Linux Watchdog driver development
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From: Paul Cercueil <paul@crapouillou.net>
To: Ralf Baechle <ralf@linux-mips.org>,
	Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Wim Van Sebroeck <wim@iguana.be>,
	Guenter Roeck <linux@roeck-us.net>
Cc: devicetree@vger.kernel.org, linux-mips@linux-mips.org,
	linux-kernel@vger.kernel.org, linux-watchdog@vger.kernel.org,
	Paul Cercueil <paul@crapouillou.net>
Subject: [PATCH v2 8/8] MIPS: jz4740: Drop old platform reset code
Date: Sat, 30 Dec 2017 14:51:08 +0100	[thread overview]
Message-ID: <20171230135108.6834-8-paul@crapouillou.net> (raw)
In-Reply-To: <20171230135108.6834-1-paul@crapouillou.net>

This work is now performed by the watchdog driver directly.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
---
 arch/mips/jz4740/reset.c | 31 -------------------------------
 1 file changed, 31 deletions(-)

 v2: No change

diff --git a/arch/mips/jz4740/reset.c b/arch/mips/jz4740/reset.c
index 67780c4b6573..5bf0cf44b55f 100644
--- a/arch/mips/jz4740/reset.c
+++ b/arch/mips/jz4740/reset.c
@@ -12,18 +12,9 @@
  *
  */
 
-#include <linux/clk.h>
-#include <linux/io.h>
-#include <linux/kernel.h>
-#include <linux/pm.h>
-
 #include <asm/reboot.h>
 
-#include <asm/mach-jz4740/base.h>
-#include <asm/mach-jz4740/timer.h>
-
 #include "reset.h"
-#include "clock.h"
 
 static void jz4740_halt(void)
 {
@@ -36,29 +27,7 @@ static void jz4740_halt(void)
 	}
 }
 
-#define JZ_REG_WDT_DATA 0x00
-#define JZ_REG_WDT_COUNTER_ENABLE 0x04
-#define JZ_REG_WDT_COUNTER 0x08
-#define JZ_REG_WDT_CTRL 0x0c
-
-static void jz4740_restart(char *command)
-{
-	void __iomem *wdt_base = ioremap(JZ4740_WDT_BASE_ADDR, 0x0f);
-
-	jz4740_timer_enable_watchdog();
-
-	writeb(0, wdt_base + JZ_REG_WDT_COUNTER_ENABLE);
-
-	writew(0, wdt_base + JZ_REG_WDT_COUNTER);
-	writew(0, wdt_base + JZ_REG_WDT_DATA);
-	writew(BIT(2), wdt_base + JZ_REG_WDT_CTRL);
-
-	writeb(1, wdt_base + JZ_REG_WDT_COUNTER_ENABLE);
-	jz4740_halt();
-}
-
 void jz4740_reset_init(void)
 {
-	_machine_restart = jz4740_restart;
 	_machine_halt = jz4740_halt;
 }
-- 
2.11.0


  parent reply	other threads:[~2017-12-30 13:51 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-28 16:29 [PATCH 0/7] jz4740 watchdog driver & platform cleanups Paul Cercueil
2017-12-28 16:29 ` [PATCH 1/7] watchdog: JZ4740: Disable clock after stopping counter Paul Cercueil
2017-12-28 18:38   ` Guenter Roeck
2017-12-30 13:51   ` [PATCH v2 1/8] " Paul Cercueil
2017-12-30 13:51     ` [PATCH v2 2/8] watchdog: jz4740: Use devm_* functions Paul Cercueil
2017-12-30 16:08       ` Guenter Roeck
2017-12-30 13:51     ` [PATCH v2 3/8] watchdog: JZ4740: Register a restart handler Paul Cercueil
2018-01-20  7:31       ` PrasannaKumar Muralidharan
2018-01-20 15:45         ` Guenter Roeck
2018-01-20 16:04           ` PrasannaKumar Muralidharan
2018-01-20 17:56             ` Guenter Roeck
2017-12-30 13:51     ` [PATCH v2 4/8] watchdog: JZ4740: Drop module remove function Paul Cercueil
2017-12-30 16:08       ` Guenter Roeck
2018-01-20  7:41       ` PrasannaKumar Muralidharan
2018-01-20 15:50         ` Guenter Roeck
2018-01-20 15:59           ` PrasannaKumar Muralidharan
2017-12-30 13:51     ` [PATCH v2 5/8] MIPS: jz4740: dts: Add bindings for the jz4740-wdt driver Paul Cercueil
2018-01-02 16:37       ` PrasannaKumar Muralidharan
2018-01-02 16:48         ` Paul Cercueil
2018-01-03  4:46           ` Guenter Roeck
2018-01-03 12:01             ` Paul Cercueil
2018-01-03 14:28             ` PrasannaKumar Muralidharan
2017-12-30 13:51     ` [PATCH v2 6/8] MIPS: jz4780: dts: Fix watchdog node Paul Cercueil
2018-03-05 18:25       ` James Hogan
2017-12-30 13:51     ` [PATCH v2 7/8] MIPS: qi_lb60: Enable the jz4740-wdt driver Paul Cercueil
2018-03-05 18:28       ` James Hogan
2017-12-30 13:51     ` Paul Cercueil [this message]
2018-03-05 18:31       ` [PATCH v2 8/8] MIPS: jz4740: Drop old platform reset code James Hogan
2017-12-28 16:29 ` [PATCH 2/7] watchdog: jz4740: Use devm_* functions Paul Cercueil
2017-12-28 17:48   ` Guenter Roeck
2017-12-28 19:59     ` Paul Cercueil
2017-12-28 20:19       ` Guenter Roeck
2017-12-28 20:22         ` Paul Cercueil
2017-12-28 21:03           ` Guenter Roeck
2017-12-28 18:40   ` Guenter Roeck
2017-12-28 16:29 ` [PATCH 3/7] watchdog: JZ4740: Register a restart handler Paul Cercueil
2017-12-28 18:40   ` Guenter Roeck
2017-12-28 16:29 ` [PATCH 4/7] MIPS: jz4740: dts: Add bindings for the jz4740-wdt driver Paul Cercueil
2017-12-28 16:29 ` [PATCH 5/7] MIPS: jz4780: dts: Fix watchdog node Paul Cercueil
2017-12-28 17:33   ` Mathieu Malaterre
2017-12-28 16:29 ` [PATCH 6/7] MIPS: qi_lb60: Enable the jz4740-wdt driver Paul Cercueil
2017-12-28 16:29 ` [PATCH 7/7] MIPS: jz4740: Drop old platform reset code Paul Cercueil

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