X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Frtc%2Frtc-pcf8583.c;h=556d0e7da35bd04dc44df605ca22e77f95793d25;hb=444ad82bc3eaa554be40d22dc248e58aeefd54d9;hp=a33a2d69859c339d3e3a4c11e25087af648b75d0;hpb=0ed8f210e68236f2034f827596f0a8201a907a9f;p=linux-2.6

diff --git a/drivers/rtc/rtc-pcf8583.c b/drivers/rtc/rtc-pcf8583.c
index a33a2d6985..556d0e7da3 100644
--- a/drivers/rtc/rtc-pcf8583.c
+++ b/drivers/rtc/rtc-pcf8583.c
@@ -40,7 +40,7 @@ struct pcf8583 {
 #define CTRL_ALARM	0x02
 #define CTRL_TIMER	0x01
 
-static unsigned short normal_i2c[] = { I2C_CLIENT_END };
+static unsigned short normal_i2c[] = { 0x50, I2C_CLIENT_END };
 
 /* Module parameters */
 I2C_CLIENT_INSMOD;
@@ -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;