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authorEzequiel Garcia <ezequiel.garcia@free-electrons.com>2014-02-10 20:00:26 -0300
committerJason Cooper <jason@lakedaemon.net>2014-02-22 03:43:36 +0000
commit40edc9813b9bc5d7628b821f1dad7fc87e101066 (patch)
treeb1039e4f5752789370f65d369c116d0ad63021cb /drivers/watchdog
parent868eb61602d9c020fc9e21b42f3ccd301b36b94d (diff)
downloadop-kernel-dev-40edc9813b9bc5d7628b821f1dad7fc87e101066.zip
op-kernel-dev-40edc9813b9bc5d7628b821f1dad7fc87e101066.tar.gz
watchdog: orion: Remove unneeded BRIDGE_CAUSE clear
After adding the IRQ request, the BRIDGE_CAUSE bit should be cleared by the bridge interrupt controller. There's no longer a need to do it in the watchdog driver, so we can simply remove it. Reviewed-by: Guenter Roeck <linux@roeck-us.net> Tested-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Tested-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Acked-by: Wim Van Sebroeck <wim@iguana.be> Tested-By: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Diffstat (limited to 'drivers/watchdog')
-rw-r--r--drivers/watchdog/orion_wdt.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/drivers/watchdog/orion_wdt.c b/drivers/watchdog/orion_wdt.c
index 6061b83..65aa655 100644
--- a/drivers/watchdog/orion_wdt.c
+++ b/drivers/watchdog/orion_wdt.c
@@ -24,7 +24,6 @@
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/of.h>
-#include <mach/bridge-regs.h>
/* RSTOUT mask register physical address for Orion5x, Kirkwood and Dove */
#define ORION_RSTOUT_MASK_OFFSET 0x20108
@@ -42,7 +41,6 @@
#define WDT_MAX_CYCLE_COUNT 0xffffffff
#define WDT_RESET_OUT_EN BIT(1)
-#define WDT_INT_REQ BIT(3)
static bool nowayout = WATCHDOG_NOWAYOUT;
static int heartbeat = -1; /* module parameter (seconds) */
@@ -64,9 +62,6 @@ static int orion_wdt_start(struct watchdog_device *wdt_dev)
/* Set watchdog duration */
writel(wdt_tclk * wdt_dev->timeout, wdt_reg + WDT_VAL);
- /* Clear watchdog timer interrupt */
- writel(~WDT_INT_REQ, BRIDGE_CAUSE);
-
/* Enable watchdog timer */
atomic_io_modify(wdt_reg + TIMER_CTRL, WDT_EN, WDT_EN);
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