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authorAlex Elder <aelder@sgi.com>2010-08-02 11:24:57 -0400
committerAlex Elder <aelder@sgi.com>2010-08-02 11:24:57 -0400
commit6b0a2996a0c023d84bc27ec7528a6e54cb5ea264 (patch)
tree9fa9a85d5d871b3cb3c28daf57d8ef8f05becd66 /drivers/rtc
parent209fb87a259ead17e966627b7f053d16a96898da (diff)
parent9fe6206f400646a2322096b56c59891d530e8d51 (diff)
Merge branch 'v2.6.35'
Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/rtc-rx8581.c20
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/rtc/rtc-rx8581.c b/drivers/rtc/rtc-rx8581.c
index 9718aaaa8215..600b890a3c15 100644
--- a/drivers/rtc/rtc-rx8581.c
+++ b/drivers/rtc/rtc-rx8581.c
@@ -168,7 +168,7 @@ static int rx8581_set_datetime(struct i2c_client *client, struct rtc_time *tm)
168 return -EIO; 168 return -EIO;
169 } 169 }
170 170
171 err = i2c_smbus_write_byte_data(client, RX8581_REG_FLAG, 171 err = i2c_smbus_write_byte_data(client, RX8581_REG_CTRL,
172 (data | RX8581_CTRL_STOP)); 172 (data | RX8581_CTRL_STOP));
173 if (err < 0) { 173 if (err < 0) {
174 dev_err(&client->dev, "Unable to write control register\n"); 174 dev_err(&client->dev, "Unable to write control register\n");
@@ -182,6 +182,20 @@ static int rx8581_set_datetime(struct i2c_client *client, struct rtc_time *tm)
182 return -EIO; 182 return -EIO;
183 } 183 }
184 184
185 /* get VLF and clear it */
186 data = i2c_smbus_read_byte_data(client, RX8581_REG_FLAG);
187 if (data < 0) {
188 dev_err(&client->dev, "Unable to read flag register\n");
189 return -EIO;
190 }
191
192 err = i2c_smbus_write_byte_data(client, RX8581_REG_FLAG,
193 (data & ~(RX8581_FLAG_VLF)));
194 if (err != 0) {
195 dev_err(&client->dev, "Unable to write flag register\n");
196 return -EIO;
197 }
198
185 /* Restart the clock */ 199 /* Restart the clock */
186 data = i2c_smbus_read_byte_data(client, RX8581_REG_CTRL); 200 data = i2c_smbus_read_byte_data(client, RX8581_REG_CTRL);
187 if (data < 0) { 201 if (data < 0) {
@@ -189,8 +203,8 @@ static int rx8581_set_datetime(struct i2c_client *client, struct rtc_time *tm)
189 return -EIO; 203 return -EIO;
190 } 204 }
191 205
192 err = i2c_smbus_write_byte_data(client, RX8581_REG_FLAG, 206 err = i2c_smbus_write_byte_data(client, RX8581_REG_CTRL,
193 (data | ~(RX8581_CTRL_STOP))); 207 (data & ~(RX8581_CTRL_STOP)));
194 if (err != 0) { 208 if (err != 0) {
195 dev_err(&client->dev, "Unable to write control register\n"); 209 dev_err(&client->dev, "Unable to write control register\n");
196 return -EIO; 210 return -EIO;