watchdog: cadence_wdt: Enable access to module parameters

Give read access to module parameters to all and write access to root.
This change also improves driver error path testing.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>

diff --git a/drivers/watchdog/cadence_wdt.c b/drivers/watchdog/cadence_wdt.c
index 70e70fcb96a18a16e8c6e29bb5260d34fa0713b2..9acd71702baff27099e39bc5032a1579d2b2bbc6 100644 (file)
--- a/drivers/watchdog/cadence_wdt.c
+++ b/drivers/watchdog/cadence_wdt.c
@@ -52,10 +52,10 @@
 static unsigned int wdt_timeout;
 static int nowayout = WATCHDOG_NOWAYOUT;
 
-module_param(wdt_timeout, int, 0);
+module_param(wdt_timeout, int, 0644);
 MODULE_PARM_DESC(wdt_timeout, "initial watchdog timeout (in seconds)");
 
-module_param(nowayout, int, 0);
+module_param(nowayout, int, 0644);
 MODULE_PARM_DESC(nowayout,
                 "Watchdog cannot be stopped once started (default="
                 __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");