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authorLinus Torvalds <torvalds@linux-foundation.org>2016-01-18 12:10:45 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-01-18 12:10:45 -0800
commitc38dec71664dadb15094151f53886abb69f8f9e6 (patch)
treeafd6aaa893cd4d7d740679826c7f0c252764e4c8 /drivers/rtc/rtc-efi.c
parentd43fb9f3c5dff281dd72bea5cd2e91386fdc33a8 (diff)
parent079062b28fb4c58e30d024fdf974e00de53158fd (diff)
Merge tag 'rtc-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni: "Core: - fix module reference count in rtc-proc - Replace simple_strtoul by kstrtoul New driver: - Epson RX8010SJ Subsystem wide cleanups: - use %ph for short hex dumps - constify *_chip_ops structures Drivers: - abx80x: Microcrystal rv1805 support, alarm support - cmos: prevent kernel warning on IRQ flags mismatch - s5m: various cleanups - rv8803: rx8900 compatibility, small error path fix - sunxi: various cleanups - lpc32xx: remove irq > NR_IRQS check from probe() - imxdi: fix spelling mistake in warning message - ds1685: don't try to micromanage sysfs output size - da9063: avoid writing undefined data to rtc - gemini: Remove unnecessary platform_set_drvdata() - efi: add efi_procfs in efi_rtc_ops - pcf8523: refuse to write dates later than 2099" * tag 'rtc-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (24 commits) rtc: cmos: prevent kernel warning on IRQ flags mismatch rtc: rtc-ds2404: constify ds2404_chip_ops structures rtc: s5m: Make register configuration per S2MPS device to remove exceptions rtc: s5m: Add separate field for storing auto-cleared mask in register config rtc: s5m: Cleanup by removing useless 'rtc' prefix from fields rtc: Replace simple_strtoul by kstrtoul rtc: abx80x: add alarm support rtc: abx80x: Add Microcrystal rv1805 support rtc: v3020: constify v3020_chip_ops structures rtc: rv8803: Extend compatibility with the rx8900 rtc: rv8803: fix handling return value of i2c_smbus_read_byte_data rtc: Add Epson RX8010SJ RTC driver rtc: lpc32xx: remove irq > NR_IRQS check from probe() rtc: imxdi: fix spelling mistake in warning message rtc: ds1685: don't try to micromanage sysfs output size rtc: use %ph for short hex dumps rtc: da9063: avoid writing undefined data to rtc rtc: sunxi: use of_device_get_match_data rtc: sunxi: constify the data_year_param structure rtc: sunxi: fix signedness issues ...
Diffstat (limited to 'drivers/rtc/rtc-efi.c')
-rw-r--r--drivers/rtc/rtc-efi.c66
1 files changed, 62 insertions, 4 deletions
diff --git a/drivers/rtc/rtc-efi.c b/drivers/rtc/rtc-efi.c
index 3806961b4348..96d38609d803 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)