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[POWERPC] 52xx: Remove support for PCI bus_offset
The hose->bus_offset is only used for PCI config cycles and the 52xx PCI config code doesn't actually ever set bus_offset to a non-zero value. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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@ -117,13 +117,13 @@ mpc52xx_pci_read_config(struct pci_bus *bus, unsigned int devfn,
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out_be32(hose->cfg_addr,
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(1 << 31) |
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((bus->number - hose->bus_offset) << 16) |
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(bus->number << 16) |
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(devfn << 8) |
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(offset & 0xfc));
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mb();
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#if defined(CONFIG_PPC_MPC5200_BUGFIX)
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if (bus->number != hose->bus_offset) {
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if (bus->number) {
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/* workaround for the bug 435 of the MPC5200 (L25R);
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* Don't do 32 bits config access during type-1 cycles */
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switch (len) {
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@ -174,13 +174,13 @@ mpc52xx_pci_write_config(struct pci_bus *bus, unsigned int devfn,
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out_be32(hose->cfg_addr,
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(1 << 31) |
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((bus->number - hose->bus_offset) << 16) |
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(bus->number << 16) |
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(devfn << 8) |
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(offset & 0xfc));
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mb();
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#if defined(CONFIG_PPC_MPC5200_BUGFIX)
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if (bus->number != hose->bus_offset) {
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if (bus->number) {
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/* workaround for the bug 435 of the MPC5200 (L25R);
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* Don't do 32 bits config access during type-1 cycles */
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switch (len) {
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@ -394,7 +394,6 @@ mpc52xx_add_bridge(struct device_node *node)
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hose->first_busno = bus_range ? bus_range[0] : 0;
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hose->last_busno = bus_range ? bus_range[1] : 0xff;
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hose->bus_offset = 0;
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hose->ops = &mpc52xx_pci_ops;
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pci_regs = ioremap(rsrc.start, rsrc.end - rsrc.start + 1);
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