From: Mika Westerberg <mika.westerberg@linux.intel.com>
To: David Cohen <david.a.cohen@intel.com>
Cc: grant.likely@secretlab.ca, linus.walleij@linaro.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] gpio-langwell: fix irq conflicts when DT is not used
Date: Tue, 7 May 2013 10:59:04 +0300 [thread overview]
Message-ID: <20130507075904.GE20562@intel.com> (raw)
In-Reply-To: <1367881863-6025-1-git-send-email-david.a.cohen@intel.com>
On Mon, May 06, 2013 at 04:11:03PM -0700, David Cohen wrote:
> When DT is not used IOAPIC does not register irq domain. As result
> IOAPIC won't care about gpio-langwell's virq and may cause conflict if
> an irq number is equal to gpio-langwell's virq mapped beforehand.
>
> This patch tells gpio_langwell to not ignore irq_base if != 0 and
> preferably use it to avoid the conflict.
>
> If DT is used, irq_base can safely be 0.
>
> Signed-off-by: David Cohen <david.a.cohen@intel.com>
Presuming that you have tested this on Medfield and it still works there.
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
next prev parent reply other threads:[~2013-05-07 7:54 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-06 23:11 [PATCH] gpio-langwell: fix irq conflicts when DT is not used David Cohen
2013-05-07 7:59 ` Mika Westerberg [this message]
2013-05-07 16:34 ` David Cohen
2013-05-15 17:01 ` David Cohen
2013-05-20 18:13 ` Linus Walleij
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