Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755498AbZDGMmh (ORCPT ); Tue, 7 Apr 2009 08:42:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751331AbZDGMm3 (ORCPT ); Tue, 7 Apr 2009 08:42:29 -0400 Received: from mba.ocn.ne.jp ([122.1.235.107]:54666 "EHLO smtp.mba.ocn.ne.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751202AbZDGMm2 (ORCPT ); Tue, 7 Apr 2009 08:42:28 -0400 Date: Tue, 07 Apr 2009 21:42:32 +0900 (JST) Message-Id: <20090407.214232.07643613.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 From: Atsushi Nemoto In-Reply-To: <20090406191053.740229a8@i1501.lan.towertech.it> References: <1239036633-10032-3-git-send-email-anemo@mba.ocn.ne.jp> <20090406191053.740229a8@i1501.lan.towertech.it> X-Fingerprint: 6ACA 1623 39BD 9A94 9B1A B746 CA77 FE94 2874 D52F X-Pgp-Public-Key: http://wwwkeys.pgp.net/pks/lookup?op=get&search=0x2874D52F X-Mailer: Mew version 5.2 on Emacs 21.4 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 772 Lines: 18 On Mon, 6 Apr 2009 19:10:53 +0200, Alessandro Zummo 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/