Re: [RFC] arm: Defer lookup of machine_type and vet of atags to setup.c

From: Nicolas Pitre
Date: Mon Jan 10 2011 - 22:19:12 EST


On Mon, 10 Jan 2011, Grant Likely wrote:

> Since the debug macros no longer depend on the machine type
> information, both the machine type lookup and the atags vetting can be
> deferred to setup_arch() in setup.c which simplifies the code
> somewhat.
>
> This patch removes both __machine_type_lookup and __vet_atags() from
> head.S. The atags vetting is moved to setup_arch(). machine_type
> lookup is already called from setup_machine() in addition to where it
> was called from head.S.

While at it, you could also remove the code for __lookup_machine_type,
lookup_machine_type and __error_a, replacing that with a C
implementation living in setup.c instead. If this code is not called
from head.S anymore, there is no reason to keep it there any longer.


Nicolas
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