MIPS: PCI: Use struct list_head lists

Rather than open-coding a linked list implementation, make use of the
one in linux/list.h.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/14340/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Paul Burton 2016-10-05 18:18:07 +01:00 committed by Ralf Baechle
parent d05c513069
commit 23dac14d05
2 changed files with 6 additions and 6 deletions

View File

@ -17,6 +17,7 @@
*/
#include <linux/ioport.h>
#include <linux/list.h>
#include <linux/of.h>
/*
@ -25,7 +26,7 @@
* single controller supporting multiple channels.
*/
struct pci_controller {
struct pci_controller *next;
struct list_head list;
struct pci_bus *bus;
struct device_node *of_node;

View File

@ -28,8 +28,7 @@
/*
* The PCI controller list.
*/
static struct pci_controller *hose_head, **hose_tail = &hose_head;
static LIST_HEAD(controllers);
unsigned long PCIBIOS_MIN_IO;
unsigned long PCIBIOS_MIN_MEM;
@ -193,8 +192,8 @@ void register_pci_controller(struct pci_controller *hose)
goto out;
}
*hose_tail = hose;
hose_tail = &hose->next;
INIT_LIST_HEAD(&hose->list);
list_add(&hose->list, &controllers);
/*
* Do not panic here but later - this might happen before console init.
@ -248,7 +247,7 @@ static int __init pcibios_init(void)
pcibios_set_cache_line_size();
/* Scan all of the recorded PCI controllers. */
for (hose = hose_head; hose; hose = hose->next)
list_for_each_entry(hose, &controllers, list)
pcibios_scanbus(hose);
pci_fixup_irqs(pci_common_swizzle, pcibios_map_irq);