In current source code, when the device number of PCI is 0, process PCI
bridge without fail. However, when the device number is 0, it is not PCI
always bridge. There are times when device of PCI allocates.
When CONFIG_PCI_SKIP_HOST_BRIDGE is enable, this problem is solved when
use this patch.
Signed-off-by: Nobuhiro Iwamatsu <[EMAIL PROTECTED]>
---
drivers/pci/pci.c | 13 ++++++++++---
1 files changed, 10 insertions(+), 3 deletions(-)
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 50ca6b0..7944b66 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -425,6 +425,9 @@ int pci_hose_scan_bus(struct pci_controller *hose, int bus)
dev < PCI_BDF(bus,PCI_MAX_PCI_DEVICES-1,PCI_MAX_PCI_FUNCTIONS-1);
dev += PCI_BDF(0,0,1))
{
+
+ /* Bus 0 is not necessarily PCI bridge. */
+#if defined(CONFIG_PCI_SKIP_HOST_BRIDGE)
/* Skip our host bridge */
if ( dev == PCI_BDF(hose->first_busno,0,0) ) {
#if defined(CONFIG_PCI_CONFIG_HOST_BRIDGE) /* don't skip host
bridge */
@@ -434,10 +437,11 @@ int pci_hose_scan_bus(struct pci_controller *hose, int
bus)
if (getenv("pciconfighost") == NULL) {
continue; /* Skip our host bridge */
}
-#else
+#else /* CONFIG_PCI_CONFIG_HOST_BRIDGE */
continue; /* Skip our host bridge */
-#endif
+#endif /* CONFIG_PCI_CONFIG_HOST_BRIDGE */
}
+#endif /* CONFIG_PCI_SKIP_HOST_BRIDGE */
if (PCI_FUNC(dev) && !found_multi)
continue;
@@ -473,8 +477,11 @@ int pci_hose_scan_bus(struct pci_controller *hose, int bus)
hose->fixup_irq(hose, dev);
#ifdef CONFIG_PCI_SCAN_SHOW
+#if defined(CONFIG_PCI_SKIP_HOST_BRIDGE)
/* Skip our host bridge */
- if ( dev != PCI_BDF(hose->first_busno,0,0) ) {
+ if ( dev != PCI_BDF(hose->first_busno,0,0) )
+#endif
+ {
unsigned char int_line;
pci_hose_read_config_byte(hose, dev,
PCI_INTERRUPT_LINE,
--
1.5.3.8
--
Nobuhiro Iwamatsu
[EMAIL PROTECTED]
[EMAIL PROTECTED]
GPG ID : 3170EBE9
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