[Smartphones-kernel] ACPI, Was: Finally, linux-2.6-openmoko into the pkg-fso repository

[Luca Capello]

Hi Joachim!

On Thu, 23 Oct 2008 12:19:16 +0200, Joachim Breitner wrote:
> Am Donnerstag, den 23.10.2008, 10:48 +0200 schrieb Luca Capello:
>> FWIW, however, as soon as I'll compile all the drivers as modules, this
>> will add support for ACPI, which I prefer by far.
>
> Is ACPI even available on the arm architecture?

I don't know and I've never thought about it.  It seems that it's not
available in the upstream FSO kernel.

FWIW, Debian provides four Debian kernels for armel [1], precisely for
iop32x, ixp4xx, orion5x and versatile: none of them has any CONFIG_ACPI
option, which I guess means that ACPI is not available for ARM :-(

> And if so, is there a good reason why upstream did not include ACPI?

I clearly remember having read something about APM/ACPI in a post from
an Openmoko guy, but I cannot find it right now.

> I’m wondering if it’s a good idea to diverge with the Debian built
> kernel from the FSO kernel – might make debugging harder, and things
> that work on FSO might not in Debian (and vica versa).

While this is true, however my idea is to have the Debian-compiled
kernel as similar as possible to a stock Debian one [2], which means
that we are obliged to diverge from FSO.

> Maybe at least always have a kernel package ready that is based on the
> FSO code and config?

This is feasible, we just need to choose the package names: something
like linux-image-2.6-openmoko-gta02 and linux-image-2.6-debian-gta02?

However, always to respect the Debian nomenclature [2], we can either
use linux-image-2.6-openmoko [3] or linux-image-2.6-samsung or
linux-image-2.6-s3c (my preferred).  Then, we could go for
linux-image-2.6-s3c-gta02-fso and linux-image-2.6-s3c-gta02-debian.

Thx, bye,
Gismo / Luca

Footnotes: 
[1] http://wiki.debian.org/ArmEabiPort
[2] http://packages.debian.org/search?arch=armel&keywords=linux-image-2.6
[3] which can change in the future depending on the SoC
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