This is now supported, enable for Loongson-3 systems.
Other systems are unaffected.

Signed-off-by: WANG Xuerui <redacted>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: Tiezhu Yang <yangtiezhu@loongson.cn>
Cc: Youling Tang <redacted>
Cc: Qing Zhang <redacted>
Cc: linux-mips@vger.kernel.org
---
 arch/mips/configs/loongson3_defconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/mips/configs/loongson3_defconfig b/arch/mips/configs/loongson3_defconfig
index f02101ff04b3..fccb6906d4b4 100644
--- a/arch/mips/configs/loongson3_defconfig
+++ b/arch/mips/configs/loongson3_defconfig

@@ -320,6 +320,7 @@ CONFIG_USB_SERIAL_OPTION=m
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_CMOS=y
 CONFIG_RTC_DRV_GOLDFISH=y
+CONFIG_RTC_DRV_LS2X=y
 CONFIG_DMADEVICES=y
 CONFIG_VIRTIO_PCI=y
 CONFIG_VIRTIO_BALLOON=m

-- 
2.33.0