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rtc: ds1307: simplify hwmon config 

We don't have to define an extra config symbol, IS_REACHABLE does
what we need. And having this config symbol just to save the few
bytes of hwmon support on non-DS3231 chips isn't worth it IMO
(especially as the symbol is set per default).

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Heiner Kallweit 2017-09-27 22:41:26 +02:00 committed by Alexandre Belloni
parent 26dcc12c00
commit 6b583a64fd
2 changed files with 1 additions and 10 deletions
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9
drivers/rtc/Kconfig
View File

@ -244,15 +244,6 @@ config RTC_DRV_DS1307
This driver can also be built as a module. If so, the module This driver can also be built as a module. If so, the module
will be called rtc-ds1307. will be called rtc-ds1307.
config RTC_DRV_DS1307_HWMON
bool "HWMON support for rtc-ds1307"
depends on RTC_DRV_DS1307 && HWMON
depends on !(RTC_DRV_DS1307=y && HWMON=m)
default y
help
Say Y here if you want to expose temperature sensor data on
rtc-ds1307 (only DS3231)
config RTC_DRV_DS1307_CENTURY config RTC_DRV_DS1307_CENTURY
bool "Century bit support for rtc-ds1307" bool "Century bit support for rtc-ds1307"
depends on RTC_DRV_DS1307 depends on RTC_DRV_DS1307

2
drivers/rtc/rtc-ds1307.c
View File

@ -1042,7 +1042,7 @@ static u8 ds1307_trickle_init(struct ds1307 *ds1307,
/*----------------------------------------------------------------------*/ /*----------------------------------------------------------------------*/
#ifdef CONFIG_RTC_DRV_DS1307_HWMON #if IS_REACHABLE(CONFIG_HWMON)
/* /*
* Temperature sensor support for ds3231 devices. * Temperature sensor support for ds3231 devices.