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. > Since we use the WDT reset at other purpose. but if you add the WDT > reset to system reset. > then we can't control it. bootloader check the reset reason then > report something wrong at previous operation. Yeah, I know your needs. If watchdog reset used as software reset, can't distinguish who call watchdog reset. And actually, need to check/debug about abnormal reset status when called watchdog reset. > > So I want to use system reset as original purpose. > Yes, I think so, if can be used SWRESET, will add that functionality. But right now...no. (snip) Thanks. Best regards, Kgene. -- Kukjin Kim <kgene.kim@xxxxxxxxxxx>, Senior Engineer, SW Solution Development Team, Samsung Electronics Co., Ltd. -- 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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