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Date: Sun, 18 Mar 2012 22:48:35 -0700
From: Yinghai Lu <yinghai@...nel.org>
To: Jesse Barnes <jbarnes@...tuousgeek.org>, x86 <x86@...nel.org>
Cc: Bjorn Helgaas <bhelgaas@...gle.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
Yinghai Lu <yinghai@...nel.org>
Subject: [PATCH -v2 12/26] PCI: Use for_each_res with pci bar reassign funcs
Replace those open code, and make code more readable.
Signed-off-by: Yinghai Lu <yinghai@...nel.org>
---
drivers/pci/setup-bus.c | 28 ++++++++++++----------------
1 files changed, 12 insertions(+), 16 deletions(-)
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index d9a5500..13548a7 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -106,7 +106,7 @@ static resource_size_t get_res_add_size(struct list_head *head,
list_for_each_entry(dev_res, head, list) {
if (dev_res->res == res) {
- int idx = res - &dev_res->dev->resource[0];
+ int idx = pci_dev_resource_idx(dev_res->dev, res);
dev_printk(KERN_DEBUG, &dev_res->dev->dev,
"res[%d]=%pR get_res_add_size add_size %llx\n",
@@ -124,15 +124,13 @@ static resource_size_t get_res_add_size(struct list_head *head,
static void pdev_sort_resources(struct pci_dev *dev, struct list_head *head)
{
int i;
+ struct resource *r;
- for (i = 0; i < PCI_NUM_RESOURCES; i++) {
- struct resource *r;
+ for_each_pci_dev_all_resource(dev, r, i) {
struct pci_dev_resource *dev_res, *tmp;
resource_size_t r_align;
struct list_head *n;
- r = &dev->resource[i];
-
if (r->flags & IORESOURCE_PCI_FIXED)
continue;
@@ -237,7 +235,7 @@ static void reassign_resources_sorted(struct list_head *realloc_head,
if (!found_match)/* just skip */
continue;
- idx = res - &add_res->dev->resource[0];
+ idx = pci_dev_resource_idx(add_res->dev, res);
add_size = add_res->add_size;
if (!resource_size(res)) {
res->start = add_res->start;
@@ -280,7 +278,7 @@ static void assign_requested_resources_sorted(struct list_head *head,
list_for_each_entry(dev_res, head, list) {
res = dev_res->res;
- idx = res - &dev_res->dev->resource[0];
+ idx = pci_dev_resource_idx(dev_res->dev, res);
if (resource_size(res) &&
pci_assign_resource(dev_res->dev, idx)) {
if (fail_head && !pci_is_root_bus(dev_res->dev->bus)) {
@@ -716,9 +714,9 @@ static void pbus_size_io(struct pci_bus *bus, resource_size_t min_size,
list_for_each_entry(dev, &bus->devices, bus_list) {
int i;
+ struct resource *r;
- for (i = 0; i < PCI_NUM_RESOURCES; i++) {
- struct resource *r = &dev->resource[i];
+ for_each_pci_dev_all_resource(dev, r, i) {
unsigned long r_size;
if (r->parent || !(r->flags & IORESOURCE_IO))
@@ -798,9 +796,9 @@ static int pbus_size_mem(struct pci_bus *bus, unsigned long mask,
list_for_each_entry(dev, &bus->devices, bus_list) {
int i;
+ struct resource *r;
- for (i = 0; i < PCI_NUM_RESOURCES; i++) {
- struct resource *r = &dev->resource[i];
+ for_each_pci_dev_all_resource(dev, r, i) {
resource_size_t r_size;
if (r->parent || (r->flags & mask) != type)
@@ -1140,9 +1138,7 @@ static void pci_bridge_release_resources(struct pci_bus *bus,
IORESOURCE_PREFETCH;
dev = bus->self;
- for (idx = PCI_BRIDGE_RESOURCES; idx <= PCI_BRIDGE_RESOURCE_END;
- idx++) {
- r = &dev->resource[idx];
+ for_each_pci_dev_bridge_resource(dev, r, idx) {
if ((r->flags & type_mask) != type)
continue;
if (!r->parent)
@@ -1313,9 +1309,9 @@ static void __init pci_realloc_detect(void)
for_each_pci_dev(dev) {
int i;
+ struct resource *r;
- for (i = PCI_IOV_RESOURCES; i <= PCI_IOV_RESOURCE_END; i++) {
- struct resource *r = &dev->resource[i];
+ for_each_pci_dev_iov_resource(dev, r, i) {
/* Not assigned, or rejected by kernel ? */
if (r->flags && !r->start) {
--
1.7.7
--
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