Messages in this thread Patch in this message | | | Subject | [4/4] NUMA-Q: remove last traces of bus number mangling | From | William Lee Irwin III <> | Date | Tue, 12 Nov 2002 04:37:46 -0800 |
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This removes the last vestiges of the bus number mangling and passes the local bus numbers directly to the low-level PCI config cycle routines.
numa.c | 19 ++++++++++--------- 1 files changed, 10 insertions(+), 9 deletions(-)
diff -urpN pci-2.5.47-3/arch/i386/pci/numa.c pci-2.5.47-4/arch/i386/pci/numa.c --- pci-2.5.47-3/arch/i386/pci/numa.c 2002-11-12 03:25:35.000000000 -0800 +++ pci-2.5.47-4/arch/i386/pci/numa.c 2002-11-12 03:32:13.000000000 -0800 @@ -10,8 +10,11 @@ #define BUS2LOCAL(global) (mp_bus_id_to_local[global]) #define QUADLOCAL2BUS(quad,local) (quad_local_to_mp_bus_id[quad][local]) +#define __PCI_CONF1_MQ_ADDRESS(bus, dev, fn, reg) \ + (0x80000000 | (bus << 16) | (dev << 11) | (fn << 8) | (reg & ~3)) + #define PCI_CONF1_MQ_ADDRESS(bus, dev, fn, reg) \ - (0x80000000 | (BUS2LOCAL(bus) << 16) | (dev << 11) | (fn << 8) | (reg & ~3)) + __PCI_CONF1_MQ_ADDRESS(BUS2LOCAL(bus), dev, fn, reg) static int bus2quad(struct pci_bus *bus) { @@ -27,7 +30,7 @@ static int __pci_conf1_mq_read (int seg, spin_lock_irqsave(&pci_config_lock, flags); - outl_quad(PCI_CONF1_MQ_ADDRESS(bus, dev, fn, reg), 0xCF8, seg); + outl_quad(__PCI_CONF1_MQ_ADDRESS(bus, dev, fn, reg), 0xCF8, seg); switch (len) { case 1: @@ -55,7 +58,7 @@ static int __pci_conf1_mq_write (int seg spin_lock_irqsave(&pci_config_lock, flags); - outl_quad(PCI_CONF1_MQ_ADDRESS(bus, dev, fn, reg), 0xCF8, seg); + outl_quad(__PCI_CONF1_MQ_ADDRESS(bus, dev, fn, reg), 0xCF8, seg); switch (len) { case 1: @@ -111,9 +114,9 @@ static void __devinit pci_fixup_i450nx(s pci_read_config_byte(d, reg++, &subb); DBG("i450NX PXB %d: %02x/%02x/%02x\n", pxb, busno, suba, subb); if (busno) - pci_scan_bus(QUADLOCAL2BUS(quad,busno), pci_root_ops, (void *)quad); /* Bus A */ + pci_scan_bus(busno, pci_root_ops, (void *)quad); /* Bus A */ if (suba < subb) - pci_scan_bus(QUADLOCAL2BUS(quad,suba+1), pci_root_ops, (void *)quad); /* Bus B */ + pci_scan_bus(suba+1, pci_root_ops, (void *)quad); /* Bus B */ } pcibios_last_bus = -1; } @@ -134,10 +137,8 @@ static int __init pci_numa_init(void) pci_root_bus = pcibios_scan_root(0); if (clustered_apic_mode && (numnodes > 1)) { for (quad = 1; quad < numnodes; ++quad) { - printk("Scanning PCI bus %d for quad %d\n", - QUADLOCAL2BUS(quad,0), quad); - pci_scan_bus(QUADLOCAL2BUS(quad,0), - pci_root_ops, (void *)quad); + printk("Scanning PCI bus %d for quad %d\n", 0, quad); + pci_scan_bus(0, pci_root_ops, (void *)quad); } } return 0; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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