From: tomasz.figa@gmail.com (Tomasz Figa)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v6 4/8] ARM: Add .init_platform() callback to machine descriptor
Date: Sat, 22 Jun 2013 15:46:41 +0200 [thread overview]
Message-ID: <2503927.uZIubvXWLh@flatron> (raw)
In-Reply-To: <1371774924-9224-5-git-send-email-tomasz.figa@gmail.com>
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@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
next prev parent reply other threads:[~2013-06-22 13:46 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-21 0:35 [PATCH v6 0/8] Initial Device Tree support for S3C64xx Tomasz Figa
2013-06-21 0:35 ` [PATCH v6 1/8] ARM: common: vic: Parse interrupt and resume masks from device tree Tomasz Figa
2013-06-21 0:35 ` [PATCH v6 2/8] ARM: s3c64xx: Bypass legacy initialization when booting with DT Tomasz Figa
2013-06-21 0:35 ` [PATCH v6 3/8] gpio: samsung: Skip legacy GPIO registration if pinctrl-s3c64xx is present Tomasz Figa
2013-06-21 0:35 ` [PATCH v6 4/8] ARM: Add .init_platform() callback to machine descriptor Tomasz Figa
2013-06-21 10:24 ` Marc Zyngier
2013-06-21 11:14 ` Tomasz Figa
2013-06-21 14:12 ` Arnd Bergmann
2013-06-22 10:14 ` Tomasz Figa
2013-06-22 13:46 ` Tomasz Figa [this message]
2013-06-21 0:35 ` [PATCH v6 5/8] ARM: s3c64xx: Add board file for boot using Device Tree Tomasz Figa
2013-06-22 13:44 ` [PATCH v7 " Tomasz Figa
2013-06-21 0:35 ` [PATCH v6 6/8] ARM: dts: Add basic dts include files for Samsung S3C64xx SoCs Tomasz Figa
2013-06-21 0:35 ` [PATCH v6 7/8] ARM: dts: Add dts file for S3C6410-based Mini6410 board Tomasz Figa
2013-06-21 0:35 ` [PATCH v6 8/8] ARM: dts: Add dts file for S3C6410-based SMDK6410 board Tomasz Figa
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