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Subject[2/4] NUMA-Q: fetch quad numbers from struct pci_bus
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Date
This introduces bus2quad() and uses it for bus conversions where it's
possible to do so right away.

numa.c | 11 ++++++++---
1 files changed, 8 insertions(+), 3 deletions(-)


diff -urpN pci-2.5.47-1/arch/i386/pci/numa.c pci-2.5.47-2/arch/i386/pci/numa.c
--- pci-2.5.47-1/arch/i386/pci/numa.c 2002-11-12 03:12:01.000000000 -0800
+++ pci-2.5.47-2/arch/i386/pci/numa.c 2002-11-12 03:22:17.000000000 -0800
@@ -13,6 +13,11 @@
#define PCI_CONF1_MQ_ADDRESS(bus, dev, fn, reg) \
(0x80000000 | (BUS2LOCAL(bus) << 16) | (dev << 11) | (fn << 8) | (reg & ~3))

+static int bus2quad(struct pci_bus *bus)
+{
+ return (int)bus->sysdata;
+}
+
static int __pci_conf1_mq_read (int seg, int bus, int dev, int fn, int reg, int len, u32 *value)
{
unsigned long flags;
@@ -73,13 +78,13 @@ static int __pci_conf1_mq_write (int seg

static int pci_conf1_mq_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *value)
{
- return __pci_conf1_mq_read(0, bus->number, PCI_SLOT(devfn),
+ return __pci_conf1_mq_read(bus2quad(bus), bus->number, PCI_SLOT(devfn),
PCI_FUNC(devfn), where, size, value);
}

static int pci_conf1_mq_write(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 value)
{
- return __pci_conf1_mq_write(0, bus->number, PCI_SLOT(devfn),
+ return __pci_conf1_mq_write(bus2quad(bus), bus->number, PCI_SLOT(devfn),
PCI_FUNC(devfn), where, size, value);
}

@@ -96,7 +101,7 @@ static void __devinit pci_fixup_i450nx(s
*/
int pxb, reg;
u8 busno, suba, subb;
- int quad = BUS2QUAD(d->bus->number);
+ int quad = bus2quad(d->bus);

printk("PCI: Searching for i450NX host bridges on %s\n", d->slot_name);
reg = 0xd0;
-
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