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PCI: replace struct pci_bus secondary/subordinate with busn_res

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Replace the struct pci_bus secondary/subordinate members with the
struct resource busn_res.  Later we'll build a resource tree of these
bus numbers.

[bhelgaas: changelog]
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Yinghai Lu
2012-05-17 18:51:11 -07:00
committed by Bjorn Helgaas
父節點 92f0243093
當前提交 b918c62e08
共有 31 個文件被更改，包括 117 次插入 和 117 次删除
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10
drivers/parisc/dino.c
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@@ -174,7 +174,7 @@ static int dino_cfg_read(struct pci_bus *bus, unsigned int devfn, int where,
int size, u32 *val)
{
struct dino_device *d = DINO_DEV(parisc_walk_tree(bus->bridge));
u32 local_bus = (bus->parent == NULL) ? 0 : bus->secondary;
u32 local_bus = (bus->parent == NULL) ? 0 : bus->busn_res.start;
u32 v = DINO_CFG_TOK(local_bus, devfn, where & ~3);
void __iomem *base_addr = d->hba.base_addr;
unsigned long flags;
@@ -209,7 +209,7 @@ static int dino_cfg_write(struct pci_bus *bus, unsigned int devfn, int where,
int size, u32 val)
{
struct dino_device *d = DINO_DEV(parisc_walk_tree(bus->bridge));
u32 local_bus = (bus->parent == NULL) ? 0 : bus->secondary;
u32 local_bus = (bus->parent == NULL) ? 0 : bus->busn_res.start;
u32 v = DINO_CFG_TOK(local_bus, devfn, where & ~3);
void __iomem *base_addr = d->hba.base_addr;
unsigned long flags;
@@ -554,7 +554,7 @@ dino_fixup_bus(struct pci_bus *bus)
struct dino_device *dino_dev = DINO_DEV(parisc_walk_tree(bus->bridge));
DBG(KERN_WARNING "%s(0x%p) bus %d platform_data 0x%p\n",
__func__, bus, bus->secondary,
__func__, bus, bus->busn_res.start,
bus->bridge->platform_data);
/* Firmware doesn't set up card-mode dino, so we have to */
@@ -998,12 +998,12 @@ static int __init dino_probe(struct parisc_device *dev)
return 0;
}
bus->subordinate = pci_scan_child_bus(bus);
bus->busn_res.end = pci_scan_child_bus(bus);
/* This code *depends* on scanning being single threaded
* if it isn't, this global bus number count will fail
*/
dino_current_bus = bus->subordinate + 1;
dino_current_bus = bus->busn_res.end + 1;
pci_bus_assign_resources(bus);
pci_bus_add_devices(bus);
return 0;

2
drivers/parisc/iosapic.c
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@@ -532,7 +532,7 @@ iosapic_xlate_pin(struct iosapic_info *isi, struct pci_dev *pcidev)
intr_slot = PCI_SLOT(pcidev->devfn);
}
DBG_IRT("iosapic_xlate_pin: bus %d slot %d pin %d\n",
pcidev->bus->secondary, intr_slot, intr_pin);
pcidev->bus->busn_res.start, intr_slot, intr_pin);
return irt_find_irqline(isi, intr_slot, intr_pin);
}

22
drivers/parisc/lba_pci.c
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@@ -189,8 +189,8 @@ lba_dump_res(struct resource *r, int d)
static int lba_device_present(u8 bus, u8 dfn, struct lba_device *d)
{
u8 first_bus = d->hba.hba_bus->secondary;
u8 last_sub_bus = d->hba.hba_bus->subordinate;
u8 first_bus = d->hba.hba_bus->busn_res.start;
u8 last_sub_bus = d->hba.hba_bus->busn_res.end;
if ((bus < first_bus) ||
(bus > last_sub_bus) ||
@@ -364,7 +364,7 @@ lba_rd_cfg(struct lba_device *d, u32 tok, u8 reg, u32 size)
static int elroy_cfg_read(struct pci_bus *bus, unsigned int devfn, int pos, int size, u32 *data)
{
struct lba_device *d = LBA_DEV(parisc_walk_tree(bus->bridge));
u32 local_bus = (bus->parent == NULL) ? 0 : bus->secondary;
u32 local_bus = (bus->parent == NULL) ? 0 : bus->busn_res.start;
u32 tok = LBA_CFG_TOK(local_bus, devfn);
void __iomem *data_reg = d->hba.base_addr + LBA_PCI_CFG_DATA;
@@ -380,7 +380,7 @@ static int elroy_cfg_read(struct pci_bus *bus, unsigned int devfn, int pos, int
return 0;
}
if (LBA_SKIP_PROBE(d) && !lba_device_present(bus->secondary, devfn, d)) {
if (LBA_SKIP_PROBE(d) && !lba_device_present(bus->busn_res.start, devfn, d)) {
DBG_CFG("%s(%x+%2x) -> -1 (b)\n", __func__, tok, pos);
/* either don't want to look or know device isn't present. */
*data = ~0U;
@@ -431,7 +431,7 @@ lba_wr_cfg(struct lba_device *d, u32 tok, u8 reg, u32 data, u32 size)
static int elroy_cfg_write(struct pci_bus *bus, unsigned int devfn, int pos, int size, u32 data)
{
struct lba_device *d = LBA_DEV(parisc_walk_tree(bus->bridge));
u32 local_bus = (bus->parent == NULL) ? 0 : bus->secondary;
u32 local_bus = (bus->parent == NULL) ? 0 : bus->busn_res.start;
u32 tok = LBA_CFG_TOK(local_bus,devfn);
if ((pos > 255) || (devfn > 255))
@@ -444,7 +444,7 @@ static int elroy_cfg_write(struct pci_bus *bus, unsigned int devfn, int pos, int
return 0;
}
if (LBA_SKIP_PROBE(d) && (!lba_device_present(bus->secondary, devfn, d))) {
if (LBA_SKIP_PROBE(d) && (!lba_device_present(bus->busn_res.start, devfn, d))) {
DBG_CFG("%s(%x+%2x) = 0x%x (b)\n", __func__, tok, pos,data);
return 1; /* New Workaround */
}
@@ -481,7 +481,7 @@ static struct pci_ops elroy_cfg_ops = {
static int mercury_cfg_read(struct pci_bus *bus, unsigned int devfn, int pos, int size, u32 *data)
{
struct lba_device *d = LBA_DEV(parisc_walk_tree(bus->bridge));
u32 local_bus = (bus->parent == NULL) ? 0 : bus->secondary;
u32 local_bus = (bus->parent == NULL) ? 0 : bus->busn_res.start;
u32 tok = LBA_CFG_TOK(local_bus, devfn);
void __iomem *data_reg = d->hba.base_addr + LBA_PCI_CFG_DATA;
@@ -514,7 +514,7 @@ static int mercury_cfg_write(struct pci_bus *bus, unsigned int devfn, int pos, i
{
struct lba_device *d = LBA_DEV(parisc_walk_tree(bus->bridge));
void __iomem *data_reg = d->hba.base_addr + LBA_PCI_CFG_DATA;
u32 local_bus = (bus->parent == NULL) ? 0 : bus->secondary;
u32 local_bus = (bus->parent == NULL) ? 0 : bus->busn_res.start;
u32 tok = LBA_CFG_TOK(local_bus,devfn);
if ((pos > 255) || (devfn > 255))
@@ -636,7 +636,7 @@ lba_fixup_bus(struct pci_bus *bus)
struct lba_device *ldev = LBA_DEV(parisc_walk_tree(bus->bridge));
DBG("lba_fixup_bus(0x%p) bus %d platform_data 0x%p\n",
bus, bus->secondary, bus->bridge->platform_data);
bus, (int)bus->busn_res.start, bus->bridge->platform_data);
/*
** Properly Setup MMIO resources for this bus.
@@ -1511,7 +1511,7 @@ lba_driver_probe(struct parisc_device *dev)
return 0;
}
lba_bus->subordinate = pci_scan_child_bus(lba_bus);
lba_bus->busn_res.end = pci_scan_child_bus(lba_bus);
/* This is in lieu of calling pci_assign_unassigned_resources() */
if (is_pdc_pat()) {
@@ -1541,7 +1541,7 @@ lba_driver_probe(struct parisc_device *dev)
lba_dev->flags |= LBA_FLAG_SKIP_PROBE;
}
lba_next_bus = lba_bus->subordinate + 1;
lba_next_bus = lba_res->busn_res.end + 1;
pci_bus_add_devices(lba_bus);
/* Whew! Finally done! Tell services we got this one covered. */