On Wed, Jul 01, 2009 at 09:39:25PM +0400, Anton Vorontsov wrote:
> Sometimes (e.g. when there are no UEMs attached to a board)
> fsl_pq_mdio_find_free() fails to find a spare address for a TBI PHY,
> this is because get_phy_id() returns bogus 0x0000ffff values
> (0xffffffff is expected), and therefore mdio bus probing fails with
> the following message:
>
> fsl-pq_mdio: probe of e0082120.mdio failed with error -16
>
> And obviously ethernet doesn't work after this.
>
> This patch solves the problem by adding tbi-phy node into mdio node,
> so that we won't scan for spare addresses, we'll just use a fixed one.
>
> Signed-off-by: Anton Vorontsov <avoront...@ru.mvista.com>
Kumar,
I believe this patch is suitable for 2.6.31, no?
Thanks,
> ---
> arch/powerpc/boot/dts/mpc8569mds.dts | 4 ++++
> 1 files changed, 4 insertions(+), 0 deletions(-)
>
> diff --git a/arch/powerpc/boot/dts/mpc8569mds.dts
> b/arch/powerpc/boot/dts/mpc8569mds.dts
> index 2577f37..baa4ac7 100644
> --- a/arch/powerpc/boot/dts/mpc8569mds.dts
> +++ b/arch/powerpc/boot/dts/mpc8569mds.dts
> @@ -502,6 +502,10 @@
> reg = <0x6>;
> device_type = "ethernet-phy";
> };
> + tbi-...@11 {
> + reg = <0x11>;
> + device_type = "tbi-phy";
> + };
> };
> m...@3520 {
> #address-cells = <1>;
> --
> 1.6.3.3
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--
Anton Vorontsov
email: cbouatmai...@gmail.com
irc://irc.freenode.net/bd2
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