On Thu, 24 Jan 2008 10:23:52 +0900
Nobuhiro Iwamatsu <[EMAIL PROTECTED]> wrote:
> 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 CONIFG_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..3027fc7 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(CONIFG_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 */
> @@ -434,9 +437,10 @@ 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 /* CONIFG_PCI_SKIP_HOST_BRIDGE */
> }
>
> if (PCI_FUNC(dev) && !found_multi)
> @@ -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(CONIFG_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
> + {
without verifying the logic of this patch, I can immediately see an
s/CONIFG/CONFIG/g'd version coming...:)
Kim
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