parisc/PCI: Use list_for_each_entry() for bus->devices traversal

Replace list_for_each() + pci_dev_b() with the simpler
list_for_each_entry().

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Yinghai Lu <yinghai@kernel.org>
CC: linux-parisc@vger.kernel.org

2 files changed, 5 insertions, 12 deletions

diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c
index ffddc4f64268..fb6a1fe21b93 100644
--- a/drivers/parisc/dino.c
+++ b/drivers/parisc/dino.c
@@ -477,14 +477,12 @@ dino_card_setup(struct pci_bus *bus, void __iomem *base_addr)
         if (ccio_allocate_resource(dino_dev->hba.dev, res, _8MB,
                                 F_EXTEND(0xf0000000UL) | _8MB,
                                 F_EXTEND(0xffffffffUL) &~ _8MB, _8MB) < 0) {
-                struct list_head *ln, *tmp_ln;
+                struct pci_dev *dev, *tmp;
 
                 printk(KERN_ERR "Dino: cannot attach bus %s\n",
                        dev_name(bus->bridge));
                 /* kill the bus, we can't do anything with it */
-                list_for_each_safe(ln, tmp_ln, &bus->devices) {
-                        struct pci_dev *dev = pci_dev_b(ln);
-
+                list_for_each_entry_safe(dev, tmp, &bus->devices, bus_list) {
                         list_del(&dev->bus_list);
                 }
                         
@@ -549,7 +547,6 @@ dino_card_fixup(struct pci_dev *dev)
 static void __init
 dino_fixup_bus(struct pci_bus *bus)
 {
-        struct list_head *ln;
         struct pci_dev *dev;
         struct dino_device *dino_dev = DINO_DEV(parisc_walk_tree(bus->bridge));
 
@@ -596,8 +593,7 @@ dino_fixup_bus(struct pci_bus *bus)
         }
 
 
-        list_for_each(ln, &bus->devices) {
-                dev = pci_dev_b(ln);
+        list_for_each_entry(dev, &bus->devices, bus_list) {
                 if (is_card_dino(&dino_dev->hba.dev->id))
                         dino_card_fixup(dev);
 
diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c
index 4ce57c92e559..fdd63a6a62d6 100644
--- a/drivers/parisc/lba_pci.c
+++ b/drivers/parisc/lba_pci.c
@@ -629,7 +629,6 @@ truncate_pat_collision(struct resource *root, struct resource *new)
 static void
 lba_fixup_bus(struct pci_bus *bus)
 {
-        struct list_head *ln;
         struct pci_dev *dev;
 #ifdef FBB_SUPPORT
         u16 status;
@@ -711,10 +710,9 @@ lba_fixup_bus(struct pci_bus *bus)
 
         }
 
-        list_for_each(ln, &bus->devices) {
+        list_for_each_entry(dev, &bus->devices, bus_list) {
                 int i;
 
-                dev = pci_dev_b(ln);
                 DBG("lba_fixup_bus() %s\n", pci_name(dev));
 
                 /* Virtualize Device/Bridge Resources. */
@@ -771,8 +769,7 @@ lba_fixup_bus(struct pci_bus *bus)
         }
 
         /* Lastly enable FBB/PERR/SERR on all devices too */
-        list_for_each(ln, &bus->devices) {
-                dev = pci_dev_b(ln);
+        list_for_each_entry(dev, &bus->devices, bus_list) {
                 (void) pci_read_config_word(dev, PCI_COMMAND, &status);
                 status |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR | fbb_enable;
                 (void) pci_write_config_word(dev, PCI_COMMAND, status);