Re: [PATCH 1/4] pci: fix device registration for directly attached devices

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Am Freitag, den 10.04.2015, 03:01 +0200 schrieb Sebastian Hesselbarth:
> Commit b8a1bb1dd215770670108fe5b0de0e5e137bf8fd
>  ("pci: defer device registration until after bridge setup")
> removed pci_register_device() from setup_device() to allow
> bridges to be registered before attached sub-devices.
> 
> This breaks normal registration for devices that are not
> connected through a bridge. Fix this by calling pci_register_device()
> for normal devices again.

> Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@xxxxxxxxx>

NACK: This again breaks devices that are connected through a bridge if
the bridge configuration is invalid at startup.

There is already a patch on the list which should fix this problem "pci:
make sure to activate devices on the root bus".
Could you please test this instead?

> ---
> Cc: barebox@xxxxxxxxxxxxxxxxxxx
> Cc: Lucas Stach <dev@xxxxxxxxxx>
> ---
>  drivers/pci/pci.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
> index d6e95c3ec894..c633d138ca66 100644
> --- a/drivers/pci/pci.c
> +++ b/drivers/pci/pci.c
> @@ -344,6 +344,7 @@ unsigned int pci_scan_bus(struct pci_bus *bus)
>  			dev->rom_address = (l == 0xffffffff) ? 0 : l;
>  
>  			setup_device(dev, 6);
> +			pci_register_device(dev);
>  			break;
>  		case PCI_HEADER_TYPE_BRIDGE:
>  			setup_device(dev, 2);



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