From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-wi0-f172.google.com ([209.85.212.172]:36274 "EHLO mail-wi0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754996AbbGYGZ0 (ORCPT ); Sat, 25 Jul 2015 02:25:26 -0400 Message-ID: <55B32BCE.5050506@gmail.com> Date: Sat, 25 Jul 2015 08:25:18 +0200 From: Francesco Lavra MIME-Version: 1.0 To: wim@iguana.be, maxime.ripard@free-electrons.com, linux-watchdog@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2] watchdog: sunxi: fix activation of system reset Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: linux-watchdog-owner@vger.kernel.org List-Id: linux-watchdog@vger.kernel.org Commit f2147de33470 ("watchdog: sunxi: support parameterized compatible strings") introduced a regression in sunxi_wdt_start(), by which the system reset function of the watchdog is not enabled upon starting the watchdog. As a result, the system is not reset when the watchdog expires. Fix it. Signed-off-by: Francesco Lavra Reviewed-by: Guenter Roeck Fixes: f2147de33470 ("watchdog: sunxi: support parameterized compatible strings") Cc: stable@vger.kernel.org --- Changes in v2: - Added Reviewed-by, Fixes, and Cc tags - Fixed commit message --- drivers/watchdog/sunxi_wdt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/watchdog/sunxi_wdt.c b/drivers/watchdog/sunxi_wdt.c index a29afb3..47bd8a1 100644 --- a/drivers/watchdog/sunxi_wdt.c +++ b/drivers/watchdog/sunxi_wdt.c @@ -184,7 +184,7 @@ static int sunxi_wdt_start(struct watchdog_device *wdt_dev) /* Set system reset function */ reg = readl(wdt_base + regs->wdt_cfg); reg &= ~(regs->wdt_reset_mask); - reg |= ~(regs->wdt_reset_val); + reg |= regs->wdt_reset_val; writel(reg, wdt_base + regs->wdt_cfg); /* Enable watchdog */ -- 1.9.1