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Commit 501385f2 authored by Geliang Tang's avatar Geliang Tang Committed by Alexandre Belloni
Browse files

rtc: efi: add efi_procfs in efi_rtc_ops 



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: default avatarGeliang Tang <geliangtang@163.com>
Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@free-electrons.com>
parent b01079be

drivers/rtc/rtc-efi.c

+62 −4
Original line number Diff line number Diff line
@@ -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,

	.proc		= efi_procfs,

};



static int __init efi_rtc_probe(struct platform_device *dev)