diff options
| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2006-11-11 17:24:51 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2006-12-04 16:00:04 +1100 |
| commit | f90bb153b1493719d18b4529a46ebfe43220ea6c (patch) | |
| tree | 0d19d85be3f9603b9b3c5dc16aa45185ce8f9bc1 /arch/powerpc/platforms/pseries/pci.c | |
| parent | 34ba8a5cd0b0d57f7775023e6e3fec473a7291cc (diff) | |
[POWERPC] Make pci_read_irq_line the default
This patch reworks the way IRQs are fixed up on PCI for arch powerpc.
It makes pci_read_irq_line() called by default in the PCI code for
devices that are probed, and add an optional per-device fixup in
ppc_md for platforms that really need to correct what they obtain
from pci_read_irq_line().
It also removes ppc_md.irq_bus_setup which was only used by pSeries
and should not be needed anymore.
I've also removed the pSeries s7a workaround as it can't work with
the current interrupt code anyway. I'm trying to get one of these
machines working so I can test a proper fix for that problem.
I also haven't updated the old-style fixup code from 85xx_cds.c
because it's actually buggy :) It assigns pci_dev->irq hard coded
numbers which is no good with the new IRQ mapping code. It should
at least use irq_create_mapping(NULL, hard_coded_number); and possibly
also set_irq_type() to set them as level low.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/platforms/pseries/pci.c')
| -rw-r--r-- | arch/powerpc/platforms/pseries/pci.c | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/arch/powerpc/platforms/pseries/pci.c b/arch/powerpc/platforms/pseries/pci.c index 410a6bcc4ca..715db5c8990 100644 --- a/arch/powerpc/platforms/pseries/pci.c +++ b/arch/powerpc/platforms/pseries/pci.c @@ -29,8 +29,6 @@ #include <asm/prom.h> #include <asm/ppc-pci.h> -static int __devinitdata s7a_workaround = -1; - #if 0 void pcibios_name_device(struct pci_dev *dev) { @@ -57,39 +55,6 @@ void pcibios_name_device(struct pci_dev *dev) DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, pcibios_name_device); #endif -static void __devinit check_s7a(void) -{ - struct device_node *root; - const char *model; - - s7a_workaround = 0; - root = of_find_node_by_path("/"); - if (root) { - model = get_property(root, "model", NULL); - if (model && !strcmp(model, "IBM,7013-S7A")) - s7a_workaround = 1; - of_node_put(root); - } -} - -void __devinit pSeries_irq_bus_setup(struct pci_bus *bus) -{ - struct pci_dev *dev; - - if (s7a_workaround < 0) - check_s7a(); - list_for_each_entry(dev, &bus->devices, bus_list) { - pci_read_irq_line(dev); - if (s7a_workaround) { - if (dev->irq > 16) { - dev->irq -= 3; - pci_write_config_byte(dev, PCI_INTERRUPT_LINE, - dev->irq); - } - } - } -} - static void __init pSeries_request_regions(void) { if (!isa_io_base) |