rtc: rv3029: get rid of rv3029_get_sr
There is no point in having 2 indirections before calling regmap_read, especially since rv3029_get_sr also changes the return value without any good reason. Call regmap_read directly. Link: https://lore.kernel.org/r/20191214221022.622482-7-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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@ -137,23 +137,13 @@ static int rv3029_write_regs(struct device *dev, u8 reg, u8 const buf[],
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return regmap_bulk_write(rv3029->regmap, reg, buf, len);
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return regmap_bulk_write(rv3029->regmap, reg, buf, len);
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}
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}
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static int rv3029_get_sr(struct device *dev, u8 *buf)
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static int rv3029_eeprom_busywait(struct rv3029_data *rv3029)
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{
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int ret = rv3029_read_regs(dev, RV3029_STATUS, buf, 1);
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if (ret < 0)
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return -EIO;
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dev_dbg(dev, "status = 0x%.2x (%d)\n", buf[0], buf[0]);
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return 0;
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}
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static int rv3029_eeprom_busywait(struct device *dev)
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{
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{
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unsigned int sr;
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int i, ret;
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int i, ret;
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u8 sr;
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for (i = 100; i > 0; i--) {
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for (i = 100; i > 0; i--) {
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ret = rv3029_get_sr(dev, &sr);
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ret = regmap_read(rv3029->regmap, RV3029_STATUS, &sr);
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if (ret < 0)
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if (ret < 0)
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break;
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break;
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if (!(sr & RV3029_STATUS_EEBUSY))
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if (!(sr & RV3029_STATUS_EEBUSY))
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@ -161,7 +151,7 @@ static int rv3029_eeprom_busywait(struct device *dev)
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usleep_range(1000, 10000);
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usleep_range(1000, 10000);
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}
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}
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if (i <= 0) {
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if (i <= 0) {
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dev_err(dev, "EEPROM busy wait timeout.\n");
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dev_err(rv3029->dev, "EEPROM busy wait timeout.\n");
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return -ETIMEDOUT;
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return -ETIMEDOUT;
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}
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}
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@ -181,11 +171,11 @@ static int rv3029_eeprom_exit(struct device *dev)
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static int rv3029_eeprom_enter(struct device *dev)
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static int rv3029_eeprom_enter(struct device *dev)
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{
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{
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struct rv3029_data *rv3029 = dev_get_drvdata(dev);
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struct rv3029_data *rv3029 = dev_get_drvdata(dev);
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unsigned int sr;
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int ret;
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int ret;
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u8 sr;
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/* Check whether we are in the allowed voltage range. */
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/* Check whether we are in the allowed voltage range. */
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ret = rv3029_get_sr(dev, &sr);
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ret = regmap_read(rv3029->regmap, RV3029_STATUS, &sr);
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if (ret < 0)
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if (ret < 0)
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return ret;
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return ret;
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if (sr & (RV3029_STATUS_VLOW1 | RV3029_STATUS_VLOW2)) {
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if (sr & (RV3029_STATUS_VLOW1 | RV3029_STATUS_VLOW2)) {
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@ -198,7 +188,7 @@ static int rv3029_eeprom_enter(struct device *dev)
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if (ret < 0)
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if (ret < 0)
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return ret;
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return ret;
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usleep_range(1000, 10000);
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usleep_range(1000, 10000);
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ret = rv3029_get_sr(dev, &sr);
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ret = regmap_read(rv3029->regmap, RV3029_STATUS, &sr);
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if (ret < 0)
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if (ret < 0)
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return ret;
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return ret;
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if (sr & (RV3029_STATUS_VLOW1 | RV3029_STATUS_VLOW2)) {
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if (sr & (RV3029_STATUS_VLOW1 | RV3029_STATUS_VLOW2)) {
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@ -215,7 +205,7 @@ static int rv3029_eeprom_enter(struct device *dev)
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return ret;
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return ret;
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/* Wait for any previous eeprom accesses to finish. */
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/* Wait for any previous eeprom accesses to finish. */
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ret = rv3029_eeprom_busywait(dev);
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ret = rv3029_eeprom_busywait(rv3029);
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if (ret < 0)
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if (ret < 0)
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rv3029_eeprom_exit(dev);
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rv3029_eeprom_exit(dev);
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@ -243,6 +233,7 @@ static int rv3029_eeprom_read(struct device *dev, u8 reg,
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static int rv3029_eeprom_write(struct device *dev, u8 reg,
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static int rv3029_eeprom_write(struct device *dev, u8 reg,
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u8 const buf[], size_t len)
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u8 const buf[], size_t len)
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{
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{
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struct rv3029_data *rv3029 = dev_get_drvdata(dev);
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int ret, err;
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int ret, err;
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size_t i;
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size_t i;
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u8 tmp;
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u8 tmp;
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@ -260,7 +251,7 @@ static int rv3029_eeprom_write(struct device *dev, u8 reg,
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if (ret < 0)
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if (ret < 0)
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break;
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break;
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}
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}
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ret = rv3029_eeprom_busywait(dev);
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ret = rv3029_eeprom_busywait(rv3029);
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if (ret < 0)
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if (ret < 0)
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break;
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break;
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}
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}
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