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

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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
This commit is contained in:
Bjorn Helgaas 2012-08-16 16:45:02 -06:00
parent f5725f4d3d
commit 0b79ca2a80
2 changed files with 5 additions and 12 deletions
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10
drivers/parisc/dino.c
View File

@ -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);

7
drivers/parisc/lba_pci.c
View File

@ -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);