From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757467Ab2ASKMq (ORCPT ); Thu, 19 Jan 2012 05:12:46 -0500 Received: from hqemgate03.nvidia.com ([216.228.121.140]:13155 "EHLO hqemgate03.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757423Ab2ASKMm (ORCPT ); Thu, 19 Jan 2012 05:12:42 -0500 X-PGP-Universal: processed; by hqnvupgp08.nvidia.com on Thu, 19 Jan 2012 02:12:42 -0800 From: Venu Byravarasu To: a.zummo@towertech.it, rtc-linux@googlegroups.com, linux-kernel@vger.kernel.org Cc: swarren@nvidia.com, Venu Byravarasu Subject: [PATCH 2/3] rtc: twl: Simplify RTC interrupt clearing Date: Thu, 19 Jan 2012 15:42:28 +0530 Message-Id: <1326967949-8248-3-git-send-email-vbyravarasu@nvidia.com> X-Mailer: git-send-email 1.7.1.1 In-Reply-To: <1326967949-8248-1-git-send-email-vbyravarasu@nvidia.com> References: <1326967949-8248-1-git-send-email-vbyravarasu@nvidia.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Venu Byravarasu For clearing RTC interrupt, programming ALARM bit only is sufficient, as all other bits are any way not affected by writing 0 to them. Hence removed unwanted OR operation. Signed-off-by: Venu Byravarasu --- drivers/rtc/rtc-twl.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/rtc/rtc-twl.c b/drivers/rtc/rtc-twl.c index 61ae1b7..1c85443 100644 --- a/drivers/rtc/rtc-twl.c +++ b/drivers/rtc/rtc-twl.c @@ -376,7 +376,7 @@ static irqreturn_t twl_rtc_interrupt(int irq, void *rtc) else events |= RTC_IRQF | RTC_UF; - res = twl_rtc_write_u8(rd_reg | BIT_RTC_STATUS_REG_ALARM_M, + res = twl_rtc_write_u8(BIT_RTC_STATUS_REG_ALARM_M, REG_RTC_STATUS_REG); if (res) goto out; -- 1.7.1.1