[PATCH] imx: mx6cuboxi: Disable CONFIG_IMX_THERMAL

Simon Glass sjg at chromium.org
Thu Oct 29 18:06:21 CET 2020


Hi,

On Thu, 29 Oct 2020 at 10:15, Tom Rini <trini at konsulko.com> wrote:
>
> On Thu, Oct 29, 2020 at 01:11:15PM -0300, Walter Lozano wrote:
> >
> > On 29/10/20 12:19, Tom Rini wrote:
> > > On Thu, Oct 29, 2020 at 07:14:55AM +0200, Baruch Siach wrote:
> > > > Hi Simon,
> > > >
> > > > Adding Walter to Cc.
> > > >
> > > > On Thu, Oct 29 2020, Simon Glass wrote:
> > > > > This feature is incompatble with of-platdata since it uses the
> > > > > U_BOOT_DEVICE() macro. With of-platdata the only devices permitted are
> > > > > those created by dtoc.
> > > > >
> > > > > Drop this option for now, until the driver can be corrected.
> > > > As I understand, of-platdata is only enabled in SPL. Is there a way to
> > > > limit imx_thermal drop to SPL? The thermal driver in not very useful in
> > > > SPL anyway, right?
> >
> > As you pointed of-platdata is intended for TPL/SPL to avoid the overhead of
> > DTB and libraries. If this option is enabled and the driver does not support
> > it, the device won't be created in TPL/SPL but is should on U-Boot. In order
> > to limit the drop to SPL can CONFIG_SPL_BUILD be used?
> >
> > Regarding the usefulness of im_thermal in SPL I can't comment.
> >
> > > Well, sigh, step one is to finish the migration to Kconfig for
> > > IMX_THERMAL as it has a symbol, but it's still set in a ton of board
> > > config files.  We only build thermal in SPL when SPL_THERMAL is set, so
> > > I assume this is about trying to use of-platdata in U-Boot proper too,
> > > to keep / further reduce the size of U-Boot itself to stay within size
> > > limits.
>
> Well, I suspect maybe part of the problem is that since the symbol
> isn't migrated properly, it's not being not built when we don't need it.
> I did the migration and queued up a build, I should have some answers
> later today.

In the meantime I'll send a v2 patch which just disables the driver in SPL.

Regards,
Simon


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