diff options
Diffstat (limited to 'drivers/rtc/rtc-pcf8583.c')
| -rw-r--r-- | drivers/rtc/rtc-pcf8583.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/rtc/rtc-pcf8583.c b/drivers/rtc/rtc-pcf8583.c index d48b03374586..556d0e7da35b 100644 --- a/drivers/rtc/rtc-pcf8583.c +++ b/drivers/rtc/rtc-pcf8583.c @@ -332,6 +332,9 @@ static int pcf8583_probe(struct i2c_adapter *adap, int addr, int kind) } }; + if (!i2c_check_functionality(adap, I2C_FUNC_I2C)) + return 0; + pcf = kzalloc(sizeof(*pcf), GFP_KERNEL); if (!pcf) return -ENOMEM; |