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Commit 4eaf6db3 authored by Bjorn Helgaas's avatar Bjorn Helgaas Committed by Len Brown
Browse files

ACPI: PCI: simplify struct acpi_prt_entry 



Remove unused "irq" field, remove unnecessary struct,
rename "handle" to "link".

Signed-off-by: default avatarBjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent 3604a9f4

drivers/acpi/pci_irq.c

+15 −20
Original line number Diff line number Diff line
@@ -45,11 +45,8 @@ struct acpi_prt_entry { 
	struct list_head	list;

	struct acpi_pci_id	id;

	u8			pin;

	struct {

		acpi_handle		handle;

		u32			index;

	}			link;

	u32			irq;

	acpi_handle		link;

	u32			index;		/* GSI, or link _CRS index */

};



static LIST_HEAD(acpi_prt_list);
@@ -205,6 +202,8 @@ acpi_pci_irq_add_entry(acpi_handle handle, 


	do_prt_fixups(entry, prt);



	entry->index = prt->source_index;



	/*

	 * Type 1: Dynamic

	 * ---------------
@@ -218,10 +217,9 @@ acpi_pci_irq_add_entry(acpi_handle handle, 
	 *       (e.g. exists somewhere 'below' this _PRT entry in the ACPI

	 *       namespace).

	 */

	if (prt->source[0]) {

		acpi_get_handle(handle, prt->source, &entry->link.handle);

		entry->link.index = prt->source_index;

	}

	if (prt->source[0])

		acpi_get_handle(handle, prt->source, &entry->link);



	/*

	 * Type 2: Static

	 * --------------
@@ -229,14 +227,12 @@ acpi_pci_irq_add_entry(acpi_handle handle, 
	 * the IRQ value, which is hardwired to specific interrupt inputs on

	 * the interrupt controller.

	 */

	else

		entry->link.index = prt->source_index;



	ACPI_DEBUG_PRINT_RAW((ACPI_DB_INFO,

			      "      %04x:%02x:%02x[%c] -> %s[%d]\n",

			      entry->id.segment, entry->id.bus,

			      entry->id.device, pin_name(entry->pin),

			      prt->source, entry->link.index));

			      prt->source, entry->index));



	spin_lock(&acpi_prt_lock);

	list_add_tail(&entry->list, &acpi_prt_list);
@@ -310,17 +306,16 @@ acpi_pci_allocate_irq(struct acpi_prt_entry *entry, 
	int irq;





	if (entry->link.handle) {

		irq = acpi_pci_link_allocate_irq(entry->link.handle,

						 entry->link.index, triggering,

						 polarity, link);

	if (entry->link) {

		irq = acpi_pci_link_allocate_irq(entry->link, entry->index,

						 triggering, polarity, link);

		if (irq < 0) {

			printk(KERN_WARNING PREFIX

				      "Invalid IRQ link routing entry\n");

			return -1;

		}

	} else {

		irq = entry->link.index;

		irq = entry->index;

		*triggering = ACPI_LEVEL_SENSITIVE;

		*polarity = ACPI_ACTIVE_LOW;

	}
@@ -334,10 +329,10 @@ acpi_pci_free_irq(struct acpi_prt_entry *entry) 
{

	int irq;



	if (entry->link.handle) {

		irq = acpi_pci_link_free_irq(entry->link.handle);

	if (entry->link) {

		irq = acpi_pci_link_free_irq(entry->link);

	} else {

		irq = entry->link.index;

		irq = entry->index;

	}

	return irq;

}