kernel: allow selecting RTC drivers on targets without explicit RTC support

Keep them disabled by default to avoid pulling in extra kernel bloat

Signed-off-by: Felix Fietkau <nbd@nbd.name>
(cherry picked from commit 5afe9a054cbcb1630a42200f3ac799432522a87d)

diff --git a/package/kernel/linux/modules/other.mk b/package/kernel/linux/modules/other.mk
index 017a94c6229c225262c2db4bf0fe9a46cca41d77..5e31ec28d64157b4aaab3df22dfc0fdcd5f5ce14 100644 (file)
--- a/package/kernel/linux/modules/other.mk
+++ b/package/kernel/linux/modules/other.mk
@@ -469,7 +469,8 @@ $(eval $(call KernelPackage,bcma))
 define KernelPackage/rtc-ds1307
   SUBMENU:=$(OTHER_MENU)
   TITLE:=Dallas/Maxim DS1307 (and compatible) RTC support
-  DEPENDS:=@RTC_SUPPORT +kmod-i2c-core
+  DEFAULT:=m if ALL_KMODS && RTC_SUPPORT
+  DEPENDS:=+kmod-i2c-core
   KCONFIG:=CONFIG_RTC_DRV_DS1307 \
        CONFIG_RTC_CLASS=y
   FILES:=$(LINUX_DIR)/drivers/rtc/rtc-ds1307.ko
@@ -487,7 +488,8 @@ $(eval $(call KernelPackage,rtc-ds1307))
 define KernelPackage/rtc-ds1374
   SUBMENU:=$(OTHER_MENU)
   TITLE:=Dallas/Maxim DS1374 RTC support
-  DEPENDS:=@RTC_SUPPORT +kmod-i2c-core
+  DEFAULT:=m if ALL_KMODS && RTC_SUPPORT
+  DEPENDS:=+kmod-i2c-core
   KCONFIG:=CONFIG_RTC_DRV_DS1374 \
        CONFIG_RTC_DRV_DS1374_WDT=n \
        CONFIG_RTC_CLASS=y
@@ -505,7 +507,8 @@ $(eval $(call KernelPackage,rtc-ds1374))
 define KernelPackage/rtc-ds1672
   SUBMENU:=$(OTHER_MENU)
   TITLE:=Dallas/Maxim DS1672 RTC support
-  DEPENDS:=@RTC_SUPPORT +kmod-i2c-core
+  DEFAULT:=m if ALL_KMODS && RTC_SUPPORT
+  DEPENDS:=+kmod-i2c-core
   KCONFIG:=CONFIG_RTC_DRV_DS1672 \
        CONFIG_RTC_CLASS=y
   FILES:=$(LINUX_DIR)/drivers/rtc/rtc-ds1672.ko
@@ -522,7 +525,8 @@ $(eval $(call KernelPackage,rtc-ds1672))
 define KernelPackage/rtc-isl1208
   SUBMENU:=$(OTHER_MENU)
   TITLE:=Intersil ISL1208 RTC support
-  DEPENDS:=@RTC_SUPPORT +kmod-i2c-core
+  DEFAULT:=m if ALL_KMODS && RTC_SUPPORT
+  DEPENDS:=+kmod-i2c-core
   KCONFIG:=CONFIG_RTC_DRV_ISL1208 \
        CONFIG_RTC_CLASS=y
   FILES:=$(LINUX_DIR)/drivers/rtc/rtc-isl1208.ko
@@ -539,7 +543,8 @@ $(eval $(call KernelPackage,rtc-isl1208))
 define KernelPackage/rtc-pcf8563
   SUBMENU:=$(OTHER_MENU)
   TITLE:=Philips PCF8563/Epson RTC8564 RTC support
-  DEPENDS:=@RTC_SUPPORT +kmod-i2c-core
+  DEFAULT:=m if ALL_KMODS && RTC_SUPPORT
+  DEPENDS:=+kmod-i2c-core
   KCONFIG:=CONFIG_RTC_DRV_PCF8563 \
        CONFIG_RTC_CLASS=y
   FILES:=$(LINUX_DIR)/drivers/rtc/rtc-pcf8563.ko
@@ -557,7 +562,7 @@ $(eval $(call KernelPackage,rtc-pcf8563))
 define KernelPackage/rtc-pcf2123
   SUBMENU:=$(OTHER_MENU)
   TITLE:=Philips PCF2123 RTC support
-  DEPENDS:=@RTC_SUPPORT
+  DEFAULT:=m if ALL_KMODS && RTC_SUPPORT
   KCONFIG:=CONFIG_RTC_DRV_PCF2123 \
        CONFIG_RTC_CLASS=y
   FILES:=$(LINUX_DIR)/drivers/rtc/rtc-pcf2123.ko
@@ -573,7 +578,8 @@ $(eval $(call KernelPackage,rtc-pcf2123))
 define KernelPackage/rtc-pt7c4338
   SUBMENU:=$(OTHER_MENU)
   TITLE:=Pericom PT7C4338 RTC support
-  DEPENDS:=@RTC_SUPPORT +kmod-i2c-core
+  DEFAULT:=m if ALL_KMODS && RTC_SUPPORT
+  DEPENDS:=+kmod-i2c-core
   KCONFIG:=CONFIG_RTC_DRV_PT7C4338 \
        CONFIG_RTC_CLASS=y
   FILES:=$(LINUX_DIR)/drivers/rtc/rtc-pt7c4338.ko
@@ -589,7 +595,8 @@ $(eval $(call KernelPackage,rtc-pt7c4338))
 define KernelPackage/rtc-rs5c372a
   SUBMENU:=$(OTHER_MENU)
   TITLE:=Ricoh R2025S/D, RS5C372A/B, RV5C386, RV5C387A
-  DEPENDS:=@RTC_SUPPORT +kmod-i2c-core
+  DEFAULT:=m if ALL_KMODS && RTC_SUPPORT
+  DEPENDS:=+kmod-i2c-core
   KCONFIG:=CONFIG_RTC_DRV_RS5C372 \
        CONFIG_RTC_CLASS=y
   FILES:=$(LINUX_DIR)/drivers/rtc/rtc-rs5c372.ko

diff --git a/target/Config.in b/target/Config.in
index 9ff7096880141f04ddd0dde98d0c0b92ca30f138..cb876c6af2129df0a2b9e8b2078caa7098b4ceab 100644 (file)
--- a/target/Config.in
+++ b/target/Config.in
@@ -34,7 +34,8 @@ config USB_GADGET_SUPPORT
        bool
 
 config RTC_SUPPORT
-       bool
+       tristate
+       depends on m
 
 config BIG_ENDIAN
        bool