diff options
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/rtc/rtc-rs5c348.c | 9 |
2 files changed, 9 insertions, 2 deletions
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 33a7b720539b..62c804af9fbe 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig | |||
| @@ -27,7 +27,7 @@ config RTC_HCTOSYS | |||
| 27 | help | 27 | help |
| 28 | If you say yes here, the system time will be set using | 28 | If you say yes here, the system time will be set using |
| 29 | the value read from the specified RTC device. This is useful | 29 | the value read from the specified RTC device. This is useful |
| 30 | in order to avoid unnecessary fschk runs. | 30 | in order to avoid unnecessary fsck runs. |
| 31 | 31 | ||
| 32 | config RTC_HCTOSYS_DEVICE | 32 | config RTC_HCTOSYS_DEVICE |
| 33 | string "The RTC to read the time from" | 33 | string "The RTC to read the time from" |
diff --git a/drivers/rtc/rtc-rs5c348.c b/drivers/rtc/rtc-rs5c348.c index 0964d1dba925..25589061f931 100644 --- a/drivers/rtc/rtc-rs5c348.c +++ b/drivers/rtc/rtc-rs5c348.c | |||
| @@ -23,7 +23,7 @@ | |||
| 23 | #include <linux/workqueue.h> | 23 | #include <linux/workqueue.h> |
| 24 | #include <linux/spi/spi.h> | 24 | #include <linux/spi/spi.h> |
| 25 | 25 | ||
| 26 | #define DRV_VERSION "0.1" | 26 | #define DRV_VERSION "0.2" |
| 27 | 27 | ||
| 28 | #define RS5C348_REG_SECS 0 | 28 | #define RS5C348_REG_SECS 0 |
| 29 | #define RS5C348_REG_MINS 1 | 29 | #define RS5C348_REG_MINS 1 |
| @@ -175,8 +175,15 @@ static int __devinit rs5c348_probe(struct spi_device *spi) | |||
| 175 | goto kfree_exit; | 175 | goto kfree_exit; |
| 176 | if (ret & (RS5C348_BIT_XSTP | RS5C348_BIT_VDET)) { | 176 | if (ret & (RS5C348_BIT_XSTP | RS5C348_BIT_VDET)) { |
| 177 | u8 buf[2]; | 177 | u8 buf[2]; |
| 178 | struct rtc_time tm; | ||
| 178 | if (ret & RS5C348_BIT_VDET) | 179 | if (ret & RS5C348_BIT_VDET) |
| 179 | dev_warn(&spi->dev, "voltage-low detected.\n"); | 180 | dev_warn(&spi->dev, "voltage-low detected.\n"); |
| 181 | if (ret & RS5C348_BIT_XSTP) | ||
| 182 | dev_warn(&spi->dev, "oscillator-stop detected.\n"); | ||
| 183 | rtc_time_to_tm(0, &tm); /* 1970/1/1 */ | ||
| 184 | ret = rs5c348_rtc_set_time(&spi->dev, &tm); | ||
| 185 | if (ret < 0) | ||
| 186 | goto kfree_exit; | ||
| 180 | buf[0] = RS5C348_CMD_W(RS5C348_REG_CTL2); | 187 | buf[0] = RS5C348_CMD_W(RS5C348_REG_CTL2); |
| 181 | buf[1] = 0; | 188 | buf[1] = 0; |
| 182 | ret = spi_write_then_read(spi, buf, sizeof(buf), NULL, 0); | 189 | ret = spi_write_then_read(spi, buf, sizeof(buf), NULL, 0); |
