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authorRoy Zang <tie-fei.zang@freescale.com>2007-06-01 16:05:38 +0800
committerKumar Gala <galak@kernel.crashing.org>2007-07-09 23:24:50 -0500
commit749e80810d26c8d522b089718f22bb92d7834a37 (patch)
tree16f5b572fc96e7a3f951b56144b3de7cddc5f042 /arch/powerpc
parent80a7cc6cf1126bc09beee3dded2820bfa18ce347 (diff)
[POWERPC] Remove redundant pci_read_irq_line() function for 85xx platform
Remove redundant pci_read_irq_line() function for 85xx CDS board. This function has been realized in common ppc pci code. Signed-off-by: Roy Zang <tie-fei.zang@freescale.com> Acked-by: Andy Fleming <afleming@freescale.com> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/platforms/85xx/mpc85xx_cds.c76
1 files changed, 34 insertions, 42 deletions
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_cds.c b/arch/powerpc/platforms/85xx/mpc85xx_cds.c
index 2a80c1d0afb..50c8d645836 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_cds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_cds.c
@@ -69,52 +69,44 @@ static int mpc85xx_exclude_device(struct pci_controller *hose,
return PCIBIOS_SUCCESSFUL;
}
-static void __init mpc85xx_cds_pcibios_fixup(void)
+static void __init mpc85xx_cds_pci_irq_fixup(struct pci_dev *dev)
{
- struct pci_dev *dev;
- u_char c;
-
- if ((dev = pci_get_device(PCI_VENDOR_ID_VIA,
- PCI_DEVICE_ID_VIA_82C586_1, NULL))) {
+ u_char c;
+ if (dev->vendor == PCI_VENDOR_ID_VIA) {
+ switch (dev->device) {
+ case PCI_DEVICE_ID_VIA_82C586_1:
+ /*
+ * U-Boot does not set the enable bits
+ * for the IDE device. Force them on here.
+ */
+ pci_read_config_byte(dev, 0x40, &c);
+ c |= 0x03; /* IDE: Chip Enable Bits */
+ pci_write_config_byte(dev, 0x40, c);
+
+ /*
+ * Since only primary interface works, force the
+ * IDE function to standard primary IDE interrupt
+ * w/ 8259 offset
+ */
+ dev->irq = 14;
+ pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq);
+ break;
/*
- * U-Boot does not set the enable bits
- * for the IDE device. Force them on here.
+ * Force legacy USB interrupt routing
*/
- pci_read_config_byte(dev, 0x40, &c);
- c |= 0x03; /* IDE: Chip Enable Bits */
- pci_write_config_byte(dev, 0x40, c);
-
- /*
- * Since only primary interface works, force the
- * IDE function to standard primary IDE interrupt
- * w/ 8259 offset
+ case PCI_DEVICE_ID_VIA_82C586_2:
+ /* There are two USB controllers.
+ * Identify them by functon number
*/
- dev->irq = 14;
- pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq);
- pci_dev_put(dev);
- }
-
- /*
- * Force legacy USB interrupt routing
- */
- if ((dev = pci_get_device(PCI_VENDOR_ID_VIA,
- PCI_DEVICE_ID_VIA_82C586_2, NULL))) {
- dev->irq = 10;
- pci_write_config_byte(dev, PCI_INTERRUPT_LINE, 10);
- pci_dev_put(dev);
- }
-
- if ((dev = pci_get_device(PCI_VENDOR_ID_VIA,
- PCI_DEVICE_ID_VIA_82C586_2, dev))) {
- dev->irq = 11;
- pci_write_config_byte(dev, PCI_INTERRUPT_LINE, 11);
- pci_dev_put(dev);
+ if (PCI_FUNC(dev->devfn))
+ dev->irq = 11;
+ else
+ dev->irq = 10;
+ pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq);
+ default:
+ break;
+ }
}
-
- /* Now map all the PCI irqs */
- dev = NULL;
- for_each_pci_dev(dev)
- pci_read_irq_line(dev);
}
#ifdef CONFIG_PPC_I8259
@@ -229,7 +221,7 @@ static void __init mpc85xx_cds_setup_arch(void)
for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
mpc85xx_add_bridge(np);
- ppc_md.pcibios_fixup = mpc85xx_cds_pcibios_fixup;
+ ppc_md.pci_irq_fixup = mpc85xx_cds_pci_irq_fixup;
ppc_md.pci_exclude_device = mpc85xx_exclude_device;
#endif
}