[ARM] head.S change broke platform device registration?

[Marko Katić]

On Fri, Nov 30, 2012 at 1:40 PM, Russell King - ARM Linux
<linux at arm.linux.org.uk> wrote:
> On Fri, Nov 30, 2012 at 01:28:33PM +0100, Marko Katić wrote:
>> On Fri, Nov 30, 2012 at 1:17 PM, Dave Martin <dave.martin at linaro.org> wrote:
>> > This is indeed strange, since there is not much difference to the kernel
>> > if CONFIG_ARM_VIRT_EXT is not set.
>> >
>> > Unless a bug is causing the kernel to trample on some random memory,
>> > there is no reason for this to cause I2C devices to disappear.
>> >
>> > It could be something unrelated, like additional and removal of code
>> > changing the position or alignment of other parts of the kernel image.
>> >
>> > Have you could try undoing parts of the patch to narrow the bug down
>> > further?
>> >
>> > Cheers
>> > ---Dave
>>
>> No, not yet. As i said my knowledge of what goes on in head.S is limited
>> so i'd rather not mess with it.
>
> Well, I think everyone's confused how this change could cause an I2C
> device to vanish.  I've been through this code carefully and I don't
> see anything that would affect an I2C device here.  The code in question
> is not even touching any hardware.
>
> Please post your .config file so we can see how your kernel is configured.