Hi Timur,
> Some drivers have the WDIOF_MAGICCLOSE set, which means that applications
> need to write 'V' to the watchdog device before closing, otherwise the
> driver won't stop the watchdog timer.
>
> Signed-off-by: Timur Tabi <timur@xxxxxxxxxxxxxx>
> ---
> Documentation/watchdog/src/watchdog-test.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/Documentation/watchdog/src/watchdog-test.c b/Documentation/watchdog/src/watchdog-test.c
> index b3cc7aa..c691539 100644
> --- a/Documentation/watchdog/src/watchdog-test.c
> +++ b/Documentation/watchdog/src/watchdog-test.c
> @@ -13,6 +13,7 @@
> #include <linux/watchdog.h>
>
> int fd;
> +const char v = 'V';
>
> /*
> * This function simply sends an IOCTL to the driver, which in turn ticks
> @@ -34,6 +35,7 @@ static void keep_alive(void)
>
> static void term(int sig)
> {
> + write(fd, &v, 1);
> close(fd);
> printf("\nStopping watchdog ticks...\n");
> exit(0);
> @@ -89,6 +91,7 @@ int main(int argc, char *argv[])
> sleep(ping_rate);
> }
> end:
> + write(fd, &v, 1);
> close(fd);
> return 0;
> }
> --
> Qualcomm Innovation Center, Inc.
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project.
>
Patch has been added to linux-watchdog-next.
Kind regards,
Wim.
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