linux-kernel - [PATCH v3 1/8] watchdog: JZ4740: Disable clock after stopping counter

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Message-Id: <20180510184751.13416-1-paul@crapouillou.net>
Date:   Thu, 10 May 2018 20:47:44 +0200
From:   Paul Cercueil <paul@...pouillou.net>
To:     Guenter Roeck <linux@...ck-us.net>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Ralf Baechle <ralf@...ux-mips.org>,
        James Hogan <jhogan@...nel.org>
Cc:     Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Mathieu Malaterre <malat@...ian.org>,
        linux-watchdog@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mips@...ux-mips.org,
        Paul Cercueil <paul@...pouillou.net>
Subject: [PATCH v3 1/8] watchdog: JZ4740: Disable clock after stopping counter

Previously, the clock was disabled first, which makes the watchdog
component insensitive to register writes.

Signed-off-by: Paul Cercueil <paul@...pouillou.net>
Reviewed-by: Guenter Roeck <linux@...ck-us.net>
---
 drivers/watchdog/jz4740_wdt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

 v2: No change
 v3: No change

diff --git a/drivers/watchdog/jz4740_wdt.c b/drivers/watchdog/jz4740_wdt.c
index aafbeb96561b..55c9a1f26498 100644
--- a/drivers/watchdog/jz4740_wdt.c
+++ b/drivers/watchdog/jz4740_wdt.c
@@ -124,8 +124,8 @@ static int jz4740_wdt_stop(struct watchdog_device *wdt_dev)
 {
 	struct jz4740_wdt_drvdata *drvdata = watchdog_get_drvdata(wdt_dev);
 
-	jz4740_timer_disable_watchdog();
 	writeb(0x0, drvdata->base + JZ_REG_WDT_COUNTER_ENABLE);
+	jz4740_timer_disable_watchdog();
 
 	return 0;
 }
-- 
2.11.0