[U-Boot] [PATCH] arm: sunxi: do not force USB for arch-sunxi

[Yann E. MORIN <yann.morin.1998@free.fr>]

Hans, All,

On 2016-11-10 20:10 +0100, Hans de Goede spake thusly:
> On 10-11-16 19:00, Yann E. MORIN wrote:
> >Ian, Hans, All,
> >
> >On 2016-10-31 22:33 +0100, Yann E. MORIN spake thusly:
> >>Currently, USB is forced-enabled for the sunxi familly, and there is no
> >>way to disable it.
> >>
> >>However, USB takes a long time to initiliase, delaying the boot by up to
> >>5 seconds (without any USB device attached!). This is a very long delay,
> >>especially in cases where USB booting is not wanted at all, and where
> >>the device is expected to boot relatively often (even in production).
> >>
> >>Change the way the dependencies are handled, by only forcibly selecting
> >>USB when CONFIG_DISTRO_DEFAULTS ("defaults suitable for booting general
> >>purpose Linux distributions") is set. This option defaults to y for the
> >>sunxi familly, so the current default behaviour is kept unchanged. Users
> >>interested in boot time and/or size will be able to disable this to
> >>further disable USB.
> >>
> >>With USB disabled, the time spent in U-Boot before handing control to
> >>the Linux kernel is about 1s now, down from ~5s (Nanopi Neo, sunxi H3).
> >
> >Just a gentle ping... ;-)
> 
> 10 days is a bit short in between ping times for a volunteer maintained
> subsys :)

Sorry, I'm just new on the U-Boot list, so I'm not sure what the usual
round-trip is. ;-)

> Anyways I've this on my todo and hopefully will get around
> to it soonish.

Thanks! You'll get a beer next time we meet for ELC-E.

(What? Bribery does not help? Ohh.. ;-) )

Regards,
Yann E. MORIN.

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