[U-Boot] [PATCH 3/3] efi_loader: Do not enable it by default for sunxi

[Tom Rini <trini@konsulko.com>]

On Fri, Oct 20, 2017 at 06:39:18PM +0200, Maxime Ripard wrote:
> On Fri, Oct 20, 2017 at 08:54:43AM -0400, Tom Rini wrote:
> > > > >> > If it's a false one, then I guess Red Hat doesn't have any kind of
> > > > >> > custom defconfigs for Fedora or RHEL for the kernel?
> > > > >>
> > > > >> kernel is part of the distro, "firmware" (ie. u-boot or whatever
> > > > >> implements UEFI) should not be.. so this argument is a bit of a red
> > > > >> herring.
> > > > >
> > > > > Then that discussion is entirely moot. If the distros don't care about
> > > > > building the U-Boot binary, why should they care about maintaining the
> > > > > U-Boot's defconfig like Peter was suggesting?
> > > > 
> > > > You're taking that and turning it around wrong, we currently have to
> > > > care about building it. Ultimately what we'd like is to not have to
> > > > care. One is the current status quo, the other is future desire!
> > > 
> > > Then we're back to the previous question you didn't answer. If you
> > > have to build it, why can't you have a custom defconfig, or a
> > > configuration fragment like Rob suggested, like you do for the kernel?
> > 
> > Because the goal is that boards ship from the manufacturer with a
> > firmware that's "good enough".  And firmware updates are handled by
> > Someone Else, rather than the distro.
> 
> We're talking about a vendor that ships today a U-Boot build that
> either doesn't have DT support, or doesn't start the kernel in the
> proper execution level which prevents any mainline kernel from
> running.
> 
> Maybe it's just me being too pessimistic about this, but do you really
> expect to see a time where they would ship a bootloader with EFI?

There's actually a relative lot of vendor stuff that's based on "only"
2 or so year old U-Boot, and starts to get things right.  So yes, once
you start to factor in the design->production lag, we will start to see
more and more devices that come out with these features enabled and
either in-use (because it's relevant to the product) or community-used
(because the product can be end-user-used and it's not something that
was turned off).  And we're starting to see more and wider silicon
vendor support coming in and in my experience there's often a lot of "if
the vendor defaults work, just add what we need on top" in custom
designs.  For the kernel and U-Boot both.

-- 
Tom
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