Re: [REGRESSION] mainline/master: Apalis iMX6 no longer boots

[Thorsten Leemhuis]

On 7/16/26 18:40, Bjorn Helgaas wrote:
> On Thu, Jul 16, 2026 at 02:15:42AM +0000, Hongxing Zhu (OSS) wrote:
>>> On Mon, Jun 29, 2026 at 11:34:32AM -0300, Leonardo Costa wrote:
>>>> We are seeing a regression on Apalis iMX6 where the kernel
>>>> doesn't boot in the newest v7.2-rc1 (it was working before, in
>>>> v7.1). The device tree being used is the imx6q-apalis-eval.dtb.
>>>> The kernel configuration
>>>> used is the one shown below:
>> ...
> 
>>> Can somebody confirm that reverting 610fa91d9863 fixes this
>>> regression, or at least that 610fa91d9863^ works and 610fa91d9863
>>> fails?
>>
>> Sorry for this severe regression. I have posted a fix that has been
>> tested on my i.MX6Q SabreSD board:
>>
>> https://lore.kernel.org/imx/20260708035928.580236-2-hongxing.zhu@xxxxxxxxxxx/
> 
> My question was whether somebody had actually bisected to 610fa91d9863
> ("PCI: imx6: Assert PERST# before enabling regulators").  I don't see
> anything specific on the mailing list, so I don't know how
> 610fa91d9863 got blamed for the regression.

That was me and might have been a stupid idea. I normally wouldn't have
added this, but a earlier message from Hongxing Zhu sounded a pretty
convincingly like something along the lines of  "this is the problem I
already have a fix for there" -- and then I took the commit-id from there.

Sorry.

Ciao, Thorsten