From patchwork Wed Aug 22 19:50:37 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Timo Kokkonen X-Patchwork-Id: 1363181 Return-Path: X-Original-To: patchwork-linux-omap@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id 61BEE3FC71 for ; Wed, 22 Aug 2012 19:51:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755459Ab2HVTvH (ORCPT ); Wed, 22 Aug 2012 15:51:07 -0400 Received: from mta-out.inet.fi ([195.156.147.13]:49742 "EHLO jenni1.inet.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752170Ab2HVTun (ORCPT ); Wed, 22 Aug 2012 15:50:43 -0400 Received: from itanic.dhcp.inet.fi (80.223.243.31) by jenni1.inet.fi (8.5.140.03) id 502AD34B006BD138; Wed, 22 Aug 2012 22:50:42 +0300 From: Timo Kokkonen To: linux-omap@vger.kernel.org, linux-media@vger.kernel.org Subject: [PATCH 4/8] ir-rx51: Clean up timer initialization code Date: Wed, 22 Aug 2012 22:50:37 +0300 Message-Id: <1345665041-15211-5-git-send-email-timo.t.kokkonen@iki.fi> X-Mailer: git-send-email 1.7.12 In-Reply-To: <1345665041-15211-1-git-send-email-timo.t.kokkonen@iki.fi> References: <1345665041-15211-1-git-send-email-timo.t.kokkonen@iki.fi> Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org Remove a redundant macro definition. This is unneeded and becomes more readable once the actual timer code is refactored a little. Signed-off-by: Timo Kokkonen --- drivers/media/rc/ir-rx51.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) diff --git a/drivers/media/rc/ir-rx51.c b/drivers/media/rc/ir-rx51.c index 468c8a1..3d2911b 100644 --- a/drivers/media/rc/ir-rx51.c +++ b/drivers/media/rc/ir-rx51.c @@ -105,11 +105,9 @@ static int init_timing_params(struct lirc_rx51 *lirc_rx51) return 0; } -#define tics_after(a, b) ((long)(b) - (long)(a) < 0) - static int pulse_timer_set_timeout(struct lirc_rx51 *lirc_rx51, int usec) { - int counter; + int counter, counter_now; BUG_ON(usec < 0); @@ -122,11 +120,8 @@ static int pulse_timer_set_timeout(struct lirc_rx51 *lirc_rx51, int usec) omap_dm_timer_set_match(lirc_rx51->pulse_timer, 1, counter); omap_dm_timer_set_int_enable(lirc_rx51->pulse_timer, OMAP_TIMER_INT_MATCH); - if (tics_after(omap_dm_timer_read_counter(lirc_rx51->pulse_timer), - counter)) { - return 1; - } - return 0; + counter_now = omap_dm_timer_read_counter(lirc_rx51->pulse_timer); + return (counter - counter_now) < 0; } static irqreturn_t lirc_rx51_interrupt_handler(int irq, void *ptr)