diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-07-31 09:19:22 -0400 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-07-31 09:19:22 -0400 |
| commit | f13b1035ce8bbc27d4ce7c281cddd2718f2cf5b0 (patch) | |
| tree | 44419bd03c33e662302dd003f57d36e133144f91 /drivers/rtc | |
| parent | e910b63d009701ad4ebbeb089aba35707fa5d68e (diff) | |
| parent | 5da3e714e30d40145f4dd37d79de6bbbcb9e6137 (diff) | |
Merge branch 'shmobile' into devel
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/rtc-rx8581.c | 20 |
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; |