From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
To: alessandro.zummo@towertech.it
Cc: rtc-linux@googlegroups.com, a.zummo@towertech.it,
linux-kernel@vger.kernel.org
Subject: Re: [rtc-linux] [PATCH] rtc-tx4939: Drop IRQF_SHARED
Date: Tue, 07 Apr 2009 21:42:32 +0900 (JST) [thread overview]
Message-ID: <20090407.214232.07643613.anemo@mba.ocn.ne.jp> (raw)
In-Reply-To: <20090406191053.740229a8@i1501.lan.towertech.it>
On Mon, 6 Apr 2009 19:10:53 +0200, Alessandro Zummo <alessandro.zummo@towertech.it> wrote:
> > IRQF_SHARED should be used with IRQF_DISABLED. This RTC have dedicated
> > irq line so there is no reason to use IRQF_SHARED.
>
> Is that true for every board this rtc is/will be used on?
Yes. This RTC is internal device of TX4939 SoC and its irq line is
hardwired to SoC's interrupt controller. At least TX4939 uses
dedicated irq number for the RTC and I believe all future SoC (if
possible) will follow.
---
Atsushi Nemoto
next prev parent reply other threads:[~2009-04-07 12:42 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-06 16:50 Atsushi Nemoto
2009-04-06 17:10 ` [rtc-linux] " Alessandro Zummo
2009-04-07 12:42 ` Atsushi Nemoto [this message]
2009-04-07 13:16 ` Atsushi Nemoto
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