From: Dmitry Artamonow <[EMAIL PROTECTED]>
Date: Fri, 6 Jul 2007 15:44:16 +0400
> Seems that your patch was not the only related change between -rc4 and -rc5.
> Anyway, X still doesn't work with -rc5 so probably problem is somewhere
> else. I sent you privately strace logs for X with 2.6.22-rc5.
Some more progress, there seems to be code in the X server that
hard-codes the I/O and MEM space sizes based upon the PCI
IDs of the Sun PCI host controller. Barf...
Does it make further progress with the following patch?
diff --git a/arch/sparc64/kernel/pci_common.c b/arch/sparc64/kernel/pci_common.c
index 4249214..f8e5ffd 100644
--- a/arch/sparc64/kernel/pci_common.c
+++ b/arch/sparc64/kernel/pci_common.c
@@ -53,10 +53,6 @@ static int sun4u_read_pci_cfg(struct pci_bus *bus_dev,
unsigned int devfn,
u16 tmp16;
u8 tmp8;
- if (bus_dev == pbm->pci_bus && devfn == 0x00)
- return pci_host_bridge_read_pci_cfg(bus_dev, devfn, where,
- size, value);
-
switch (size) {
case 1:
*value = 0xff;
@@ -108,9 +104,6 @@ static int sun4u_write_pci_cfg(struct pci_bus *bus_dev,
unsigned int devfn,
unsigned char bus = bus_dev->number;
u32 *addr;
- if (bus_dev == pbm->pci_bus && devfn == 0x00)
- return pci_host_bridge_write_pci_cfg(bus_dev, devfn, where,
- size, value);
addr = sun4u_config_mkaddr(pbm, bus, devfn, where);
if (!addr)
return PCIBIOS_SUCCESSFUL;
-
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