[U-Boot] [PATCH v2 1/1] pci: move pcidelay code to new location just before PCI bus scan

Stefan Roese
2011-10-13T13:03:43Z

On Thursday 13 October 2011 14:50:02 Matthias Fuchs wrote:
> On 12.10.2011 10:44, Anatolij Gustschin wrote:
> > PCI cards might need some time after reset to respond. On some
> > boards (mpc5200 or mpc8260 based) the PCI bus reset is deasserted
> > at pci_init_board() time, so we currently can not use available
> > "pcidelay" option for waiting before PCI bus scan since this
> > waiting takes place before calling pci_init_board(). By moving
> > the pcidelay code to the new location using of the "pcidelay"
> > option is possible on mpc5200 or mpc8260 based boards, too.
> >
> > Since pci_hose_scan() could be called multiple times, restrict
> > the function to wait only during its first call and to ignore
> > pcidelay for any further call (as pointed out by Matthias).
> >
> > Signed-off-by: Anatolij Gustschin <agust@denx.de>
> > Cc: Matthias Fuchs <matthias.fuchs@esd.eu>
> > ---
> >
> > Changes since first version:
> > - extend to wait only during initial pci_hose_scan() call
> >
> > as pointed out by Matthias
>
> Tested on PMC440. Works fine.
>
> Acked-by: Matthias Fuchs <matthias.fuchs@esd.eu>

Thanks. In this case a:

Tested-by: ...

would be even better. :)

Thanks,
Stefan

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