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    SubjectRe: [GIT PULL 1/2] bcm2835-dt-fixes-2017-10-06
    On Wed, Nov 1, 2017 at 12:05 PM, Stefan Wahren <stefan.wahren@i2se.com> wrote:
    > Hi Matt, hi Peter,
    >
    > Am 01.11.2017 um 10:37 schrieb Peter Robinson:
    >> On Tue, Oct 31, 2017 at 5:00 PM, Matt Hart <matt@mattface.org> wrote:
    >>> On 6 October 2017 at 23:14, Florian Fainelli <f.fainelli@gmail.com> wrote:
    >>>> On 10/06/2017 03:05 PM, Eric Anholt wrote:
    >>>>> Hi Florian. Here's a patch that's gone through a couple of revisions
    >>>>> on the list, that seriously fixes up the default serial behavior --
    >>>>> previously, without the right config.txt/cmdline bits, you'd often end
    >>>>> up with a hang with no output before booting completed. It would be
    >>>>> great to get it into 4.14.
    >>>>>
    >>>>> The following changes since commit 2bd6bf03f4c1c59381d62c61d03f6cc3fe71f66e:
    >>>>>
    >>>>> Linux 4.14-rc1 (2017-09-16 15:47:51 -0700)
    >>>>>
    >>>>> are available in the git repository at:
    >>>>>
    >>>>> git://github.com/anholt/linux tags/bcm2835-dt-fixes-2017-10-06
    >>>>>
    >>>>> for you to fetch changes up to f08f58a2bf68900a84e782b8c7ad701c0654173c:
    >>>>>
    >>>>> ARM: dts: bcm283x: Fix console path on RPi3 (2017-10-06 13:04:56 -0700)
    >>>>>
    >>>>> ----------------------------------------------------------------
    >>>>> This pull request brings in a fix for default serial console setup on
    >>>>> RPi3, so it now comes up with no config.txt/cmdline.txt settings in
    >>>>> the firmware.
    >>>>>
    >>>>> ----------------------------------------------------------------
    >>>> Merged, thanks Eric
    >>>>
    >>>> --
    >>>> Florian
    >>> Hi all,
    >>>
    >>> I realise this patch has been in mainline for a more than a week, but
    >>> I've only recently had time to bisect broken rpi-3 boots in kernelci
    >>> and found f08f58a2bf68900a84e782b8c7ad701c0654173c as the cause.
    >>>
    >>> Kernelci boots the rpi3 using uboot, with console=ttyS0 in the command
    >>> line which now fails:
    >>> https://kernelci.org/boot/id/59f787f059b5147794ef1dcf/
    >>>
    >>> Is there an alias I can use for both before and after this patch?
    >>>
    >>> Mainline boots fine if I use console=ttyS1 or drop the console arg
    >>> altogether, but as we don't currently support different boot args per
    >>> tree, and we don't have the manpower to track this patch in all the
    >>> trees we test, we will have to switch to only boot testing mainline
    >>> from now on.
    >> Yes, I've seen the same in Fedora with that patch.
    >>
    >>
    > could you please describe the issue more in detail.
    >
    > Does u-boot or Linux hang? Does u-boot select the wrong UART? Is there a
    > pinmux conflict?

    Basically on the RPi3 you use to get ttyAMA0 and ttyS0 but now the
    later is ttyS1

    > Which u-boot version do you use?

    Upstream

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