linux-kernel - Re: [PATCH -next] rtc: pcf2127: Fix build error without CONFIG_WATCHDOG

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Message-ID: <4b608c55-2541-30cf-ad88-c19a5c0cc84f@huawei.com>
Date:   Mon, 26 Aug 2019 16:12:19 +0800
From:   Yuehaibing <yuehaibing@...wei.com>
To:     Alexandre Belloni <alexandre.belloni@...tlin.com>
CC:     <a.zummo@...ertech.it>, <bruno.thomsen@...il.com>,
        <linux@...ck-us.net>, <linux-rtc@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -next] rtc: pcf2127: Fix build error without
 CONFIG_WATCHDOG_CORE



On 2019/8/23 22:05, Alexandre Belloni wrote:
> On 23/08/2019 20:45:53+0800, YueHaibing wrote:
>> If WATCHDOG_CORE is not set, build fails:
>>
>> drivers/rtc/rtc-pcf2127.o: In function `pcf2127_probe.isra.6':
>> drivers/rtc/rtc-pcf2127.c:478: undefined reference to `devm_watchdog_register_device'
>>
>> Add WATCHDOG_CORE Kconfig dependency to fix this.
>>
>> Reported-by: Hulk Robot <hulkci@...wei.com>
>> Fixes: bbc597561ce1 ("rtc: pcf2127: add watchdog feature support")
>> Signed-off-by: YueHaibing <yuehaibing@...wei.com>
>> ---
>>  drivers/rtc/Kconfig | 2 ++
>>  1 file changed, 2 insertions(+)
>>
>> diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
>> index 25af63d..9dce7dc 100644
>> --- a/drivers/rtc/Kconfig
>> +++ b/drivers/rtc/Kconfig
>> @@ -886,6 +886,8 @@ config RTC_DRV_DS3232_HWMON
>>  config RTC_DRV_PCF2127
>>  	tristate "NXP PCF2127"
>>  	depends on RTC_I2C_AND_SPI
>> +	depends on WATCHDOG
> 
> Definitively not, I fixed it that way:
> +       select WATCHDOG_CORE if WATCHDOG


No, this still fails while WATCHDOG is not set

> 
>