On Thu, Jun 24, 2010 at 10:11 PM, Kukjin Kim <kgene.kim@xxxxxxxxxxx> wrote: > Kyungmin Park wrote: >> >> On Thu, Jun 24, 2010 at 7:31 AM, Kukjin Kim <kgene.kim@xxxxxxxxxxx> wrote: >> > From: Jongpill Lee <boyko.lee@xxxxxxxxxxx> >> > >> > This patch adds system define for arch_reset() using Watchdog reset. >> > And adds IO mapping for using WDT. >> >> Are there any reason to use the WDT to system reset? > > Yeah, I already commented about that. > Now Samsung SoC hardware engineer recommends to use the reset of watchdog > instead of software reset by restriction of hardware environment. > >> As original purpose of WDT. doesn't it better to use system reset? > > Original purpose? I think, WDT can be used as software reset. I agree with Kyungmin Park. Ideally WDT shud be used as a way to detect deadlock/starvation. When the bootloader realizes the reset was due to WDT, different course of action should be taken than that for reset due to, say, reboot command. -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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