On 05/29/2015 02:11 AM, Fu Wei wrote: [ ... ]
+ + status = sbsa_gwdt_cf_read(SBSA_GWDT_WCS, wdd); + if (status & SBSA_GWDT_WCS_WS1) { + dev_warn(dev, "System reset by WDT(WCS: %x, WCV: %llx)\n", + status, sbsa_gwdt_get_wcv(wdd));Does this message (specifically the WCS / WCV values) have any useful meaning for the user ?I think so, according to SBSA spec: If WS0 is asserted and a timeout refresh occurs then the following must occur: If the system is compliant to SBSA level 2 or higher the compare value must retain its current value. This means that the compare value records the time that WS1 is asserted. So, I think WCV can log the time when system reset by WDT, that may help user figure out the problem. but WCS can be delete I think.
How would that help ? It is just a number with no reference to anything. Thanks, Guenter -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
