[PATCH 01/11] ARM: integrator: use new init_early for clock tree init

[robherring2@gmail.com (Rob Herring)]

Russell,

On 01/27/2011 07:46 AM, Russell King - ARM Linux wrote:
> Initialize the clock tree early.
>
> Signed-off-by: Russell King<rmk+kernel@arm.linux.org.uk>
> ---
>   arch/arm/mach-integrator/common.h        |    1 +
>   arch/arm/mach-integrator/core.c          |    7 +++++--
>   arch/arm/mach-integrator/integrator_ap.c |    3 ++-
>   arch/arm/mach-integrator/integrator_cp.c |   11 +++++++++--
>   4 files changed, 17 insertions(+), 5 deletions(-)
>
> diff --git a/arch/arm/mach-integrator/common.h b/arch/arm/mach-integrator/common.h
> index 5f96e15..a08f9b0 100644
> --- a/arch/arm/mach-integrator/common.h
> +++ b/arch/arm/mach-integrator/common.h
> @@ -1 +1,2 @@
> +void integrator_init_early(void);
>   void integrator_reserve(void);
> diff --git a/arch/arm/mach-integrator/core.c b/arch/arm/mach-integrator/core.c
> index b8e884b..77315b9 100644
> --- a/arch/arm/mach-integrator/core.c
> +++ b/arch/arm/mach-integrator/core.c
> @@ -144,12 +144,15 @@ static struct clk_lookup lookups[] = {
>   	}
>   };
>
> +void __init integrator_init_early(void)
> +{
> +	clkdev_add_table(lookups, ARRAY_SIZE(lookups));
> +}
> +

One potential issue with init_early is kmalloc is not up yet. So moving 
clock init here will be an issue when/if clocks are converted to device 
tree or if any platforms do dynamic allocations for their clock tree.

Rob