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Subject[PATCH 2/2] rtc: efi: add efi_procfs in efi_rtc_ops
Date
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>
---
drivers/rtc/rtc-efi.c | 66 +++++++++++++++++++++++++++++++++++++++++++++++----
1 file changed, 62 insertions(+), 4 deletions(-)

diff --git a/drivers/rtc/rtc-efi.c b/drivers/rtc/rtc-efi.c
index 3806961..96d3860 100644
--- a/drivers/rtc/rtc-efi.c
+++ b/drivers/rtc/rtc-efi.c
@@ -191,11 +191,69 @@ static int efi_set_time(struct device *dev, struct rtc_time *tm)
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 = {
- .read_time = efi_read_time,
- .set_time = efi_set_time,
- .read_alarm = efi_read_alarm,
- .set_alarm = efi_set_alarm,
+ .read_time = efi_read_time,
+ .set_time = efi_set_time,
+ .read_alarm = efi_read_alarm,
+ .set_alarm = efi_set_alarm,
+ .proc = efi_procfs,
};

static int __init efi_rtc_probe(struct platform_device *dev)
--
2.5.0



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