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    Subject[PATCH -next] rtc: pcf2127: Fix build error without CONFIG_WATCHDOG_CORE
    Date
    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@huawei.com>
    Fixes: bbc597561ce1 ("rtc: pcf2127: add watchdog feature support")
    Signed-off-by: YueHaibing <yuehaibing@huawei.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
    + select WATCHDOG_CORE
    help
    If you say yes here you get support for the NXP PCF2127/29 RTC
    chips with integrated quartz crystal for industrial applications.
    --
    2.7.4

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