[PATCH v6 4/8] ARM: Add .init_platform() callback to machine descriptor
Tomasz Figa
tomasz.figa at gmail.com
Sat Jun 22 23:46:41 EST 2013
Hi Kukjin,
On Friday 21 of June 2013 02:35:20 Tomasz Figa wrote:
> Most ARM platforms have parts that should be initialized as early as
> possible, which usually means as soon as memory management (kmalloc,
> ioremap) starts to work,
>
> However, currently there is no appropriate callback in machine_desc
> struct to use for such initialization and platforms tend to stuff things
> up .init_irq() and .init_time() callbacks.
>
> Since all the DT-based platforms are going towards generic IRQ and time
> initialization (using irqchip_init and clocksource_of_init) and current
> code assumes that if custom callbacks are not provided in machine_desc
> then generic ones should be used, this problem has become a bit more
> inconvenient.
>
> This patch tries to solve this issue by introducing new callback called
> .init_platform(), where any custom low level initialization of platform
> can be done safely.
>
> Signed-off-by: Tomasz Figa <tomasz.figa at gmail.com>
> ---
> arch/arm/include/asm/mach/arch.h | 1 +
> arch/arm/kernel/irq.c | 3 +++
> 2 files changed, 4 insertions(+)
Please disregard this patch when applying the series (if that happens).
Best regards,
Tomasz
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