diff options
author | H. Peter Anvin <hpa@zytor.com> | 2010-04-29 16:53:17 -0700 |
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committer | H. Peter Anvin <hpa@zytor.com> | 2010-04-29 16:53:17 -0700 |
commit | d9c5841e22231e4e49fd0a1004164e6fce59b7a6 (patch) | |
tree | e1f589c46b3ff79bbe7b1b2469f6362f94576da6 /drivers/rtc/hctosys.c | |
parent | b701a47ba48b698976fb2fe05fb285b0edc1d26a (diff) | |
parent | 5967ed87ade85a421ef814296c3c7f182b08c225 (diff) |
Merge branch 'x86/asm' into x86/atomic
Merge reason:
Conflict between LOCK_PREFIX_HERE and relative alternatives
pointers
Resolved Conflicts:
arch/x86/include/asm/alternative.h
arch/x86/kernel/alternative.c
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'drivers/rtc/hctosys.c')
-rw-r--r-- | drivers/rtc/hctosys.c | 59 |
1 files changed, 34 insertions, 25 deletions
diff --git a/drivers/rtc/hctosys.c b/drivers/rtc/hctosys.c index 33c0e98243ee..bc90b091f195 100644 --- a/drivers/rtc/hctosys.c +++ b/drivers/rtc/hctosys.c @@ -22,48 +22,57 @@ * the best guess is to add 0.5s. */ +int rtc_hctosys_ret = -ENODEV; + static int __init rtc_hctosys(void) { - int err; + int err = -ENODEV; struct rtc_time tm; + struct timespec tv = { + .tv_nsec = NSEC_PER_SEC >> 1, + }; struct rtc_device *rtc = rtc_class_open(CONFIG_RTC_HCTOSYS_DEVICE); if (rtc == NULL) { - printk("%s: unable to open rtc device (%s)\n", + pr_err("%s: unable to open rtc device (%s)\n", __FILE__, CONFIG_RTC_HCTOSYS_DEVICE); - return -ENODEV; + goto err_open; } err = rtc_read_time(rtc, &tm); - if (err == 0) { - err = rtc_valid_tm(&tm); - if (err == 0) { - struct timespec tv; + if (err) { + dev_err(rtc->dev.parent, + "hctosys: unable to read the hardware clock\n"); + goto err_read; - tv.tv_nsec = NSEC_PER_SEC >> 1; + } - rtc_tm_to_time(&tm, &tv.tv_sec); + err = rtc_valid_tm(&tm); + if (err) { + dev_err(rtc->dev.parent, + "hctosys: invalid date/time\n"); + goto err_invalid; + } - do_settimeofday(&tv); + rtc_tm_to_time(&tm, &tv.tv_sec); - dev_info(rtc->dev.parent, - "setting system clock to " - "%d-%02d-%02d %02d:%02d:%02d UTC (%u)\n", - tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, - tm.tm_hour, tm.tm_min, tm.tm_sec, - (unsigned int) tv.tv_sec); - } - else - dev_err(rtc->dev.parent, - "hctosys: invalid date/time\n"); - } - else - dev_err(rtc->dev.parent, - "hctosys: unable to read the hardware clock\n"); + do_settimeofday(&tv); + dev_info(rtc->dev.parent, + "setting system clock to " + "%d-%02d-%02d %02d:%02d:%02d UTC (%u)\n", + tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, + tm.tm_hour, tm.tm_min, tm.tm_sec, + (unsigned int) tv.tv_sec); + +err_invalid: +err_read: rtc_class_close(rtc); - return 0; +err_open: + rtc_hctosys_ret = err; + + return err; } late_initcall(rtc_hctosys); |