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authorHeiner Kallweit <hkallweit1@gmail.com>2017-07-12 08:49:22 +0300
committerAlexandre Belloni <alexandre.belloni@free-electrons.com>2017-09-01 02:10:13 +0300
commit0b6ee8059448003591cc67fa1ee7db4d979a5bab (patch)
tree669927ca3f5eb5eecfd7bf6bed9def3add66b598 /drivers/rtc
parent340fd7bce08af00f97d07d5d09d1a9822379efec (diff)
downloadlinux-0b6ee8059448003591cc67fa1ee7db4d979a5bab.tar.xz
rtc: ds1307: factor out bbsqi bit to struct chip_desc
Factor out the bbsqi bit to struct chip_desc. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/rtc-ds1307.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c
index adc90f188dae..eecf6b272d3f 100644
--- a/drivers/rtc/rtc-ds1307.c
+++ b/drivers/rtc/rtc-ds1307.c
@@ -139,6 +139,7 @@ struct chip_desc {
u8 century_reg;
u8 century_enable_bit;
u8 century_bit;
+ u8 bbsqi_bit;
u16 trickle_charger_reg;
u8 trickle_charger_setup;
u8 (*do_trickle_setup)(struct ds1307 *, uint32_t,
@@ -169,6 +170,7 @@ static struct chip_desc chips[last_ds_type] = {
.alarm = 1,
.century_reg = DS1307_REG_MONTH,
.century_bit = DS1337_BIT_CENTURY,
+ .bbsqi_bit = DS1339_BIT_BBSQI,
.trickle_charger_reg = 0x10,
.do_trickle_setup = &do_trickle_setup_ds1339,
},
@@ -185,6 +187,7 @@ static struct chip_desc chips[last_ds_type] = {
.alarm = 1,
.century_reg = DS1307_REG_MONTH,
.century_bit = DS1337_BIT_CENTURY,
+ .bbsqi_bit = DS3231_BIT_BBSQW,
},
[rx_8130] = {
.alarm = 1,
@@ -1319,11 +1322,6 @@ static int ds1307_probe(struct i2c_client *client,
irq_handler_t irq_handler = ds1307_irq;
- static const int bbsqi_bitpos[] = {
- [ds_1337] = 0,
- [ds_1339] = DS1339_BIT_BBSQI,
- [ds_3231] = DS3231_BIT_BBSQW,
- };
const struct rtc_class_ops *rtc_ops = &ds13xx_rtc_ops;
ds1307 = devm_kzalloc(&client->dev, sizeof(struct ds1307), GFP_KERNEL);
@@ -1414,8 +1412,7 @@ static int ds1307_probe(struct i2c_client *client,
*/
if (chip->alarm && (client->irq > 0 ||
ds1307_can_wakeup_device)) {
- ds1307->regs[0] |= DS1337_BIT_INTCN
- | bbsqi_bitpos[ds1307->type];
+ ds1307->regs[0] |= DS1337_BIT_INTCN | chip->bbsqi_bit;
ds1307->regs[0] &= ~(DS1337_BIT_A2IE | DS1337_BIT_A1IE);
want_irq = true;