diff options
| author |   Bruno Thomsen <bruno.thomsen@gmail.com> | 2019-08-27 16:36:56 +0200 |
|---|---|---|
| committer |   Alexandre Belloni <alexandre.belloni@bootlin.com> | 2019-08-27 18:24:15 +0200 |
| commit | 28abbba36a5a9f35bfaa75bf8ee0ebf2fe40b9e3 (patch) | |
| tree | bbbb8e4579f523e72e94d0525d55cfdb394b1544 /drivers/rtc | |
| parent | rtc: pcf2127: add tamper detection support (diff) | |
| download | linux-dev-28abbba36a5a9f35bfaa75bf8ee0ebf2fe40b9e3.tar.xz linux-dev-28abbba36a5a9f35bfaa75bf8ee0ebf2fe40b9e3.zip | |
rtc: pcf2127: bugfix: watchdog build dependency
Disable watchdog registation when kernel is build without
watchdog functionality, and enable watchdog core otherwise.
This removes compile errors like the one below:
drivers/rtc/rtc-pcf2127.o: in function `pcf2127_probe.constprop.3':
rtc-pcf2127.c:(.text.unlikely+0x2c8): undefined reference to
`devm_watchdog_register_device'
Watchdog feature in chip will always be configured as
this is safe to do in both cases and minimize code churn.
Reported-by: Hulk Robot <hulkci@huawei.com>
Reported-by: YueHaibing <yuehaibing@huawei.com>
Fixes: bbc597561ce1 ("rtc: pcf2127: add watchdog feature support")
Signed-off-by: Bruno Thomsen <bruno.thomsen@gmail.com>
Link: https://lore.kernel.org/r/20190827143656.4734-1-bruno.thomsen@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/rtc/rtc-pcf2127.c | 2 |
2 files changed, 3 insertions, 0 deletions
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 758f7a417470..da0aceb45095 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -886,6 +886,7 @@ config RTC_DRV_DS3232_HWMON config RTC_DRV_PCF2127 tristate "NXP PCF2127" depends on RTC_I2C_AND_SPI + select WATCHDOG_CORE if WATCHDOG help If you say yes here you get support for the NXP PCF2127/29 RTC chips with integrated quartz crystal for industrial applications. diff --git a/drivers/rtc/rtc-pcf2127.c b/drivers/rtc/rtc-pcf2127.c index 3ec87d320766..02b069caffd5 100644 --- a/drivers/rtc/rtc-pcf2127.c +++ b/drivers/rtc/rtc-pcf2127.c @@ -475,9 +475,11 @@ static int pcf2127_probe(struct device *dev, struct regmap *regmap, return ret; } +#ifdef CONFIG_WATCHDOG ret = devm_watchdog_register_device(dev, &pcf2127->wdd); if (ret) return ret; +#endif /* CONFIG_WATCHDOG */ /* * Disable battery low/switch-over timestamp and interrupts. |