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powerpc/fsl-pci: Determine pci_controller based on cfg addr for dts fixup

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Previously we passed in a specifically named struct pci_controller to
determine if we had setup the particular PCI bus.  Now we can search for
the struct so we dont have to depend on the name or the struct being
statically allocated.

Introduced new find_hose_by_cfg_addr() to get back a pci_controller struct
back by searching for it means we can do things like dynamically allocate
them or not have to expose the static structures to all users.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Acked-by: Wolfgang Denk <wd@denx.de>
This commit is contained in:
Kumar Gala 2010-12-17 05:57:25 -06:00
parent 45a68135c1
commit 3a0e3c27a5
4 changed files with 20 additions and 41 deletions
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1
include/pci.h
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@ -511,6 +511,7 @@ extern int pci_hose_write_config_word_via_dword(struct pci_controller *hose,
extern void *pci_map_bar(pci_dev_t pdev, int bar, int flags);
extern void pci_register_hose(struct pci_controller* hose);
extern struct pci_controller* pci_bus_to_hose(int bus);
extern struct pci_controller *find_hose_by_cfg_addr(void *cfg_addr);
extern int pci_hose_scan(struct pci_controller *hose);
extern int pci_hose_scan_bus(struct pci_controller *hose, int bus);