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-rw-r--r--rtc/ds1307.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/rtc/ds1307.c b/rtc/ds1307.c
index 4b6d8ac..3b26a0a 100644
--- a/rtc/ds1307.c
+++ b/rtc/ds1307.c
@@ -52,7 +52,7 @@
# define CFG_I2C_RTC_ADDR 0x68
#endif
-#if CFG_I2C_SPEED > 100000
+#if defined(CONFIG_RTC_DS1307) && (CFG_I2C_SPEED > 100000)
# error The DS1307 is specified only up to 100kHz!
#endif