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authorTimothy Myers <timothy.myers@adtran.com>2020-07-06 16:33:31 +0000
committerWim Van Sebroeck <wim@linux-watchdog.org>2020-08-05 18:42:54 +0200
commitee86a03a5dc64899edb39fe1ce21429fed98d107 (patch)
tree376db05be16f84669c22b08f93f5fd605cb59332 /drivers/watchdog/booke_wdt.c
parent55a1b87e07fdac9194d8b0c3ded3c4d01e9234ad (diff)
watchdog: booke_wdt: Add common nowayout parameter driver
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@adtran.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> [groeck: Dropped version data, cleaned up subject line] Link: https://lore.kernel.org/r/CH2PR19MB359059AA5C8917D8D24633FF9D690@CH2PR19MB3590.namprd19.prod.outlook.com Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
Diffstat (limited to 'drivers/watchdog/booke_wdt.c')
-rw-r--r--drivers/watchdog/booke_wdt.c6
1 files changed, 5 insertions, 1 deletions
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;