On 02/09/2014 09:03 PM, Guenter Roeck wrote:
> On 01/31/2014 06:18 AM, Michal Simek wrote:
>> - Remove uneeded headers, fops functions
>> - Use xilinx_wdt prefix in start/stop/keepalive functions
>> and in new structures
>>
>> Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx>
>
> Hi Michal,
>
>> static int xwdt_probe(struct platform_device *pdev)
>> {
>> int rc;
>> @@ -314,7 +184,7 @@ static int xwdt_probe(struct platform_device *pdev)
>> "xlnx,wdt-enable-once", NULL);
>> if (tmptr == NULL) {
>> pr_warn("Parameter \"xlnx,wdt-enable-once\" not found in device tree!\n");
>> - xdev.nowayout = WATCHDOG_NOWAYOUT;
>> + watchdog_set_nowayout(&xilinx_wdt_wdd, true);
>
> Sure you want to set this to always true instead of using WATCHDOG_NOWAYOUT ?
I have checked it and
option CONFIG_WATCHDOG_NOWAYOUT - Disable watchdog shutdown on close
with this part in the header
100 #ifdef CONFIG_WATCHDOG_NOWAYOUT
101 #define WATCHDOG_NOWAYOUT 1
102 #define WATCHDOG_NOWAYOUT_INIT_STATUS (1 << WDOG_NO_WAY_OUT)
103 #else
104 #define WATCHDOG_NOWAYOUT 0
105 #define WATCHDOG_NOWAYOUT_INIT_STATUS 0
106 #endif
enable once is hardware option and it means when this option is setup in
hw you can't stop watchdog. That's why I think that setting up true
instead of WATCHDOG_NOWAYOUT is correct.
Thanks,
Michal
--
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Microblaze cpu - http://www.monstr.eu/fdt/
Maintainer of Linux kernel - Xilinx Zynq ARM architecture
Microblaze U-BOOT custodian and responsible for u-boot arm zynq platform
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