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Merge branch 'for-next/rtc'

This commit is contained in:
Sascha Hauer 2016-04-08 13:37:28 +02:00
parent 660fc0ad87 750f53c399
commit 11b2257f4b
2 changed files with 19 additions and 7 deletions
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2
drivers/rtc/rtc-abracon.c
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@ -59,7 +59,7 @@ static int abracon_get_time(struct rtc_device *rtcdev, struct rtc_time *t)
t->tm_mon = bcd2bin(cp[5]); t->tm_mon = bcd2bin(cp[5]);
t->tm_year = bcd2bin(cp[6]) + 100; t->tm_year = bcd2bin(cp[6]) + 100;
return 0; return rtc_valid_tm(t);
} }
static int abracon_set_time(struct rtc_device *rtcdev, struct rtc_time *t) static int abracon_set_time(struct rtc_device *rtcdev, struct rtc_time *t)

22
drivers/rtc/rtc-ds1307.c
View File

@ -68,6 +68,7 @@ enum ds_type {
#define DS1337_REG_CONTROL 0x0e #define DS1337_REG_CONTROL 0x0e
# define DS1337_BIT_nEOSC 0x80 # define DS1337_BIT_nEOSC 0x80
# define DS1339_BIT_BBSQI 0x20 # define DS1339_BIT_BBSQI 0x20
# define DS1341_BIT_EGFIL 0x20
# define DS3231_BIT_BBSQW 0x40 /* same as BBSQI */ # define DS3231_BIT_BBSQW 0x40 /* same as BBSQI */
# define DS1337_BIT_RS2 0x10 # define DS1337_BIT_RS2 0x10
# define DS1337_BIT_RS1 0x08 # define DS1337_BIT_RS1 0x08
@ -83,6 +84,7 @@ enum ds_type {
# define DS1340_BIT_OSF 0x80 # define DS1340_BIT_OSF 0x80
#define DS1337_REG_STATUS 0x0f #define DS1337_REG_STATUS 0x0f
# define DS1337_BIT_OSF 0x80 # define DS1337_BIT_OSF 0x80
# define DS1341_BIT_DOSF 0x40
# define DS1341_BIT_ECLK 0x04 # define DS1341_BIT_ECLK 0x04
# define DS1337_BIT_A2I 0x02 # define DS1337_BIT_A2I 0x02
# define DS1337_BIT_A1I 0x01 # define DS1337_BIT_A1I 0x01
@ -333,12 +335,22 @@ static int ds1307_probe(struct device_d *dev)
i2c_smbus_write_byte_data(client, DS1337_REG_CONTROL, i2c_smbus_write_byte_data(client, DS1337_REG_CONTROL,
ds1307->regs[0]); ds1307->regs[0]);
/*
For the above to be true, DS1341 also has to have
ECLK bit set to 0
*/
if (ds1307->type == ds_1341) { if (ds1307->type == ds_1341) {
ds1307->regs[1] &= DS1341_BIT_ECLK; /*
* For the above to be true, DS1341 also has to have
* ECLK bit set to 0
*/
ds1307->regs[1] &= ~DS1341_BIT_ECLK;
/*
* Let's set additionale RTC bits to
* facilitate maximum power saving.
*/
ds1307->regs[0] |= DS1341_BIT_DOSF;
ds1307->regs[0] &= ~DS1341_BIT_EGFIL;
i2c_smbus_write_byte_data(client, DS1337_REG_CONTROL,
ds1307->regs[0]);
i2c_smbus_write_byte_data(client, DS1337_REG_STATUS, i2c_smbus_write_byte_data(client, DS1337_REG_STATUS,
ds1307->regs[1]); ds1307->regs[1]);
} }