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rtc: efi: add efi_procfs in efi_rtc_ops

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Add efi_procfs in efi_rtc_ops to show rtc-efi info in /proc/driver/rtc.
Most of the code comes from efi_rtc_proc_show() in efirtc.

Signed-off-by: Geliang Tang <geliangtang@163.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
This commit is contained in:
Geliang Tang 2015-11-07 12:00:22 +08:00 committed by Alexandre Belloni
parent b01079be44
commit 501385f2a7
1 changed files with 62 additions and 4 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

58
drivers/rtc/rtc-efi.c
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@ -191,11 +191,69 @@ static int efi_set_time(struct device *dev, struct rtc_time *tm)
return status == EFI_SUCCESS ? 0 : -EINVAL; return status == EFI_SUCCESS ? 0 : -EINVAL;
} }
static int efi_procfs(struct device *dev, struct seq_file *seq)
{
efi_time_t eft, alm;
efi_time_cap_t cap;
efi_bool_t enabled, pending;
memset(&eft, 0, sizeof(eft));
memset(&alm, 0, sizeof(alm));
memset(&cap, 0, sizeof(cap));
efi.get_time(&eft, &cap);
efi.get_wakeup_time(&enabled, &pending, &alm);
seq_printf(seq,
"Time\t\t: %u:%u:%u.%09u\n"
"Date\t\t: %u-%u-%u\n"
"Daylight\t: %u\n",
eft.hour, eft.minute, eft.second, eft.nanosecond,
eft.year, eft.month, eft.day,
eft.daylight);
if (eft.timezone == EFI_UNSPECIFIED_TIMEZONE)
seq_puts(seq, "Timezone\t: unspecified\n");
else
/* XXX fixme: convert to string? */
seq_printf(seq, "Timezone\t: %u\n", eft.timezone);
seq_printf(seq,
"Alarm Time\t: %u:%u:%u.%09u\n"
"Alarm Date\t: %u-%u-%u\n"
"Alarm Daylight\t: %u\n"
"Enabled\t\t: %s\n"
"Pending\t\t: %s\n",
alm.hour, alm.minute, alm.second, alm.nanosecond,
alm.year, alm.month, alm.day,
alm.daylight,
enabled == 1 ? "yes" : "no",
pending == 1 ? "yes" : "no");
if (eft.timezone == EFI_UNSPECIFIED_TIMEZONE)
seq_puts(seq, "Timezone\t: unspecified\n");
else
/* XXX fixme: convert to string? */
seq_printf(seq, "Timezone\t: %u\n", alm.timezone);
/*
* now prints the capabilities
*/
seq_printf(seq,
"Resolution\t: %u\n"
"Accuracy\t: %u\n"
"SetstoZero\t: %u\n",
cap.resolution, cap.accuracy, cap.sets_to_zero);
return 0;
}
static const struct rtc_class_ops efi_rtc_ops = { static const struct rtc_class_ops efi_rtc_ops = {
.read_time = efi_read_time, .read_time = efi_read_time,
.set_time = efi_set_time, .set_time = efi_set_time,
.read_alarm = efi_read_alarm, .read_alarm = efi_read_alarm,
.set_alarm = efi_set_alarm, .set_alarm = efi_set_alarm,
.proc = efi_procfs,
}; };
static int __init efi_rtc_probe(struct platform_device *dev) static int __init efi_rtc_probe(struct platform_device *dev)