diff options
Diffstat (limited to 'drivers/rtc/rtc-r9701.c')
| -rw-r--r-- | drivers/rtc/rtc-r9701.c | 14 | 
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/rtc/rtc-r9701.c b/drivers/rtc/rtc-r9701.c index 9beba49c3c5b..2853c2a6f10f 100644 --- a/drivers/rtc/rtc-r9701.c +++ b/drivers/rtc/rtc-r9701.c  | |||
| @@ -125,6 +125,13 @@ static int __devinit r9701_probe(struct spi_device *spi) | |||
| 125 | unsigned char tmp; | 125 | unsigned char tmp; | 
| 126 | int res; | 126 | int res; | 
| 127 | 127 | ||
| 128 | tmp = R100CNT; | ||
| 129 | res = read_regs(&spi->dev, &tmp, 1); | ||
| 130 | if (res || tmp != 0x20) { | ||
| 131 | dev_err(&spi->dev, "cannot read RTC register\n"); | ||
| 132 | return -ENODEV; | ||
| 133 | } | ||
| 134 | |||
| 128 | rtc = rtc_device_register("r9701", | 135 | rtc = rtc_device_register("r9701", | 
| 129 | &spi->dev, &r9701_rtc_ops, THIS_MODULE); | 136 | &spi->dev, &r9701_rtc_ops, THIS_MODULE); | 
| 130 | if (IS_ERR(rtc)) | 137 | if (IS_ERR(rtc)) | 
| @@ -132,13 +139,6 @@ static int __devinit r9701_probe(struct spi_device *spi) | |||
| 132 | 139 | ||
| 133 | dev_set_drvdata(&spi->dev, rtc); | 140 | dev_set_drvdata(&spi->dev, rtc); | 
| 134 | 141 | ||
| 135 | tmp = R100CNT; | ||
| 136 | res = read_regs(&spi->dev, &tmp, 1); | ||
| 137 | if (res || tmp != 0x20) { | ||
| 138 | rtc_device_unregister(rtc); | ||
| 139 | return res; | ||
| 140 | } | ||
| 141 | |||
| 142 | return 0; | 142 | return 0; | 
| 143 | } | 143 | } | 
| 144 | 144 | ||
