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Start pci hose scan from hose->current_busno.

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Ensure hose->current_busno is not less than first_busno.  This fixes
broken board code which leaves current_busno=0 when first_busno is
greater than 0 for the cases with multiple controllers.

Signed-off-by: Ed Swarthout <Ed.Swarthout@freescale.com>
This commit is contained in:
Ed Swarthout
2007-07-11 14:51:35 -05:00
committed by Wolfgang Denk
parent 3865b1fb78
commit 40e81addab
1 changed files with 7 additions and 1 deletions
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8
drivers/pci.c
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@@ -490,10 +490,16 @@ int pci_hose_scan_bus(struct pci_controller *hose, int bus)
int pci_hose_scan(struct pci_controller *hose) int pci_hose_scan(struct pci_controller *hose)
{ {
/* Start scan at current_busno.
* PCIe will start scan at first_busno+1.
*/
/* For legacy support, ensure current>=first */
if (hose->first_busno > hose->current_busno)
hose->current_busno = hose->first_busno;
#ifdef CONFIG_PCI_PNP #ifdef CONFIG_PCI_PNP
pciauto_config_init(hose); pciauto_config_init(hose);
#endif #endif
return pci_hose_scan_bus(hose, hose->first_busno); return pci_hose_scan_bus(hose, hose->current_busno);
} }
void pci_init(void) void pci_init(void)