C++ (Cpp) acpi_initialize_subsystem Examples

Example #1

File: bus.c Project: 24hours/linux

void __init acpi_early_init(void)
{
	acpi_status status;

	if (acpi_disabled)
		return;

	printk(KERN_INFO PREFIX "Core revision %08x\n", ACPI_CA_VERSION);

	/* It's safe to verify table checksums during late stage */
	acpi_gbl_verify_table_checksum = TRUE;

	/* enable workarounds, unless strict ACPI spec. compliance */
	if (!acpi_strict)
		acpi_gbl_enable_interpreter_slack = TRUE;

	acpi_gbl_permanent_mmap = 1;

	/*
	 * If the machine falls into the DMI check table,
	 * DSDT will be copied to memory
	 */
	dmi_check_system(dsdt_dmi_table);

	status = acpi_reallocate_root_table();
	if (ACPI_FAILURE(status)) {
		printk(KERN_ERR PREFIX
		       "Unable to reallocate ACPI tables\n");
		goto error0;
	}

	status = acpi_initialize_subsystem();
	if (ACPI_FAILURE(status)) {
		printk(KERN_ERR PREFIX
		       "Unable to initialize the ACPI Interpreter\n");
		goto error0;
	}

	status = acpi_load_tables();
	if (ACPI_FAILURE(status)) {
		printk(KERN_ERR PREFIX
		       "Unable to load the System Description Tables\n");
		goto error0;
	}

#ifdef CONFIG_X86
	if (!acpi_ioapic) {
		/* compatible (0) means level (3) */
		if (!(acpi_sci_flags & ACPI_MADT_TRIGGER_MASK)) {
			acpi_sci_flags &= ~ACPI_MADT_TRIGGER_MASK;
			acpi_sci_flags |= ACPI_MADT_TRIGGER_LEVEL;
		}
		/* Set PIC-mode SCI trigger type */
		acpi_pic_sci_set_trigger(acpi_gbl_FADT.sci_interrupt,
					 (acpi_sci_flags & ACPI_MADT_TRIGGER_MASK) >> 2);
	} else {

Example #2

void __init acpi_early_init(void)
{
	acpi_status status = AE_OK;

	if (acpi_disabled)
		return;

	printk(KERN_INFO PREFIX "Core revision %08x\n", ACPI_CA_VERSION);

	/* enable workarounds, unless strict ACPI spec. compliance */
	if (!acpi_strict)
		acpi_gbl_enable_interpreter_slack = TRUE;

	acpi_gbl_permanent_mmap = 1;

	status = acpi_reallocate_root_table();
	if (ACPI_FAILURE(status)) {
		printk(KERN_ERR PREFIX
		       "Unable to reallocate ACPI tables\n");
		goto error0;
	}

	status = acpi_initialize_subsystem();
	if (ACPI_FAILURE(status)) {
		printk(KERN_ERR PREFIX
		       "Unable to initialize the ACPI Interpreter\n");
		goto error0;
	}

	status = acpi_load_tables();
	if (ACPI_FAILURE(status)) {
		printk(KERN_ERR PREFIX
		       "Unable to load the System Description Tables\n");
		goto error0;
	}

#ifdef CONFIG_X86
	if (!acpi_ioapic) {
		extern u8 acpi_sci_flags;

		/* compatible (0) means level (3) */
		if (!(acpi_sci_flags & ACPI_MADT_TRIGGER_MASK)) {
			acpi_sci_flags &= ~ACPI_MADT_TRIGGER_MASK;
			acpi_sci_flags |= ACPI_MADT_TRIGGER_LEVEL;
		}
		/* Set PIC-mode SCI trigger type */
		acpi_pic_sci_set_trigger(acpi_gbl_FADT.sci_interrupt,
					 (acpi_sci_flags & ACPI_MADT_TRIGGER_MASK) >> 2);
	} else {

Example #3

File: bus.c Project: Antonio-Zhou/Linux-2.6.11

void __init
acpi_early_init (void)
{
	acpi_status		status = AE_OK;
	struct acpi_buffer	buffer = {sizeof(acpi_fadt), &acpi_fadt};

	ACPI_FUNCTION_TRACE("acpi_early_init");

	if (acpi_disabled)
		return_VOID;

	/* enable workarounds, unless strict ACPI spec. compliance */
	if (!acpi_strict)
		acpi_gbl_enable_interpreter_slack = TRUE;

	status = acpi_initialize_subsystem();
	if (ACPI_FAILURE(status)) {
		printk(KERN_ERR PREFIX "Unable to initialize the ACPI Interpreter\n");
		goto error0;
	}

	status = acpi_load_tables();
	if (ACPI_FAILURE(status)) {
		printk(KERN_ERR PREFIX "Unable to load the System Description Tables\n");
		goto error0;
	}

	/*
	 * Get a separate copy of the FADT for use by other drivers.
	 */
	status = acpi_get_table(ACPI_TABLE_FADT, 1, &buffer);
	if (ACPI_FAILURE(status)) {
		printk(KERN_ERR PREFIX "Unable to get the FADT\n");
		goto error0;
	}

#ifdef CONFIG_X86
	if (!acpi_ioapic) {
		extern acpi_interrupt_flags acpi_sci_flags;

		/* compatible (0) means level (3) */
		if (acpi_sci_flags.trigger == 0)
			acpi_sci_flags.trigger = 3;

		/* Set PIC-mode SCI trigger type */
		acpi_pic_sci_set_trigger(acpi_fadt.sci_int, acpi_sci_flags.trigger);
	} else {
		extern int acpi_sci_override_gsi;
		/*
		 * now that acpi_fadt is initialized,
		 * update it with result from INT_SRC_OVR parsing
		 */
		acpi_fadt.sci_int = acpi_sci_override_gsi;
	}
#endif

	status = acpi_enable_subsystem(~(ACPI_NO_HARDWARE_INIT | ACPI_NO_ACPI_ENABLE));
	if (ACPI_FAILURE(status)) {
		printk(KERN_ERR PREFIX "Unable to enable ACPI\n");
		goto error0;
	}

	return_VOID;

error0:
	disable_acpi();
	return_VOID;
}