rtc: rv3029: remove 'i2c' in functions names
To prepare the use of regmap to add the support of RV-3049, all the 'i2c' in functions's names are removed. Signed-off-by: Mylène Josserand <mylene.josserand@free-electrons.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>hifive-unleashed-5.1
Mylène Josserand
Alexandre Belloni
parent
3497610a45
commit
4e7f1a6051
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@ -116,9 +116,8 @@
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#define RV3029_USR2_RAM_PAGE 0x3C
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#define RV3029_USR2_SECTION_LEN 0x04
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static int
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rv3029_i2c_read_regs(struct i2c_client *client, u8 reg, u8 *buf,
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unsigned len)
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static int rv3029_read_regs(struct i2c_client *client, u8 reg, u8 *buf,
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unsigned len)
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{
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int ret;
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@ -134,9 +133,8 @@ rv3029_i2c_read_regs(struct i2c_client *client, u8 reg, u8 *buf,
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return 0;
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}
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static int
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rv3029_i2c_write_regs(struct i2c_client *client, u8 reg, u8 const buf[],
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unsigned len)
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static int rv3029_write_regs(struct i2c_client *client, u8 reg, u8 const buf[],
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unsigned len)
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{
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if ((reg > RV3029_USR1_RAM_PAGE + 7) ||
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(reg + len > RV3029_USR1_RAM_PAGE + 8))
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@ -145,28 +143,27 @@ rv3029_i2c_write_regs(struct i2c_client *client, u8 reg, u8 const buf[],
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return i2c_smbus_write_i2c_block_data(client, reg, len, buf);
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}
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static int
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rv3029_i2c_update_bits(struct i2c_client *client, u8 reg, u8 mask, u8 set)
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static int rv3029_update_bits(struct i2c_client *client, u8 reg, u8 mask,
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u8 set)
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{
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u8 buf;
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int ret;
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ret = rv3029_i2c_read_regs(client, reg, &buf, 1);
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ret = rv3029_read_regs(client, reg, &buf, 1);
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if (ret < 0)
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return ret;
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buf &= ~mask;
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buf |= set & mask;
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ret = rv3029_i2c_write_regs(client, reg, &buf, 1);
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ret = rv3029_write_regs(client, reg, &buf, 1);
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if (ret < 0)
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return ret;
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return 0;
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}
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static int
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rv3029_i2c_get_sr(struct i2c_client *client, u8 *buf)
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static int rv3029_get_sr(struct i2c_client *client, u8 *buf)
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{
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int ret = rv3029_i2c_read_regs(client, RV3029_STATUS, buf, 1);
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int ret = rv3029_read_regs(client, RV3029_STATUS, buf, 1);
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if (ret < 0)
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return -EIO;
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@ -174,14 +171,13 @@ rv3029_i2c_get_sr(struct i2c_client *client, u8 *buf)
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return 0;
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}
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static int
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rv3029_i2c_set_sr(struct i2c_client *client, u8 val)
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static int rv3029_set_sr(struct i2c_client *client, u8 val)
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{
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u8 buf[1];
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int sr;
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buf[0] = val;
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sr = rv3029_i2c_write_regs(client, RV3029_STATUS, buf, 1);
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sr = rv3029_write_regs(client, RV3029_STATUS, buf, 1);
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dev_dbg(&client->dev, "status = 0x%.2x (%d)\n", buf[0], buf[0]);
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if (sr < 0)
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return -EIO;
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@ -194,7 +190,7 @@ static int rv3029_eeprom_busywait(struct i2c_client *client)
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u8 sr;
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for (i = 100; i > 0; i--) {
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ret = rv3029_i2c_get_sr(client, &sr);
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ret = rv3029_get_sr(client, &sr);
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if (ret < 0)
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break;
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if (!(sr & RV3029_STATUS_EEBUSY))
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@ -212,9 +208,9 @@ static int rv3029_eeprom_busywait(struct i2c_client *client)
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static int rv3029_eeprom_exit(struct i2c_client *client)
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{
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/* Re-enable eeprom refresh */
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return rv3029_i2c_update_bits(client, RV3029_ONOFF_CTRL,
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RV3029_ONOFF_CTRL_EERE,
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RV3029_ONOFF_CTRL_EERE);
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return rv3029_update_bits(client, RV3029_ONOFF_CTRL,
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RV3029_ONOFF_CTRL_EERE,
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RV3029_ONOFF_CTRL_EERE);
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}
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static int rv3029_eeprom_enter(struct i2c_client *client)
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@ -223,7 +219,7 @@ static int rv3029_eeprom_enter(struct i2c_client *client)
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u8 sr;
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/* Check whether we are in the allowed voltage range. */
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ret = rv3029_i2c_get_sr(client, &sr);
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ret = rv3029_get_sr(client, &sr);
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if (ret < 0)
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return ret;
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if (sr & (RV3029_STATUS_VLOW1 | RV3029_STATUS_VLOW2)) {
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@ -232,11 +228,11 @@ static int rv3029_eeprom_enter(struct i2c_client *client)
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*/
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sr &= ~RV3029_STATUS_VLOW1;
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sr &= ~RV3029_STATUS_VLOW2;
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ret = rv3029_i2c_set_sr(client, sr);
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ret = rv3029_set_sr(client, sr);
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if (ret < 0)
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return ret;
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usleep_range(1000, 10000);
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ret = rv3029_i2c_get_sr(client, &sr);
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ret = rv3029_get_sr(client, &sr);
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if (ret < 0)
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return ret;
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if (sr & (RV3029_STATUS_VLOW1 | RV3029_STATUS_VLOW2)) {
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@ -247,8 +243,8 @@ static int rv3029_eeprom_enter(struct i2c_client *client)
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}
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/* Disable eeprom refresh. */
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ret = rv3029_i2c_update_bits(client, RV3029_ONOFF_CTRL,
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RV3029_ONOFF_CTRL_EERE, 0);
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ret = rv3029_update_bits(client, RV3029_ONOFF_CTRL,
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RV3029_ONOFF_CTRL_EERE, 0);
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if (ret < 0)
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return ret;
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@ -269,7 +265,7 @@ static int rv3029_eeprom_read(struct i2c_client *client, u8 reg,
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if (err < 0)
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return err;
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ret = rv3029_i2c_read_regs(client, reg, buf, len);
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ret = rv3029_read_regs(client, reg, buf, len);
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err = rv3029_eeprom_exit(client);
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if (err < 0)
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@ -290,11 +286,11 @@ static int rv3029_eeprom_write(struct i2c_client *client, u8 reg,
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return err;
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for (i = 0; i < len; i++, reg++) {
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ret = rv3029_i2c_read_regs(client, reg, &tmp, 1);
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ret = rv3029_read_regs(client, reg, &tmp, 1);
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if (ret < 0)
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break;
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if (tmp != buf[i]) {
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ret = rv3029_i2c_write_regs(client, reg, &buf[i], 1);
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ret = rv3029_write_regs(client, reg, &buf[i], 1);
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if (ret < 0)
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break;
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}
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@ -328,21 +324,20 @@ static int rv3029_eeprom_update_bits(struct i2c_client *client,
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return 0;
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}
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static int
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rv3029_i2c_read_time(struct i2c_client *client, struct rtc_time *tm)
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static int rv3029_read_time(struct i2c_client *client, struct rtc_time *tm)
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{
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u8 buf[1];
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int ret;
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u8 regs[RV3029_WATCH_SECTION_LEN] = { 0, };
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ret = rv3029_i2c_get_sr(client, buf);
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ret = rv3029_get_sr(client, buf);
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if (ret < 0) {
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dev_err(&client->dev, "%s: reading SR failed\n", __func__);
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return -EIO;
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}
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ret = rv3029_i2c_read_regs(client, RV3029_W_SEC, regs,
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RV3029_WATCH_SECTION_LEN);
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ret = rv3029_read_regs(client, RV3029_W_SEC, regs,
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RV3029_WATCH_SECTION_LEN);
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if (ret < 0) {
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dev_err(&client->dev, "%s: reading RTC section failed\n",
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__func__);
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@ -375,24 +370,24 @@ rv3029_i2c_read_time(struct i2c_client *client, struct rtc_time *tm)
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static int rv3029_rtc_read_time(struct device *dev, struct rtc_time *tm)
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{
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return rv3029_i2c_read_time(to_i2c_client(dev), tm);
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return rv3029_read_time(to_i2c_client(dev), tm);
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}
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static int
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rv3029_i2c_read_alarm(struct i2c_client *client, struct rtc_wkalrm *alarm)
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static int rv3029_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm)
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{
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struct i2c_client *client = to_i2c_client(dev);
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struct rtc_time *const tm = &alarm->time;
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int ret;
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u8 regs[8];
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ret = rv3029_i2c_get_sr(client, regs);
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ret = rv3029_get_sr(client, regs);
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if (ret < 0) {
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dev_err(&client->dev, "%s: reading SR failed\n", __func__);
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return -EIO;
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}
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ret = rv3029_i2c_read_regs(client, RV3029_A_SC, regs,
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RV3029_ALARM_SECTION_LEN);
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ret = rv3029_read_regs(client, RV3029_A_SC, regs,
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RV3029_ALARM_SECTION_LEN);
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if (ret < 0) {
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dev_err(&client->dev, "%s: reading alarm section failed\n",
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@ -411,21 +406,14 @@ rv3029_i2c_read_alarm(struct i2c_client *client, struct rtc_wkalrm *alarm)
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return 0;
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}
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static int
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rv3029_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm)
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{
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return rv3029_i2c_read_alarm(to_i2c_client(dev), alarm);
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}
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static int rv3029_rtc_i2c_alarm_set_irq(struct i2c_client *client,
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int enable)
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static int rv3029_rtc_alarm_set_irq(struct i2c_client *client, int enable)
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{
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int ret;
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/* enable/disable AIE irq */
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ret = rv3029_i2c_update_bits(client, RV3029_IRQ_CTRL,
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RV3029_IRQ_CTRL_AIE,
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(enable ? RV3029_IRQ_CTRL_AIE : 0));
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ret = rv3029_update_bits(client, RV3029_IRQ_CTRL,
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RV3029_IRQ_CTRL_AIE,
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(enable ? RV3029_IRQ_CTRL_AIE : 0));
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if (ret < 0) {
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dev_err(&client->dev, "can't update INT reg\n");
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return ret;
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@ -434,9 +422,9 @@ static int rv3029_rtc_i2c_alarm_set_irq(struct i2c_client *client,
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return 0;
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}
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static int rv3029_rtc_i2c_set_alarm(struct i2c_client *client,
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struct rtc_wkalrm *alarm)
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static int rv3029_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
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{
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struct i2c_client *client = to_i2c_client(dev);
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struct rtc_time *const tm = &alarm->time;
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int ret;
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u8 regs[8];
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@ -449,7 +437,7 @@ static int rv3029_rtc_i2c_set_alarm(struct i2c_client *client,
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if (tm->tm_year < 100)
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return -EINVAL;
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ret = rv3029_i2c_get_sr(client, regs);
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ret = rv3029_get_sr(client, regs);
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if (ret < 0) {
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dev_err(&client->dev, "%s: reading SR failed\n", __func__);
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return -EIO;
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@ -462,28 +450,28 @@ static int rv3029_rtc_i2c_set_alarm(struct i2c_client *client,
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regs[RV3029_A_DW-RV3029_A_SC] = bin2bcd((tm->tm_wday & 7) - 1);
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regs[RV3029_A_YR-RV3029_A_SC] = bin2bcd((tm->tm_year & 0x7f) - 100);
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ret = rv3029_i2c_write_regs(client, RV3029_A_SC, regs,
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RV3029_ALARM_SECTION_LEN);
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ret = rv3029_write_regs(client, RV3029_A_SC, regs,
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RV3029_ALARM_SECTION_LEN);
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if (ret < 0)
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return ret;
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if (alarm->enabled) {
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/* clear AF flag */
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ret = rv3029_i2c_update_bits(client, RV3029_IRQ_FLAGS,
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RV3029_IRQ_FLAGS_AF, 0);
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ret = rv3029_update_bits(client, RV3029_IRQ_FLAGS,
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RV3029_IRQ_FLAGS_AF, 0);
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if (ret < 0) {
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dev_err(&client->dev, "can't clear alarm flag\n");
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return ret;
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}
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/* enable AIE irq */
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ret = rv3029_rtc_i2c_alarm_set_irq(client, 1);
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ret = rv3029_rtc_alarm_set_irq(client, 1);
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if (ret)
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return ret;
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dev_dbg(&client->dev, "alarm IRQ armed\n");
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} else {
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/* disable AIE irq */
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ret = rv3029_rtc_i2c_alarm_set_irq(client, 0);
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ret = rv3029_rtc_alarm_set_irq(client, 0);
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if (ret)
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return ret;
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@ -493,13 +481,7 @@ static int rv3029_rtc_i2c_set_alarm(struct i2c_client *client,
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return 0;
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}
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static int rv3029_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
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{
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return rv3029_rtc_i2c_set_alarm(to_i2c_client(dev), alarm);
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}
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static int
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rv3029_i2c_set_time(struct i2c_client *client, struct rtc_time const *tm)
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static int rv3029_set_time(struct i2c_client *client, struct rtc_time const *tm)
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{
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u8 regs[8];
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int ret;
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@ -520,18 +502,18 @@ rv3029_i2c_set_time(struct i2c_client *client, struct rtc_time const *tm)
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regs[RV3029_W_DAYS-RV3029_W_SEC] = bin2bcd((tm->tm_wday & 7)+1);
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regs[RV3029_W_YEARS-RV3029_W_SEC] = bin2bcd(tm->tm_year - 100);
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ret = rv3029_i2c_write_regs(client, RV3029_W_SEC, regs,
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RV3029_WATCH_SECTION_LEN);
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ret = rv3029_write_regs(client, RV3029_W_SEC, regs,
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RV3029_WATCH_SECTION_LEN);
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if (ret < 0)
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return ret;
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ret = rv3029_i2c_get_sr(client, regs);
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ret = rv3029_get_sr(client, regs);
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if (ret < 0) {
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dev_err(&client->dev, "%s: reading SR failed\n", __func__);
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return ret;
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}
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/* clear PON bit */
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ret = rv3029_i2c_set_sr(client, (regs[0] & ~RV3029_STATUS_PON));
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ret = rv3029_set_sr(client, (regs[0] & ~RV3029_STATUS_PON));
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if (ret < 0) {
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dev_err(&client->dev, "%s: reading SR failed\n", __func__);
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return ret;
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@ -542,7 +524,7 @@ rv3029_i2c_set_time(struct i2c_client *client, struct rtc_time const *tm)
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static int rv3029_rtc_set_time(struct device *dev, struct rtc_time *tm)
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{
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return rv3029_i2c_set_time(to_i2c_client(dev), tm);
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return rv3029_set_time(to_i2c_client(dev), tm);
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}
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static const struct rv3029_trickle_tab_elem {
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@ -646,7 +628,7 @@ static int rv3029_read_temp(struct i2c_client *client, int *temp_mC)
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int ret;
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u8 temp;
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ret = rv3029_i2c_read_regs(client, RV3029_TEMP_PAGE, &temp, 1);
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ret = rv3029_read_regs(client, RV3029_TEMP_PAGE, &temp, 1);
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if (ret < 0)
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return ret;
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@ -743,8 +725,8 @@ static void rv3029_hwmon_register(struct i2c_client *client)
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&client->dev, client->name, client, rv3029_hwmon_groups);
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if (IS_ERR(hwmon_dev)) {
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dev_warn(&client->dev,
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"unable to register hwmon device %ld\n",
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PTR_ERR(hwmon_dev));
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"unable to register hwmon device %ld\n",
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PTR_ERR(hwmon_dev));
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}
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}
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@ -780,7 +762,7 @@ static int rv3029_probe(struct i2c_client *client,
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if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_EMUL))
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return -ENODEV;
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rc = rv3029_i2c_get_sr(client, buf);
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rc = rv3029_get_sr(client, buf);
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if (rc < 0) {
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dev_err(&client->dev, "reading status failed\n");
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return rc;
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