[PATCH v3] powerpc/83xx: don't probe broken PCI on mpc837x_mds boards

Kumar Gala galak at kernel.crashing.org
Tue Oct 7 23:32:32 EST 2008


On Oct 6, 2008, at 12:08 PM, Anton Vorontsov wrote:

> In the standalone setup the board's CPLD disables the PCI internal
> arbiter, thus any access to the PCI bus will hang the board.
>
> The common way to disable particular devices in the device tree is to
> put the "status" property with any value other than "ok" or "okay"
> into the device node we want to disable.
>
> So, when there is no PCI arbiter on the bus the u-boot adds status =
> "broken (no arbiter)" property into the PCI controller's node, and so
> marks the PCI controller as unavailable.
>
> Signed-off-by: Anton Vorontsov <avorontsov at ru.mvista.com>
> ---

applied

- k



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