@@ -115,7 +115,6 @@ enum ds_type {
struct ds1307 {
- u8 offset; /* register's offset */
u8 regs[11];
u16 nvram_offset;
struct nvmem_config nvmem_cfg;
@@ -136,6 +135,7 @@ struct chip_desc {
unsigned alarm:1;
u16 nvram_offset;
u16 nvram_size;
+ u8 offset; /* register's offset */
u8 century_reg;
u8 century_enable_bit;
u8 century_bit;
@@ -208,6 +208,7 @@ static const struct chip_desc chips[last_ds_type] = {
.trickle_charger_reg = 0x08,
},
[ds_1388] = {
+ .offset = 1,
.trickle_charger_reg = 0x0a,
},
[ds_3231] = {
@@ -221,6 +222,7 @@ static const struct chip_desc chips[last_ds_type] = {
/* this is battery backed SRAM */
.nvram_offset = 0x20,
.nvram_size = 4, /* 32bit (4 word x 8 bit) */
+ .offset = 0x10,
.irq_handler = rx8130_irq,
.rtc_ops = &rx8130_rtc_ops,
},
@@ -387,7 +389,7 @@ static int ds1307_get_time(struct device *dev, struct rtc_time *t)
const struct chip_desc *chip = &chips[ds1307->type];
/* read the RTC date and time registers all at once */
- ret = regmap_bulk_read(ds1307->regmap, ds1307->offset, ds1307->regs, 7);
+ ret = regmap_bulk_read(ds1307->regmap, chip->offset, ds1307->regs, 7);
if (ret) {
dev_err(dev, "%s error %d\n", "read", ret);
return ret;
@@ -479,7 +481,7 @@ static int ds1307_set_time(struct device *dev, struct rtc_time *t)
dev_dbg(dev, "%s: %7ph\n", "write", buf);
- result = regmap_bulk_write(ds1307->regmap, ds1307->offset, buf, 7);
+ result = regmap_bulk_write(ds1307->regmap, chip->offset, buf, 7);
if (result) {
dev_err(dev, "%s error %d\n", "write", result);
return result;
@@ -1502,19 +1504,13 @@ static int ds1307_probe(struct i2c_client *client,
DS1307_REG_HOUR << 4 | 0x08, hour);
}
break;
- case rx_8130:
- ds1307->offset = 0x10; /* Seconds starts at 0x10 */
- break;
- case ds_1388:
- ds1307->offset = 1; /* Seconds starts at 1 */
- break;
default:
break;
}
read_rtc:
/* read RTC registers */
- err = regmap_bulk_read(ds1307->regmap, ds1307->offset, buf, 8);
+ err = regmap_bulk_read(ds1307->regmap, chip->offset, buf, 8);
if (err) {
dev_dbg(ds1307->dev, "read error %d\n", err);
goto exit;
@@ -1615,7 +1611,7 @@ static int ds1307_probe(struct i2c_client *client,
tmp = 0;
if (ds1307->regs[DS1307_REG_HOUR] & DS1307_BIT_PM)
tmp += 12;
- regmap_write(ds1307->regmap, ds1307->offset + DS1307_REG_HOUR,
+ regmap_write(ds1307->regmap, chip->offset + DS1307_REG_HOUR,
bin2bcd(tmp));
}
Factor out offset to struct chip_desc and remove it from struct ds1307. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> --- drivers/rtc/rtc-ds1307.c | 18 +++++++----------- 1 file changed, 7 insertions(+), 11 deletions(-)