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PCI: Add pci_last_busno() helper

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This is just a handy routine that reports last PCI busno: we walk
down all the hoses and return last hose's last_busno.

Will be used by PCI/PCIe initialization code.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
This commit is contained in:
Anton Vorontsov 2009-02-19 18:20:41 +03:00 • committed by Kim Phillips
parent 741a1ea973
commit cc2a8c7751
2 changed files with 15 additions and 0 deletions
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2
include/pci.h
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@ -535,6 +535,8 @@ extern int pci_hose_config_device(struct pci_controller *hose,
pci_addr_t mem,
unsigned long command);
int pci_last_busno(void);
#ifdef CONFIG_MPC824X
extern void pci_mpc824x_init (struct pci_controller *hose);
#endif