Re: [OpenWrt-Devel] Watchdog support for AR531x and potential lockup

2014-10-14 Thread Sergey Ryazanov
2014-10-13 19:48 GMT+04:00 Sergey Korolew d...@bittu.org.ru: Hello ! 1. Watchdog timer always decrement until zero, it cant be stopped at all. SR Yep, same for AR2315+ SoCs. And if interrupt acknowledged by writing SR one to ISR, then the timer starts counting again from 0x and SR

[OpenWrt-Devel] Watchdog support for AR531x and potential lockup

2014-10-13 Thread Sergey Korolew
Hello ! OpenWrt already support watchdog for some Atheros devices (newer ar2315), but still lack support for older ar531x. This topic already opened here: https://lists.openwrt.org/pipermail/openwrt-devel/2008-April/002039.html but without any response from devs. Hope today someone will answer :)

Re: [OpenWrt-Devel] Watchdog support for AR531x and potential lockup

2014-10-13 Thread Sergey Korolew
Hello ! 1. Watchdog timer always decrement until zero, it cant be stopped at all. SR Yep, same for AR2315+ SoCs. And if interrupt acknowledged by writing SR one to ISR, then the timer starts counting again from 0x and SR generates another one interrupt. Not for ar531x, timer does not