acpi_pci_id *pci_id = *id;
- acpi_status status;
- unsigned long temp;
- acpi_object_type type;
- u8 tu8;
+ acpi_handle handle;
+ struct acpi_pci_id *pci_id = *id;
+ acpi_status status;
+ unsigned long temp;
+ acpi_object_type type;
+ u8 tu8;
acpi_get_parent(chandle, &handle);
if (handle != rhandle) {
- acpi_os_derive_pci_id_2(rhandle, handle, &pci_id, is_bridge, bus_number);
+ acpi_os_derive_pci_id_2(rhandle, handle, &pci_id, is_bridge,
+ bus_number);
status = acpi_get_type(handle, &type);
- if ( (ACPI_FAILURE(status)) || (type != ACPI_TYPE_DEVICE) )
+ if ((ACPI_FAILURE(status)) || (type != ACPI_TYPE_DEVICE))
return;
- status = acpi_evaluate_integer(handle, METHOD_NAME__ADR, NULL, &temp);
+ status =
+ acpi_evaluate_integer(handle, METHOD_NAME__ADR, NULL,
+ &temp);
if (ACPI_SUCCESS(status)) {
- pci_id->device = ACPI_HIWORD (ACPI_LODWORD (temp));
- pci_id->function = ACPI_LOWORD (ACPI_LODWORD (temp));
+ pci_id->device = ACPI_HIWORD(ACPI_LODWORD(temp));
+ pci_id->function = ACPI_LOWORD(ACPI_LODWORD(temp));
if (*is_bridge)
pci_id->bus = *bus_number;
/* any nicer way to get bus number of bridge ? */
- status = acpi_os_read_pci_configuration(pci_id, 0x0e, &tu8, 8);
- if (ACPI_SUCCESS(status) &&
- ((tu8 & 0x7f) == 1 || (tu8 & 0x7f) == 2)) {
- status = acpi_os_read_pci_configuration(pci_id, 0x18, &tu8, 8);
+ status =
+ acpi_os_read_pci_configuration(pci_id, 0x0e, &tu8,
+ 8);
+ if (ACPI_SUCCESS(status)
+ && ((tu8 & 0x7f) == 1 || (tu8 & 0x7f) == 2)) {
+ status =
+ acpi_os_read_pci_configuration(pci_id, 0x18,
+ &tu8, 8);
if (!ACPI_SUCCESS(status)) {
/* Certainly broken... FIX ME */
return;
}
*is_bridge = 1;
pci_id->bus = tu8;
- status = acpi_os_read_pci_configuration(pci_id, 0x19, &tu8, 8);
+ status =
+ acpi_os_read_pci_configuration(pci_id, 0x19,
+ &tu8, 8);
if (ACPI_SUCCESS(status)) {
*bus_number = tu8;
}
}
}
-void
-acpi_os_derive_pci_id (
- acpi_handle rhandle, /* upper bound */
- acpi_handle chandle, /* current node */
- struct acpi_pci_id **id)
+void acpi_os_derive_pci_id(acpi_handle rhandle, /* upper bound */
+ acpi_handle chandle, /* current node */
+ struct acpi_pci_id **id)
{
int is_bridge = 1;
u8 bus_number = (*id)->bus;
acpi_os_derive_pci_id_2(rhandle, chandle, id, &is_bridge, &bus_number);
}
-#else /*!CONFIG_ACPI_PCI*/
+#else /*!CONFIG_ACPI_PCI */
acpi_status
-acpi_os_write_pci_configuration (
- struct acpi_pci_id *pci_id,
- u32 reg,
- acpi_integer value,
- u32 width)
+acpi_os_write_pci_configuration(struct acpi_pci_id * pci_id,
+ u32 reg, acpi_integer value, u32 width)
{
return AE_SUPPORT;
}
acpi_status
-acpi_os_read_pci_configuration (
- struct acpi_pci_id *pci_id,
- u32 reg,
- void *value,
- u32 width)
+acpi_os_read_pci_configuration(struct acpi_pci_id * pci_id,
+ u32 reg, void *value, u32 width)
{
return AE_SUPPORT;
}
-void
-acpi_os_derive_pci_id (
- acpi_handle rhandle, /* upper bound */
- acpi_handle chandle, /* current node */
- struct acpi_pci_id **id)
+void acpi_os_derive_pci_id(acpi_handle rhandle, /* upper bound */
+ acpi_handle chandle, /* current node */
+ struct acpi_pci_id **id)
{
}
-#endif /*CONFIG_ACPI_PCI*/
+#endif /*CONFIG_ACPI_PCI */
-static void
-acpi_os_execute_deferred (
- void *context)
+static void acpi_os_execute_deferred(void *context)
{
- struct acpi_os_dpc *dpc = NULL;
+ struct acpi_os_dpc *dpc = NULL;
- ACPI_FUNCTION_TRACE ("os_execute_deferred");
+ ACPI_FUNCTION_TRACE("os_execute_deferred");
- dpc = (struct acpi_os_dpc *) context;
+ dpc = (struct acpi_os_dpc *)context;
if (!dpc) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Invalid (NULL) context.\n"));
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid (NULL) context.\n"));
return_VOID;
}
}
acpi_status
-acpi_os_queue_for_execution(
- u32 priority,
- acpi_osd_exec_callback function,
- void *context)
+acpi_os_queue_for_execution(u32 priority,
+ acpi_osd_exec_callback function, void *context)
{
- acpi_status status = AE_OK;
- struct acpi_os_dpc *dpc;
- struct work_struct *task;
+ acpi_status status = AE_OK;
+ struct acpi_os_dpc *dpc;
+ struct work_struct *task;
- ACPI_FUNCTION_TRACE ("os_queue_for_execution");
+ ACPI_FUNCTION_TRACE("os_queue_for_execution");
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Scheduling function [%p(%p)] for deferred execution.\n", function, context));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Scheduling function [%p(%p)] for deferred execution.\n",
+ function, context));
if (!function)
- return_ACPI_STATUS (AE_BAD_PARAMETER);
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
/*
* Allocate/initialize DPC structure. Note that this memory will be
* from the same memory.
*/
- dpc = kmalloc(sizeof(struct acpi_os_dpc)+sizeof(struct work_struct), GFP_ATOMIC);
+ dpc =
+ kmalloc(sizeof(struct acpi_os_dpc) + sizeof(struct work_struct),
+ GFP_ATOMIC);
if (!dpc)
- return_ACPI_STATUS (AE_NO_MEMORY);
+ return_ACPI_STATUS(AE_NO_MEMORY);
dpc->function = function;
dpc->context = context;
- task = (void *)(dpc+1);
- INIT_WORK(task, acpi_os_execute_deferred, (void*)dpc);
+ task = (void *)(dpc + 1);
+ INIT_WORK(task, acpi_os_execute_deferred, (void *)dpc);
if (!queue_work(kacpid_wq, task)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Call to queue_work() failed.\n"));
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Call to queue_work() failed.\n"));
kfree(dpc);
status = AE_ERROR;
}
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
+
EXPORT_SYMBOL(acpi_os_queue_for_execution);
-void
-acpi_os_wait_events_complete(
- void *context)
+void acpi_os_wait_events_complete(void *context)
{
flush_workqueue(kacpid_wq);
}
+
EXPORT_SYMBOL(acpi_os_wait_events_complete);
/*
* Allocate the memory for a spinlock and initialize it.
*/
-acpi_status
-acpi_os_create_lock (
- acpi_handle *out_handle)
+acpi_status acpi_os_create_lock(acpi_handle * out_handle)
{
spinlock_t *lock_ptr;
- ACPI_FUNCTION_TRACE ("os_create_lock");
+ ACPI_FUNCTION_TRACE("os_create_lock");
lock_ptr = acpi_os_allocate(sizeof(spinlock_t));
spin_lock_init(lock_ptr);
- ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Creating spinlock[%p].\n", lock_ptr));
+ ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Creating spinlock[%p].\n", lock_ptr));
*out_handle = lock_ptr;
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
-
/*
* Deallocate the memory for a spinlock.
*/
-void
-acpi_os_delete_lock (
- acpi_handle handle)
+void acpi_os_delete_lock(acpi_handle handle)
{
- ACPI_FUNCTION_TRACE ("os_create_lock");
+ ACPI_FUNCTION_TRACE("os_create_lock");
- ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Deleting spinlock[%p].\n", handle));
+ ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Deleting spinlock[%p].\n", handle));
acpi_os_free(handle);
}
acpi_status
-acpi_os_create_semaphore(
- u32 max_units,
- u32 initial_units,
- acpi_handle *handle)
+acpi_os_create_semaphore(u32 max_units, u32 initial_units, acpi_handle * handle)
{
- struct semaphore *sem = NULL;
+ struct semaphore *sem = NULL;
- ACPI_FUNCTION_TRACE ("os_create_semaphore");
+ ACPI_FUNCTION_TRACE("os_create_semaphore");
sem = acpi_os_allocate(sizeof(struct semaphore));
if (!sem)
- return_ACPI_STATUS (AE_NO_MEMORY);
+ return_ACPI_STATUS(AE_NO_MEMORY);
memset(sem, 0, sizeof(struct semaphore));
sema_init(sem, initial_units);
- *handle = (acpi_handle*)sem;
+ *handle = (acpi_handle *) sem;
- ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Creating semaphore[%p|%d].\n", *handle, initial_units));
+ ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Creating semaphore[%p|%d].\n",
+ *handle, initial_units));
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
-EXPORT_SYMBOL(acpi_os_create_semaphore);
+EXPORT_SYMBOL(acpi_os_create_semaphore);
/*
* TODO: A better way to delete semaphores? Linux doesn't have a
* we at least check for blocked threads and signal/cancel them?
*/
-acpi_status
-acpi_os_delete_semaphore(
- acpi_handle handle)
+acpi_status acpi_os_delete_semaphore(acpi_handle handle)
{
- struct semaphore *sem = (struct semaphore*) handle;
+ struct semaphore *sem = (struct semaphore *)handle;
- ACPI_FUNCTION_TRACE ("os_delete_semaphore");
+ ACPI_FUNCTION_TRACE("os_delete_semaphore");
if (!sem)
- return_ACPI_STATUS (AE_BAD_PARAMETER);
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
- ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Deleting semaphore[%p].\n", handle));
+ ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Deleting semaphore[%p].\n", handle));
- acpi_os_free(sem); sem = NULL;
+ acpi_os_free(sem);
+ sem = NULL;
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
-EXPORT_SYMBOL(acpi_os_delete_semaphore);
+EXPORT_SYMBOL(acpi_os_delete_semaphore);
/*
* TODO: The kernel doesn't have a 'down_timeout' function -- had to
*
* TODO: Support for units > 1?
*/
-acpi_status
-acpi_os_wait_semaphore(
- acpi_handle handle,
- u32 units,
- u16 timeout)
+acpi_status acpi_os_wait_semaphore(acpi_handle handle, u32 units, u16 timeout)
{
- acpi_status status = AE_OK;
- struct semaphore *sem = (struct semaphore*)handle;
- int ret = 0;
+ acpi_status status = AE_OK;
+ struct semaphore *sem = (struct semaphore *)handle;
+ int ret = 0;
- ACPI_FUNCTION_TRACE ("os_wait_semaphore");
+ ACPI_FUNCTION_TRACE("os_wait_semaphore");
if (!sem || (units < 1))
- return_ACPI_STATUS (AE_BAD_PARAMETER);
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
if (units > 1)
- return_ACPI_STATUS (AE_SUPPORT);
+ return_ACPI_STATUS(AE_SUPPORT);
- ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Waiting for semaphore[%p|%d|%d]\n", handle, units, timeout));
+ ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Waiting for semaphore[%p|%d|%d]\n",
+ handle, units, timeout));
if (in_atomic())
timeout = 0;
- switch (timeout)
- {
+ switch (timeout) {
/*
* No Wait:
* --------
* acquire the semaphore if available otherwise return AE_TIME
* (a.k.a. 'would block').
*/
- case 0:
- if(down_trylock(sem))
+ case 0:
+ if (down_trylock(sem))
status = AE_TIME;
break;
* Wait Indefinitely:
* ------------------
*/
- case ACPI_WAIT_FOREVER:
+ case ACPI_WAIT_FOREVER:
down(sem);
break;
* Wait w/ Timeout:
* ----------------
*/
- default:
+ default:
// TODO: A better timeout algorithm?
{
int i = 0;
- static const int quantum_ms = 1000/HZ;
+ static const int quantum_ms = 1000 / HZ;
ret = down_trylock(sem);
for (i = timeout; (i > 0 && ret < 0); i -= quantum_ms) {
schedule_timeout(1);
ret = down_trylock(sem);
}
-
+
if (ret != 0)
status = AE_TIME;
}
}
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Failed to acquire semaphore[%p|%d|%d], %s\n",
- handle, units, timeout, acpi_format_exception(status)));
- }
- else {
- ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Acquired semaphore[%p|%d|%d]\n", handle, units, timeout));
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Failed to acquire semaphore[%p|%d|%d], %s\n",
+ handle, units, timeout,
+ acpi_format_exception(status)));
+ } else {
+ ACPI_DEBUG_PRINT((ACPI_DB_MUTEX,
+ "Acquired semaphore[%p|%d|%d]\n", handle,
+ units, timeout));
}
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_os_wait_semaphore);
+EXPORT_SYMBOL(acpi_os_wait_semaphore);
/*
* TODO: Support for units > 1?
*/
-acpi_status
-acpi_os_signal_semaphore(
- acpi_handle handle,
- u32 units)
+acpi_status acpi_os_signal_semaphore(acpi_handle handle, u32 units)
{
- struct semaphore *sem = (struct semaphore *) handle;
+ struct semaphore *sem = (struct semaphore *)handle;
- ACPI_FUNCTION_TRACE ("os_signal_semaphore");
+ ACPI_FUNCTION_TRACE("os_signal_semaphore");
if (!sem || (units < 1))
- return_ACPI_STATUS (AE_BAD_PARAMETER);
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
if (units > 1)
- return_ACPI_STATUS (AE_SUPPORT);
+ return_ACPI_STATUS(AE_SUPPORT);
- ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Signaling semaphore[%p|%d]\n", handle, units));
+ ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Signaling semaphore[%p|%d]\n", handle,
+ units));
up(sem);
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
+
EXPORT_SYMBOL(acpi_os_signal_semaphore);
#ifdef ACPI_FUTURE_USAGE
-u32
-acpi_os_get_line(char *buffer)
+u32 acpi_os_get_line(char *buffer)
{
#ifdef ENABLE_DEBUGGER
return 0;
}
-#endif /* ACPI_FUTURE_USAGE */
+#endif /* ACPI_FUTURE_USAGE */
/* Assumes no unreadable holes inbetween */
-u8
-acpi_os_readable(void *ptr, acpi_size len)
+u8 acpi_os_readable(void *ptr, acpi_size len)
{
-#if defined(__i386__) || defined(__x86_64__)
+#if defined(__i386__) || defined(__x86_64__)
char tmp;
- return !__get_user(tmp, (char __user *)ptr) && !__get_user(tmp, (char __user *)ptr + len - 1);
+ return !__get_user(tmp, (char __user *)ptr)
+ && !__get_user(tmp, (char __user *)ptr + len - 1);
#endif
return 1;
}
#ifdef ACPI_FUTURE_USAGE
-u8
-acpi_os_writable(void *ptr, acpi_size len)
+u8 acpi_os_writable(void *ptr, acpi_size len)
{
/* could do dummy write (racy) or a kernel page table lookup.
The later may be difficult at early boot when kmap doesn't work yet. */
}
#endif
-u32
-acpi_os_get_thread_id (void)
+u32 acpi_os_get_thread_id(void)
{
if (!in_atomic())
return current->pid;
return 0;
}
-acpi_status
-acpi_os_signal (
- u32 function,
- void *info)
+acpi_status acpi_os_signal(u32 function, void *info)
{
- switch (function)
- {
+ switch (function) {
case ACPI_SIGNAL_FATAL:
printk(KERN_ERR PREFIX "Fatal opcode executed\n");
break;
return AE_OK;
}
+
EXPORT_SYMBOL(acpi_os_signal);
-static int __init
-acpi_os_name_setup(char *str)
+static int __init acpi_os_name_setup(char *str)
{
char *p = acpi_os_name;
- int count = ACPI_MAX_OVERRIDE_LEN-1;
+ int count = ACPI_MAX_OVERRIDE_LEN - 1;
if (!str || !*str)
return 0;
*p = 0;
return 1;
-
+
}
__setup("acpi_os_name=", acpi_os_name_setup);
* empty string disables _OSI
* TBD additional string adds to _OSI
*/
-static int __init
-acpi_osi_setup(char *str)
+static int __init acpi_osi_setup(char *str)
{
if (str == NULL || *str == '\0') {
printk(KERN_INFO PREFIX "_OSI method disabled\n");
acpi_gbl_create_osi_method = FALSE;
- } else
- {
+ } else {
/* TBD */
- printk(KERN_ERR PREFIX "_OSI additional string ignored -- %s\n", str);
+ printk(KERN_ERR PREFIX "_OSI additional string ignored -- %s\n",
+ str);
}
return 1;
__setup("acpi_osi=", acpi_osi_setup);
/* enable serialization to combat AE_ALREADY_EXISTS errors */
-static int __init
-acpi_serialize_setup(char *str)
+static int __init acpi_serialize_setup(char *str)
{
printk(KERN_INFO PREFIX "serialize enabled\n");
* Run-time events on the same GPE this flag is available
* to tell Linux to keep the wake-time GPEs enabled at run-time.
*/
-static int __init
-acpi_wake_gpes_always_on_setup(char *str)
+static int __init acpi_wake_gpes_always_on_setup(char *str)
{
printk(KERN_INFO PREFIX "wake GPEs not disabled\n");
__setup("acpi_wake_gpes_always_on", acpi_wake_gpes_always_on_setup);
-int __init
-acpi_hotkey_setup(char *str)
+int __init acpi_hotkey_setup(char *str)
{
acpi_specific_hotkey_enabled = FALSE;
return 1;
*/
unsigned int max_cstate = ACPI_PROCESSOR_MAX_POWER;
-
EXPORT_SYMBOL(max_cstate);
/*
* that indicates whether we are at interrupt level.
*/
-unsigned long
-acpi_os_acquire_lock (
- acpi_handle handle)
+unsigned long acpi_os_acquire_lock(acpi_handle handle)
{
unsigned long flags;
- spin_lock_irqsave((spinlock_t *)handle, flags);
+ spin_lock_irqsave((spinlock_t *) handle, flags);
return flags;
}
* Release a spinlock. See above.
*/
-void
-acpi_os_release_lock (
- acpi_handle handle,
- unsigned long flags)
+void acpi_os_release_lock(acpi_handle handle, unsigned long flags)
{
- spin_unlock_irqrestore((spinlock_t *)handle, flags);
+ spin_unlock_irqrestore((spinlock_t *) handle, flags);
}
-
#ifndef ACPI_USE_LOCAL_CACHE
/*******************************************************************************
******************************************************************************/
acpi_status
-acpi_os_create_cache (
- char *name,
- u16 size,
- u16 depth,
- acpi_cache_t **cache)
+acpi_os_create_cache(char *name, u16 size, u16 depth, acpi_cache_t ** cache)
{
- *cache = kmem_cache_create (name, size, 0, 0, NULL, NULL);
+ *cache = kmem_cache_create(name, size, 0, 0, NULL, NULL);
return AE_OK;
}
*
******************************************************************************/
-acpi_status
-acpi_os_purge_cache (
- acpi_cache_t *cache)
+acpi_status acpi_os_purge_cache(acpi_cache_t * cache)
{
- (void) kmem_cache_shrink(cache);
- return (AE_OK);
+ (void)kmem_cache_shrink(cache);
+ return (AE_OK);
}
/*******************************************************************************
*
******************************************************************************/
-acpi_status
-acpi_os_delete_cache (
- acpi_cache_t *cache)
+acpi_status acpi_os_delete_cache(acpi_cache_t * cache)
{
- (void)kmem_cache_destroy(cache);
- return (AE_OK);
+ (void)kmem_cache_destroy(cache);
+ return (AE_OK);
}
/*******************************************************************************
*
******************************************************************************/
-acpi_status
-acpi_os_release_object (
- acpi_cache_t *cache,
- void *object)
+acpi_status acpi_os_release_object(acpi_cache_t * cache, void *object)
{
- kmem_cache_free(cache, object);
- return (AE_OK);
+ kmem_cache_free(cache, object);
+ return (AE_OK);
}
/*******************************************************************************
*
******************************************************************************/
-void *
-acpi_os_acquire_object (
- acpi_cache_t *cache)
+void *acpi_os_acquire_object(acpi_cache_t * cache)
{
- void *object = kmem_cache_alloc(cache, GFP_KERNEL);
- WARN_ON(!object);
- return object;
+ void *object = kmem_cache_alloc(cache, GFP_KERNEL);
+ WARN_ON(!object);
+ return object;
}
#endif
-
git.samba.org / sfrench / cifs-2.6.git / blobdiff