Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753188AbbKIKIh (ORCPT ); Mon, 9 Nov 2015 05:08:37 -0500 Received: from mail-wi0-f171.google.com ([209.85.212.171]:35791 "EHLO mail-wi0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751211AbbKIKHc (ORCPT ); Mon, 9 Nov 2015 05:07:32 -0500 From: Daniel Lezcano To: daniel.lezcano@linaro.org Cc: ysato@users.sourceforge.jp, tglx@linutronix.de, linux-kernel@vger.kernel.org, uclinux-h8-devel@lists.sourceforge.jp (moderated list:H8/300 ARCHITECTURE) Subject: [PATCH 15/15] clocksource/drivers/h8300_timer16: Remove pointless lock Date: Mon, 9 Nov 2015 11:06:53 +0100 Message-Id: <1447063614-4662-15-git-send-email-daniel.lezcano@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1447063614-4662-1-git-send-email-daniel.lezcano@linaro.org> References: <1447063614-4662-1-git-send-email-daniel.lezcano@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1295 Lines: 42 The lock in the timer16_clocksource_read is not needed, remove it. Signed-off-by: Daniel Lezcano --- drivers/clocksource/h8300_timer16.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/drivers/clocksource/h8300_timer16.c b/drivers/clocksource/h8300_timer16.c index 129dca0..f396605 100644 --- a/drivers/clocksource/h8300_timer16.c +++ b/drivers/clocksource/h8300_timer16.c @@ -30,7 +30,6 @@ struct timer16_priv { unsigned char imfa; unsigned char imiea; unsigned char ovf; - raw_spinlock_t lock; struct clk *clk; }; @@ -75,13 +74,10 @@ static inline struct timer16_priv *cs_to_priv(struct clocksource *cs) static cycle_t timer16_clocksource_read(struct clocksource *cs) { struct timer16_priv *p = cs_to_priv(cs); - unsigned long flags, raw; - unsigned long value; + unsigned long raw, value; - raw_spin_lock_irqsave(&p->lock, flags); value = p->total_cycles; raw = timer16_get_counter(p); - raw_spin_unlock_irqrestore(&p->lock, flags); return value + raw; } -- 1.9.1 -- 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/