FSL P5020/P5040: DPAA Ethernet issue with the latest Git kernel

[Madalin Bucur (OSS)]

> From: Christian Zigotzky <chzigotzky at xenosoft.de> 
> Sent: Tuesday, July 7, 2020 9:26 PM
> To: Madalin Bucur (OSS) <madalin.bucur at oss.nxp.com>
> Cc: mad skateman <madskateman at gmail.com>; Camelia Alexandra Groza <camelia.groza at nxp.com>;
> linuxppc-dev at ozlabs.org; netdev at vger.kernel.org; R.T.Dickinson <rtd2 at xtra.co.nz>;
> Darren Stevens <darren at stevens-zone.net>
> Subject: Re: FSL P5020/P5040: DPAA Ethernet issue with the latest Git kernel
>
>
> On 7. Jul 2020, at 17:53, Madalin Bucur (OSS) <mailto:madalin.bucur at oss.nxp.com> wrote:
> Was DPAA functional before commit A?
> How about after commit A and before commit B?

> The DPAA Ethernet works from  the kernel 5.6-rc4 [1] till the Git kernel from the
> 11 of June [2]. It doesn’t work since the commit “fix bitmap_parse” [3].

> [1] https://forum.hyperion-entertainment.com/viewtopic.php?p=49936#p49936
> [2] https://forum.hyperion-entertainment.com/viewtopic.php?p=50848#p50848
> [3] https://forum.hyperion-entertainment.com/viewtopic.php?p=50980#p50980

Hi,

can you please try to disable the network manager (see [1]), then boot with
the latest kernel, that does not work, and setup the interfaces manually?

Madalin

[1] https://help.ubuntu.com/community/NetworkManager#Stopping_and_Disabling_NetworkManager