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powerpc/pci: Fix various pseries PCI hotplug issues

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The pseries PCI hotplug code has a number of issues, ranging from
incorrect resource setup to crashes, depending on what is added,
when, whether it contains a bridge, etc etc....

This fixes a whole bunch of these, while actually simplifying the code
a bit, using more generic code in the process and factoring out common
code between adding of a PHB, a slot or a device.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Benjamin Herrenschmidt 2008-10-27 19:48:52 +00:00 • committed by Paul Mackerras
parent b5ae5f911d
commit fd6852c8fa
6 changed files with 151 additions and 180 deletions
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5
arch/powerpc/include/asm/pci.h
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@ -204,15 +204,14 @@ static inline struct resource *pcibios_select_root(struct pci_dev *pdev,
return root;
}
extern void pcibios_setup_new_device(struct pci_dev *dev);
extern void pcibios_claim_one_bus(struct pci_bus *b);
extern void pcibios_allocate_bus_resources(struct pci_bus *bus);
extern void pcibios_finish_adding_to_bus(struct pci_bus *bus);
extern void pcibios_resource_survey(void);
extern struct pci_controller *init_phb_dynamic(struct device_node *dn);
extern int remove_phb_dynamic(struct pci_controller *phb);
extern struct pci_dev *of_create_pci_dev(struct device_node *node,
struct pci_bus *bus, int devfn);