From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/2] ARM: irq: Call irqchit_init if no init_irq function is specified
Date: Thu, 28 Mar 2013 15:36:17 +0000 [thread overview]
Message-ID: <20130328153617.GC3368@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <201303281525.42334.arnd@arndb.de>
On Thu, Mar 28, 2013 at 03:25:42PM +0000, Arnd Bergmann wrote:
> On Thursday 28 March 2013, Russell King - ARM Linux wrote:
> > Better:
> >
> > #ifdef CONFIG_OF
> > if (!machine_desc->init_irq)
> > irqchip_init();
> > else
> > #endif
> > machine_desc->init_irq();
> >
> > which means we don't even get the test if !OF, and if someone mistakenly
> > sets this to NULL for a !OF platform, they get to know about it.
>
> Right. With the new IS_DEFINED() macro, we could even turn this into
>
> if (IS_DEFINED(CONFIG_OF) && !machine_desc->init_irq)
> irqchip_init();
> else
> machine_desc->init_irq();
>
> to the same effect.
Provided irqchip_init() keeps its prototype visible, then yes.
next prev parent reply other threads:[~2013-03-28 15:36 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-28 9:41 [PATCH 0/2] ARM: Remove boilerplate irqchip_init code Maxime Ripard
2013-03-28 9:41 ` [PATCH 1/2] ARM: irq: Call irqchit_init if no init_irq function is specified Maxime Ripard
2013-03-28 14:48 ` Rob Herring
2013-03-28 14:51 ` Russell King - ARM Linux
2013-03-28 15:25 ` Arnd Bergmann
2013-03-28 15:36 ` Russell King - ARM Linux [this message]
2013-03-28 15:49 ` Arnd Bergmann
2013-03-28 18:20 ` Maxime Ripard
2013-03-28 18:40 ` Rob Herring
2013-03-28 19:02 ` Russell King - ARM Linux
2013-03-28 9:41 ` [PATCH 2/2] ARM: remove mach .init_irq for irqchip_init users Maxime Ripard
2013-03-28 12:42 ` Simon Horman
2013-03-28 18:24 ` Maxime Ripard
2013-03-29 3:48 ` Simon Horman
-- strict thread matches above, loose matches on Subject: below --
2013-03-28 20:46 [PATCHv2 0/2] ARM: Remove boilerplate irqchip_init code Maxime Ripard
2013-03-28 20:46 ` [PATCH 1/2] ARM: irq: Call irqchit_init if no init_irq function is specified Maxime Ripard
2013-03-28 22:52 ` Rob Herring
2013-04-02 18:23 ` Olof Johansson
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=20130328153617.GC3368@n2100.arm.linux.org.uk \
--to=linux@arm.linux.org.uk \
--cc=linux-arm-kernel@lists.infradead.org \
/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).