[PATCH v3 1/1] watchdog: Add common nowayout parameter to booke_wdt driver

From: Timothy Myers
Date: Mon Jul 06 2020 - 12:33:34 EST


Add the common "nowayout" parameter to booke_wdt to make this behavior
selectable at runtime and to make the implementation more consistent with
many other watchdog drivers.

Signed-off-by: Timothy Myers <timothy.myers@xxxxxxxxxx>
Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>

Changes in:
v2:
Added Guenter Roeck's reviewed-by tag at his request
v3:
Fix whitespace formatting in message.
---
drivers/watchdog/booke_wdt.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/watchdog/booke_wdt.c b/drivers/watchdog/booke_wdt.c
index 9d09bbfdef20..7817fb976f9c 100644
--- a/drivers/watchdog/booke_wdt.c
+++ b/drivers/watchdog/booke_wdt.c
@@ -39,6 +39,11 @@ static bool booke_wdt_enabled;
module_param(booke_wdt_enabled, bool, 0);
static int booke_wdt_period = CONFIG_BOOKE_WDT_DEFAULT_TIMEOUT;
module_param(booke_wdt_period, int, 0);
+static bool nowayout = WATCHDOG_NOWAYOUT;
+module_param(nowayout, bool, 0);
+MODULE_PARM_DESC(nowayout,
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");

#ifdef CONFIG_PPC_FSL_BOOK3E

@@ -215,7 +220,6 @@ static void __exit booke_wdt_exit(void)
static int __init booke_wdt_init(void)
{
int ret = 0;
- bool nowayout = WATCHDOG_NOWAYOUT;

pr_info("powerpc book-e watchdog driver loaded\n");
booke_wdt_info.firmware_version = cur_cpu_spec->pvr_value;

base-commit: dd0d718152e4c65b173070d48ea9dfc06894c3e5
--
2.20.1

Timothy Myers
Software Design Engineer

Office: 256.963.8844
Email: timothy.myers@xxxxxxxxxx
Web: www.adtran.com

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