[PATCH v2 01/22] apalis-imx8: fix booting caused by missing dm_event
trini at konsulko.com
Sat Jan 14 17:57:20 CET 2023
On Sat, Jan 14, 2023 at 08:27:25AM -0500, Tom Rini wrote:
> On Sat, Jan 14, 2023 at 08:25:19AM -0300, Fabio Estevam wrote:
> > Hi Francesco,
> > On Fri, Jan 13, 2023 at 2:18 PM Francesco Dolcini <francesco at dolcini.it> wrote:
> > >
> > > From: Marcel Ziswiler <marcel.ziswiler at toradex.com>
> > >
> > > Without the DM_EVENT absolutely no output whatsoever and the system does
> > > not boot at all.
> > Why do we need to select CONFIG_EVENT=y in the first place?
> > Oliver on CC reported the same issue for his board, and we have other
> > broken boards too
> > that do not select CONFIG_EVENT=y.
> > Can we have a generic fix for this?
> > Tom, Heinrich?
> Yes, if someone can explain what the problem is, we can correct the
> dependency. I gather most platforms have whatever this problem is
> ignored due to enabling EFI_LOADER.
The more I look at this, the more confused I get. With DEBUG_UART
enabled, where do thing fail without CONFIG_EVENT (and CONFIG_DM_EVENT,
which is then enabled due to "imply DM_EVENT" in arch/arm/Kconfig, under
ARCH_IMX8) ? How about if you turn DM_EVENT back off?
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