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Sender: Guenter Roeck <groeck7@gmail.com>
Subject: Re: [PATCH] MIPS: ralink: of: fix build of rt2880_wdt watchdog module
To:     Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>,
        Wim Van Sebroeck <wim@linux-watchdog.org>,
        Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
        Philipp Zabel <p.zabel@pengutronix.de>,
        linux-watchdog@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-mips@vger.kernel.org, John Crispin <john@phrozen.org>
Cc:     Lee Jones <lee.jones@linaro.org>, kernel test robot <lkp@intel.com>
References: <20210514131750.52867-1-krzysztof.kozlowski@canonical.com>
 <2b427eca-fd6c-d099-337f-39cfbd85cb46@roeck-us.net>
 <a15e7f62-12a0-1ec7-5104-f01f9e3eccc7@canonical.com>
 <9d98ec40-757d-28c7-1669-a683b2cd3881@canonical.com>
From:   Guenter Roeck <linux@roeck-us.net>
Message-ID: <b87bbb80-ed02-447d-f778-7997848731cd@roeck-us.net>
Date:   Mon, 5 Jul 2021 09:08:41 -0700
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On 7/5/21 8:15 AM, Krzysztof Kozlowski wrote:
> On 14/05/2021 16:04, Krzysztof Kozlowski wrote:
>> On 14/05/2021 09:48, Guenter Roeck wrote:
>>> On 5/14/21 6:17 AM, Krzysztof Kozlowski wrote:
>>>> When rt2880_wdt watchdog driver is built as a module, the
>>>> rt_sysc_membase needs to be exported (it is being used via inlined
>>>> rt_sysc_r32):
>>>>
>>>>     ERROR: modpost: "rt_sysc_membase" [drivers/watchdog/rt2880_wdt.ko] undefined!
>>>>
>>>> Reported-by: kernel test robot <lkp@intel.com>
>>>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
>>>
>>> Acked-by: Guenter Roeck <linux@roeck-us.net>
>>>
>>> I don't see a recent change in the code. Has that problem been there
>>> all along ?
>>
>> I think the problem was there always but 0-day builder did not hit it
>> until recently:
>> https://lore.kernel.org/lkml/202105082122.yrF7ploN-lkp@intel.com/
> 
> Hi Guenter,
> 
> It seems that patch was not applied. Anything to fix here?
> 
I see commit fef532ea0cd8 ("MIPS: ralink: export rt_sysc_membase for
rt2880_wdt.c"). Does that not solve the problem ?

Guenter