linux-kernel - Re: [rtc-linux] [PATCH] rtc-tx4939: Drop IRQF

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Message-Id: <20090407.214232.07643613.anemo@mba.ocn.ne.jp>
Date:	Tue, 07 Apr 2009 21:42:32 +0900 (JST)
From:	Atsushi Nemoto <anemo@....ocn.ne.jp>
To:	alessandro.zummo@...ertech.it
Cc:	rtc-linux@...glegroups.com, a.zummo@...ertech.it,
	linux-kernel@...r.kernel.org
Subject: Re: [rtc-linux] [PATCH] rtc-tx4939: Drop IRQF_SHARED

On Mon, 6 Apr 2009 19:10:53 +0200, Alessandro Zummo <alessandro.zummo@...ertech.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
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