linux-kernel - Re: [PATCH v4 0/6] Enhance support for the SP805 WDT

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Date:   Wed, 6 Jun 2018 16:40:29 -0700
From:   Ray Jui <ray.jui@...adcom.com>
To:     Florian Fainelli <f.fainelli@...il.com>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Frank Rowand <frowand.list@...il.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Robin Murphy <robin.murphy@....com>
Cc:     linux-watchdog@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        bcm-kernel-feedback-list@...adcom.com
Subject: Re: [PATCH v4 0/6] Enhance support for the SP805 WDT

Hi Florian,

On 6/6/2018 12:29 PM, Florian Fainelli wrote:
> On 05/28/2018 11:01 AM, Ray Jui wrote:
>> This patch series enhances the support for the SP805 watchdog timer.
>> First of all, 'timeout-sec' devicetree property is added. In addition,
>> support is also added to allow the driver to reset the watchdog if it
>> has been detected that watchdot has been started in the bootloader. In
>> this case, the driver will initiate the ping service from the kernel
>> watchdog subsystem, before a user mode daemon takes over. This series
>> also enables SP805 in the default ARM64 defconfig
>>
>> This patch series is based off v4.17-rc5 and is available on GIHUB:
>> repo: https://github.com/Broadcom/arm64-linux.git
>> branch: sp805-wdt-v4
>>
>> Changes since v3:
>>   - Improve description of 'timeout-sec' in the binding document, per
>> recommendation from Guenter Roeck
>>
>> Changes since v2:
>>   - Fix indent and format to make them consistent within arm,sp805.txt
>>
>> Changes since v1:
>>   - Consolidate two duplicated SP805 binding documents into one
>>   - Slight change of the wdt_is_running implementation per discussion
>>
>> Ray Jui (6):
>>    Documentation: DT: Consolidate SP805 binding docs
>>    Documentation: DT: Add optional 'timeout-sec' property for sp805
>>    watchdog: sp805: add 'timeout-sec' DT property support
>>    watchdog: sp805: set WDOG_HW_RUNNING when appropriate
>>    arm64: dt: set initial SR watchdog timeout to 60 seconds
>>    arm64: defconfig: add CONFIG_ARM_SP805_WATCHDOG
> 
> I can take the last two patches and Guenter would take the first 4 or
> would you want to proceed differently?
> 

It looks like we still need to figure out how to proceed based on 
discussions with Rob and Guenter on 1/6?

Thanks,

Ray