From: Tomasz Figa <tomasz.figa@gmail.com>
To: linux-samsung-soc@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org,
Kukjin Kim <kgene.kim@samsung.com>, Arnd Bergmann <arnd@arndb.de>,
Olof Johansson <olof@lixom.net>, Mark Brown <broonie@kernel.org>,
Rob Herring <rob.herring@calxeda.com>,
Grant Likely <grant.likely@linaro.org>,
Benoit Cousson <benoit.cousson@linaro.org>,
devicetree-discuss@lists.ozlabs.org,
Jason Cooper <jason@lakedaemon.net>,
linux-kernel@vger.kernel.org, Marc Zyngier <marc.zyngier@arm.com>,
Nicolas Pitre <nico@fluxnic.net>,
Russell King <linux@arm.linux.org.uk>,
Stephen Warren <swarren@wwwdotorg.org>,
Thomas Gleixner <tglx@linutronix.de>,
Will Deacon <will.deacon@arm.com>
Subject: Re: [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 3/8] gpio: samsung: Skip legacy GPIO registration if pinctrl-s3c64xx is present Tomasz Figa
[not found] ` <1371774924-9224-1-git-send-email-tomasz.figa-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
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 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
[not found] ` <201306211612.15508.arnd-r2nGTMty4D4@public.gmane.org>
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=2503927.uZIubvXWLh@flatron \
--to=tomasz.figa@gmail.com \
--cc=arnd@arndb.de \
--cc=benoit.cousson@linaro.org \
--cc=broonie@kernel.org \
--cc=devicetree-discuss@lists.ozlabs.org \
--cc=grant.likely@linaro.org \
--cc=jason@lakedaemon.net \
--cc=kgene.kim@samsung.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-samsung-soc@vger.kernel.org \
--cc=linux@arm.linux.org.uk \
--cc=marc.zyngier@arm.com \
--cc=nico@fluxnic.net \
--cc=olof@lixom.net \
--cc=rob.herring@calxeda.com \
--cc=swarren@wwwdotorg.org \
--cc=tglx@linutronix.de \
--cc=will.deacon@arm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).