From 070139778526b0bf2b4c05fecf569de1bad36052 Mon Sep 17 00:00:00 2001 From: Gregory Nutt Date: Sun, 20 Oct 2013 08:24:05 -0600 Subject: [PATCH] SAMA5 WDT: Miss watchdog fixes --- examples/watchdog/watchdog_main.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/examples/watchdog/watchdog_main.c b/examples/watchdog/watchdog_main.c index 53099d21a..38b4fd241 100644 --- a/examples/watchdog/watchdog_main.c +++ b/examples/watchdog/watchdog_main.c @@ -148,7 +148,7 @@ static void parse_args(FAR struct wdog_example_s *wdog, int argc, FAR char **arg long value; int index; int nargs; - + wdog->pingtime = CONFIG_EXAMPLES_WATCHDOG_PINGTIME; wdog->pingdelay = CONFIG_EXAMPLES_WATCHDOG_PINGDELAY; wdog->timeout = CONFIG_EXAMPLES_WATCHDOG_TIMEOUT; @@ -203,7 +203,7 @@ static void parse_args(FAR struct wdog_example_s *wdog, int argc, FAR char **arg case 'h': wdog_help(); exit(EXIT_SUCCESS); - + default: message("Unsupported option: %s\n", ptr); wdog_help(); @@ -341,6 +341,10 @@ int wdog_main(int argc, char *argv[]) ret = ioctl(fd, WDIOC_STOP, 0); if (ret < 0) { + /* NOTE: This may not be an error. Some watchdog hardware does not + * support stopping the watchdog once it has been started. + */ + message("wdog_main: ioctl(WDIOC_STOP) failed: %d\n", errno); goto errout_with_dev; }