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Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/class.c8
-rw-r--r--drivers/rtc/interface.c8
-rw-r--r--drivers/rtc/rtc-ab3100.c55
-rw-r--r--drivers/rtc/rtc-hid-sensor-time.c2
-rw-r--r--drivers/rtc/rtc-mc13xxx.c32
-rw-r--r--drivers/rtc/rtc-mxc.c55
-rw-r--r--drivers/rtc/rtc-s5m.c60
-rw-r--r--drivers/rtc/rtc-test.c19
-rw-r--r--drivers/rtc/systohc.c7
9 files changed, 93 insertions, 153 deletions
diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c
index 472a5adc4642..c29ba7e14304 100644
--- a/drivers/rtc/class.c
+++ b/drivers/rtc/class.c
@@ -55,7 +55,7 @@ static int rtc_suspend(struct device *dev)
struct timespec64 delta, delta_delta;
int err;
- if (has_persistent_clock())
+ if (timekeeping_rtc_skipsuspend())
return 0;
if (strcmp(dev_name(&rtc->dev), CONFIG_RTC_HCTOSYS_DEVICE) != 0)
@@ -102,7 +102,7 @@ static int rtc_resume(struct device *dev)
struct timespec64 sleep_time;
int err;
- if (has_persistent_clock())
+ if (timekeeping_rtc_skipresume())
return 0;
rtc_hctosys_ret = -ENODEV;
@@ -117,10 +117,6 @@ static int rtc_resume(struct device *dev)
return 0;
}
- if (rtc_valid_tm(&tm) != 0) {
- pr_debug("%s: bogus resume time\n", dev_name(&rtc->dev));
- return 0;
- }
new_rtc.tv_sec = rtc_tm_to_time64(&tm);
new_rtc.tv_nsec = 0;
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index 37215cf983e9..d43ee409a5f2 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -72,7 +72,11 @@ int rtc_set_time(struct rtc_device *rtc, struct rtc_time *tm)
err = -ENODEV;
else if (rtc->ops->set_time)
err = rtc->ops->set_time(rtc->dev.parent, tm);
- else if (rtc->ops->set_mmss) {
+ else if (rtc->ops->set_mmss64) {
+ time64_t secs64 = rtc_tm_to_time64(tm);
+
+ err = rtc->ops->set_mmss64(rtc->dev.parent, secs64);
+ } else if (rtc->ops->set_mmss) {
time64_t secs64 = rtc_tm_to_time64(tm);
err = rtc->ops->set_mmss(rtc->dev.parent, secs64);
} else
@@ -96,6 +100,8 @@ int rtc_set_mmss(struct rtc_device *rtc, unsigned long secs)
if (!rtc->ops)
err = -ENODEV;
+ else if (rtc->ops->set_mmss64)
+ err = rtc->ops->set_mmss64(rtc->dev.parent, secs);
else if (rtc->ops->set_mmss)
err = rtc->ops->set_mmss(rtc->dev.parent, secs);
else if (rtc->ops->read_time && rtc->ops->set_time) {
diff --git a/drivers/rtc/rtc-ab3100.c b/drivers/rtc/rtc-ab3100.c
index 1d0340fdb820..9b725c553058 100644
--- a/drivers/rtc/rtc-ab3100.c
+++ b/drivers/rtc/rtc-ab3100.c
@@ -43,21 +43,21 @@
/*
* RTC clock functions and device struct declaration
*/
-static int ab3100_rtc_set_mmss(struct device *dev, unsigned long secs)
+static int ab3100_rtc_set_mmss(struct device *dev, time64_t secs)
{
u8 regs[] = {AB3100_TI0, AB3100_TI1, AB3100_TI2,
AB3100_TI3, AB3100_TI4, AB3100_TI5};
unsigned char buf[6];
- u64 fat_time = (u64) secs * AB3100_RTC_CLOCK_RATE * 2;
+ u64 hw_counter = secs * AB3100_RTC_CLOCK_RATE * 2;
int err = 0;
int i;
- buf[0] = (fat_time) & 0xFF;
- buf[1] = (fat_time >> 8) & 0xFF;
- buf[2] = (fat_time >> 16) & 0xFF;
- buf[3] = (fat_time >> 24) & 0xFF;
- buf[4] = (fat_time >> 32) & 0xFF;
- buf[5] = (fat_time >> 40) & 0xFF;
+ buf[0] = (hw_counter) & 0xFF;
+ buf[1] = (hw_counter >> 8) & 0xFF;
+ buf[2] = (hw_counter >> 16) & 0xFF;
+ buf[3] = (hw_counter >> 24) & 0xFF;
+ buf[4] = (hw_counter >> 32) & 0xFF;
+ buf[5] = (hw_counter >> 40) & 0xFF;
for (i = 0; i < 6; i++) {
err = abx500_set_register_interruptible(dev, 0,
@@ -75,7 +75,7 @@ static int ab3100_rtc_set_mmss(struct device *dev, unsigned long secs)
static int ab3100_rtc_read_time(struct device *dev, struct rtc_time *tm)
{
- unsigned long time;
+ time64_t time;
u8 rtcval;
int err;
@@ -88,7 +88,7 @@ static int ab3100_rtc_read_time(struct device *dev, struct rtc_time *tm)
dev_info(dev, "clock not set (lost power)");
return -EINVAL;
} else {
- u64 fat_time;
+ u64 hw_counter;
u8 buf[6];
/* Read out time registers */
@@ -98,22 +98,21 @@ static int ab3100_rtc_read_time(struct device *dev, struct rtc_time *tm)
if (err != 0)
return err;
- fat_time = ((u64) buf[5] << 40) | ((u64) buf[4] << 32) |
+ hw_counter = ((u64) buf[5] << 40) | ((u64) buf[4] << 32) |
((u64) buf[3] << 24) | ((u64) buf[2] << 16) |
((u64) buf[1] << 8) | (u64) buf[0];
- time = (unsigned long) (fat_time /
- (u64) (AB3100_RTC_CLOCK_RATE * 2));
+ time = hw_counter / (u64) (AB3100_RTC_CLOCK_RATE * 2);
}
- rtc_time_to_tm(time, tm);
+ rtc_time64_to_tm(time, tm);
return rtc_valid_tm(tm);
}
static int ab3100_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm)
{
- unsigned long time;
- u64 fat_time;
+ time64_t time;
+ u64 hw_counter;
u8 buf[6];
u8 rtcval;
int err;
@@ -134,11 +133,11 @@ static int ab3100_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm)
AB3100_AL0, buf, 4);
if (err)
return err;
- fat_time = ((u64) buf[3] << 40) | ((u64) buf[2] << 32) |
+ hw_counter = ((u64) buf[3] << 40) | ((u64) buf[2] << 32) |
((u64) buf[1] << 24) | ((u64) buf[0] << 16);
- time = (unsigned long) (fat_time / (u64) (AB3100_RTC_CLOCK_RATE * 2));
+ time = hw_counter / (u64) (AB3100_RTC_CLOCK_RATE * 2);
- rtc_time_to_tm(time, &alarm->time);
+ rtc_time64_to_tm(time, &alarm->time);
return rtc_valid_tm(&alarm->time);
}
@@ -147,17 +146,17 @@ static int ab3100_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
{
u8 regs[] = {AB3100_AL0, AB3100_AL1, AB3100_AL2, AB3100_AL3};
unsigned char buf[4];
- unsigned long secs;
- u64 fat_time;
+ time64_t secs;
+ u64 hw_counter;
int err;
int i;
- rtc_tm_to_time(&alarm->time, &secs);
- fat_time = (u64) secs * AB3100_RTC_CLOCK_RATE * 2;
- buf[0] = (fat_time >> 16) & 0xFF;
- buf[1] = (fat_time >> 24) & 0xFF;
- buf[2] = (fat_time >> 32) & 0xFF;
- buf[3] = (fat_time >> 40) & 0xFF;
+ secs = rtc_tm_to_time64(&alarm->time);
+ hw_counter = secs * AB3100_RTC_CLOCK_RATE * 2;
+ buf[0] = (hw_counter >> 16) & 0xFF;
+ buf[1] = (hw_counter >> 24) & 0xFF;
+ buf[2] = (hw_counter >> 32) & 0xFF;
+ buf[3] = (hw_counter >> 40) & 0xFF;
/* Set the alarm */
for (i = 0; i < 4; i++) {
@@ -193,7 +192,7 @@ static int ab3100_rtc_irq_enable(struct device *dev, unsigned int enabled)
static const struct rtc_class_ops ab3100_rtc_ops = {
.read_time = ab3100_rtc_read_time,
- .set_mmss = ab3100_rtc_set_mmss,
+ .set_mmss64 = ab3100_rtc_set_mmss,
.read_alarm = ab3100_rtc_read_alarm,
.set_alarm = ab3100_rtc_set_alarm,
.alarm_irq_enable = ab3100_rtc_irq_enable,
diff --git a/drivers/rtc/rtc-hid-sensor-time.c b/drivers/rtc/rtc-hid-sensor-time.c
index ae7c2ba440cf..af4f85a66b39 100644
--- a/drivers/rtc/rtc-hid-sensor-time.c
+++ b/drivers/rtc/rtc-hid-sensor-time.c
@@ -213,7 +213,7 @@ static int hid_rtc_read_time(struct device *dev, struct rtc_time *tm)
/* get a report with all values through requesting one value */
sensor_hub_input_attr_get_raw_value(time_state->common_attributes.hsdev,
HID_USAGE_SENSOR_TIME, hid_time_addresses[0],
- time_state->info[0].report_id);
+ time_state->info[0].report_id, SENSOR_HUB_SYNC);
/* wait for all values (event) */
ret = wait_for_completion_killable_timeout(
&time_state->comp_last_time, HZ*6);
diff --git a/drivers/rtc/rtc-mc13xxx.c b/drivers/rtc/rtc-mc13xxx.c
index 5bce904b7ee6..32df1d812367 100644
--- a/drivers/rtc/rtc-mc13xxx.c
+++ b/drivers/rtc/rtc-mc13xxx.c
@@ -83,20 +83,19 @@ static int mc13xxx_rtc_read_time(struct device *dev, struct rtc_time *tm)
return ret;
} while (days1 != days2);
- rtc_time_to_tm(days1 * SEC_PER_DAY + seconds, tm);
+ rtc_time64_to_tm((time64_t)days1 * SEC_PER_DAY + seconds, tm);
return rtc_valid_tm(tm);
}
-static int mc13xxx_rtc_set_mmss(struct device *dev, unsigned long secs)
+static int mc13xxx_rtc_set_mmss(struct device *dev, time64_t secs)
{
struct mc13xxx_rtc *priv = dev_get_drvdata(dev);
unsigned int seconds, days;
unsigned int alarmseconds;
int ret;
- seconds = secs % SEC_PER_DAY;
- days = secs / SEC_PER_DAY;
+ days = div_s64_rem(secs, SEC_PER_DAY, &seconds);
mc13xxx_lock(priv->mc13xxx);
@@ -159,7 +158,7 @@ static int mc13xxx_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm)
{
struct mc13xxx_rtc *priv = dev_get_drvdata(dev);
unsigned seconds, days;
- unsigned long s1970;
+ time64_t s1970;
int enabled, pending;
int ret;
@@ -189,10 +188,10 @@ out:
alarm->enabled = enabled;
alarm->pending = pending;
- s1970 = days * SEC_PER_DAY + seconds;
+ s1970 = (time64_t)days * SEC_PER_DAY + seconds;
- rtc_time_to_tm(s1970, &alarm->time);
- dev_dbg(dev, "%s: %lu\n", __func__, s1970);
+ rtc_time64_to_tm(s1970, &alarm->time);
+ dev_dbg(dev, "%s: %lld\n", __func__, (long long)s1970);
return 0;
}
@@ -200,8 +199,8 @@ out:
static int mc13xxx_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
{
struct mc13xxx_rtc *priv = dev_get_drvdata(dev);
- unsigned long s1970;
- unsigned seconds, days;
+ time64_t s1970;
+ u32 seconds, days;
int ret;
mc13xxx_lock(priv->mc13xxx);
@@ -215,20 +214,17 @@ static int mc13xxx_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
if (unlikely(ret))
goto out;
- ret = rtc_tm_to_time(&alarm->time, &s1970);
- if (unlikely(ret))
- goto out;
+ s1970 = rtc_tm_to_time64(&alarm->time);
- dev_dbg(dev, "%s: o%2.s %lu\n", __func__, alarm->enabled ? "n" : "ff",
- s1970);
+ dev_dbg(dev, "%s: o%2.s %lld\n", __func__, alarm->enabled ? "n" : "ff",
+ (long long)s1970);
ret = mc13xxx_rtc_irq_enable_unlocked(dev, alarm->enabled,
MC13XXX_IRQ_TODA);
if (unlikely(ret))
goto out;
- seconds = s1970 % SEC_PER_DAY;
- days = s1970 / SEC_PER_DAY;
+ days = div_s64_rem(s1970, SEC_PER_DAY, &seconds);
ret = mc13xxx_reg_write(priv->mc13xxx, MC13XXX_RTCDAYA, days);
if (unlikely(ret))
@@ -268,7 +264,7 @@ static irqreturn_t mc13xxx_rtc_update_handler(int irq, void *dev)
static const struct rtc_class_ops mc13xxx_rtc_ops = {
.read_time = mc13xxx_rtc_read_time,
- .set_mmss = mc13xxx_rtc_set_mmss,
+ .set_mmss64 = mc13xxx_rtc_set_mmss,
.read_alarm = mc13xxx_rtc_read_alarm,
.set_alarm = mc13xxx_rtc_set_alarm,
.alarm_irq_enable = mc13xxx_rtc_alarm_irq_enable,
diff --git a/drivers/rtc/rtc-mxc.c b/drivers/rtc/rtc-mxc.c
index 3c3f8d10ab43..09d422b9f7f7 100644
--- a/drivers/rtc/rtc-mxc.c
+++ b/drivers/rtc/rtc-mxc.c
@@ -106,7 +106,7 @@ static inline int is_imx1_rtc(struct rtc_plat_data *data)
* This function is used to obtain the RTC time or the alarm value in
* second.
*/
-static u32 get_alarm_or_time(struct device *dev, int time_alarm)
+static time64_t get_alarm_or_time(struct device *dev, int time_alarm)
{
struct platform_device *pdev = to_platform_device(dev);
struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
@@ -129,29 +129,28 @@ static u32 get_alarm_or_time(struct device *dev, int time_alarm)
hr = hr_min >> 8;
min = hr_min & 0xff;
- return (((day * 24 + hr) * 60) + min) * 60 + sec;
+ return ((((time64_t)day * 24 + hr) * 60) + min) * 60 + sec;
}
/*
* This function sets the RTC alarm value or the time value.
*/
-static void set_alarm_or_time(struct device *dev, int time_alarm, u32 time)
+static void set_alarm_or_time(struct device *dev, int time_alarm, time64_t time)
{
- u32 day, hr, min, sec, temp;
+ u32 tod, day, hr, min, sec, temp;
struct platform_device *pdev = to_platform_device(dev);
struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
void __iomem *ioaddr = pdata->ioaddr;
- day = time / 86400;
- time -= day * 86400;
+ day = div_s64_rem(time, 86400, &tod);
/* time is within a day now */
- hr = time / 3600;
- time -= hr * 3600;
+ hr = tod / 3600;
+ tod -= hr * 3600;
/* time is within an hour now */
- min = time / 60;
- sec = time - min * 60;
+ min = tod / 60;
+ sec = tod - min * 60;
temp = (hr << 8) + min;
@@ -173,29 +172,18 @@ static void set_alarm_or_time(struct device *dev, int time_alarm, u32 time)
* This function updates the RTC alarm registers and then clears all the
* interrupt status bits.
*/
-static int rtc_update_alarm(struct device *dev, struct rtc_time *alrm)
+static void rtc_update_alarm(struct device *dev, struct rtc_time *alrm)
{
- struct rtc_time alarm_tm, now_tm;
- unsigned long now, time;
+ time64_t time;
struct platform_device *pdev = to_platform_device(dev);
struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
void __iomem *ioaddr = pdata->ioaddr;
- now = get_alarm_or_time(dev, MXC_RTC_TIME);
- rtc_time_to_tm(now, &now_tm);
- alarm_tm.tm_year = now_tm.tm_year;
- alarm_tm.tm_mon = now_tm.tm_mon;
- alarm_tm.tm_mday = now_tm.tm_mday;
- alarm_tm.tm_hour = alrm->tm_hour;
- alarm_tm.tm_min = alrm->tm_min;
- alarm_tm.tm_sec = alrm->tm_sec;
- rtc_tm_to_time(&alarm_tm, &time);
+ time = rtc_tm_to_time64(alrm);
/* clear all the interrupt status bits */
writew(readw(ioaddr + RTC_RTCISR), ioaddr + RTC_RTCISR);
set_alarm_or_time(dev, MXC_RTC_ALARM, time);
-
- return 0;
}
static void mxc_rtc_irq_enable(struct device *dev, unsigned int bit,
@@ -283,14 +271,14 @@ static int mxc_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
*/
static int mxc_rtc_read_time(struct device *dev, struct rtc_time *tm)
{
- u32 val;
+ time64_t val;
/* Avoid roll-over from reading the different registers */
do {
val = get_alarm_or_time(dev, MXC_RTC_TIME);
} while (val != get_alarm_or_time(dev, MXC_RTC_TIME));
- rtc_time_to_tm(val, tm);
+ rtc_time64_to_tm(val, tm);
return 0;
}
@@ -298,7 +286,7 @@ static int mxc_rtc_read_time(struct device *dev, struct rtc_time *tm)
/*
* This function sets the internal RTC time based on tm in Gregorian date.
*/
-static int mxc_rtc_set_mmss(struct device *dev, unsigned long time)
+static int mxc_rtc_set_mmss(struct device *dev, time64_t time)
{
struct platform_device *pdev = to_platform_device(dev);
struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
@@ -309,9 +297,9 @@ static int mxc_rtc_set_mmss(struct device *dev, unsigned long time)
if (is_imx1_rtc(pdata)) {
struct rtc_time tm;
- rtc_time_to_tm(time, &tm);
+ rtc_time64_to_tm(time, &tm);
tm.tm_year = 70;
- rtc_tm_to_time(&tm, &time);
+ time = rtc_tm_to_time64(&tm);
}
/* Avoid roll-over from reading the different registers */
@@ -333,7 +321,7 @@ static int mxc_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
void __iomem *ioaddr = pdata->ioaddr;
- rtc_time_to_tm(get_alarm_or_time(dev, MXC_RTC_ALARM), &alrm->time);
+ rtc_time64_to_tm(get_alarm_or_time(dev, MXC_RTC_ALARM), &alrm->time);
alrm->pending = ((readw(ioaddr + RTC_RTCISR) & RTC_ALM_BIT)) ? 1 : 0;
return 0;
@@ -346,11 +334,8 @@ static int mxc_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
{
struct platform_device *pdev = to_platform_device(dev);
struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
- int ret;
- ret = rtc_update_alarm(dev, &alrm->time);
- if (ret)
- return ret;
+ rtc_update_alarm(dev, &alrm->time);
memcpy(&pdata->g_rtc_alarm, &alrm->time, sizeof(struct rtc_time));
mxc_rtc_irq_enable(dev, RTC_ALM_BIT, alrm->enabled);
@@ -362,7 +347,7 @@ static int mxc_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
static struct rtc_class_ops mxc_rtc_ops = {
.release = mxc_rtc_release,
.read_time = mxc_rtc_read_time,
- .set_mmss = mxc_rtc_set_mmss,
+ .set_mmss64 = mxc_rtc_set_mmss,
.read_alarm = mxc_rtc_read_alarm,
.set_alarm = mxc_rtc_set_alarm,
.alarm_irq_enable = mxc_rtc_alarm_irq_enable,
diff --git a/drivers/rtc/rtc-s5m.c b/drivers/rtc/rtc-s5m.c
index 89ac1d5083c6..4008b84246ca 100644
--- a/drivers/rtc/rtc-s5m.c
+++ b/drivers/rtc/rtc-s5m.c
@@ -48,8 +48,6 @@ struct s5m_rtc_reg_config {
unsigned int alarm0;
/* First register for alarm 1, seconds */
unsigned int alarm1;
- /* SMPL/WTSR register */
- unsigned int smpl_wtsr;
/*
* Register for update flag (UDR). Typically setting UDR field to 1
* will enable update of time or alarm register. Then it will be
@@ -67,7 +65,6 @@ static const struct s5m_rtc_reg_config s5m_rtc_regs = {
.ctrl = S5M_ALARM1_CONF,
.alarm0 = S5M_ALARM0_SEC,
.alarm1 = S5M_ALARM1_SEC,
- .smpl_wtsr = S5M_WTSR_SMPL_CNTL,
.rtc_udr_update = S5M_RTC_UDR_CON,
.rtc_udr_mask = S5M_RTC_UDR_MASK,
};
@@ -82,7 +79,6 @@ static const struct s5m_rtc_reg_config s2mps_rtc_regs = {
.ctrl = S2MPS_RTC_CTRL,
.alarm0 = S2MPS_ALARM0_SEC,
.alarm1 = S2MPS_ALARM1_SEC,
- .smpl_wtsr = S2MPS_WTSR_SMPL_CNTL,
.rtc_udr_update = S2MPS_RTC_UDR_CON,
.rtc_udr_mask = S2MPS_RTC_WUDR_MASK,
};
@@ -96,7 +92,6 @@ struct s5m_rtc_info {
int irq;
int device_type;
int rtc_24hr_mode;
- bool wtsr_smpl;
const struct s5m_rtc_reg_config *regs;
};
@@ -597,28 +592,6 @@ static const struct rtc_class_ops s5m_rtc_ops = {
.alarm_irq_enable = s5m_rtc_alarm_irq_enable,
};
-static void s5m_rtc_enable_wtsr(struct s5m_rtc_info *info, bool enable)
-{
- int ret;
- ret = regmap_update_bits(info->regmap, info->regs->smpl_wtsr,
- WTSR_ENABLE_MASK,
- enable ? WTSR_ENABLE_MASK : 0);
- if (ret < 0)
- dev_err(info->dev, "%s: fail to update WTSR reg(%d)\n",
- __func__, ret);
-}
-
-static void s5m_rtc_enable_smpl(struct s5m_rtc_info *info, bool enable)
-{
- int ret;
- ret = regmap_update_bits(info->regmap, info->regs->smpl_wtsr,
- SMPL_ENABLE_MASK,
- enable ? SMPL_ENABLE_MASK : 0);
- if (ret < 0)
- dev_err(info->dev, "%s: fail to update SMPL reg(%d)\n",
- __func__, ret);
-}
-
static int s5m8767_rtc_init_reg(struct s5m_rtc_info *info)
{
u8 data[2];
@@ -715,7 +688,6 @@ static int s5m_rtc_probe(struct platform_device *pdev)
info->dev = &pdev->dev;
info->s5m87xx = s5m87xx;
info->device_type = s5m87xx->device_type;
- info->wtsr_smpl = s5m87xx->wtsr_smpl;
if (s5m87xx->irq_data) {
info->irq = regmap_irq_get_virq(s5m87xx->irq_data, alarm_irq);
@@ -731,11 +703,6 @@ static int s5m_rtc_probe(struct platform_device *pdev)
ret = s5m8767_rtc_init_reg(info);
- if (info->wtsr_smpl) {
- s5m_rtc_enable_wtsr(info, true);
- s5m_rtc_enable_smpl(info, true);
- }
-
device_init_wakeup(&pdev->dev, 1);
info->rtc_dev = devm_rtc_device_register(&pdev->dev, "s5m-rtc",
@@ -768,36 +735,10 @@ err:
return ret;
}
-static void s5m_rtc_shutdown(struct platform_device *pdev)
-{
- struct s5m_rtc_info *info = platform_get_drvdata(pdev);
- int i;
- unsigned int val = 0;
- if (info->wtsr_smpl) {
- for (i = 0; i < 3; i++) {
- s5m_rtc_enable_wtsr(info, false);
- regmap_read(info->regmap, info->regs->smpl_wtsr, &val);
- pr_debug("%s: WTSR_SMPL reg(0x%02x)\n", __func__, val);
- if (val & WTSR_ENABLE_MASK)
- pr_emerg("%s: fail to disable WTSR\n",
- __func__);
- else {
- pr_info("%s: success to disable WTSR\n",
- __func__);
- break;
- }
- }
- }
- /* Disable SMPL when power off */
- s5m_rtc_enable_smpl(info, false);
-}
-
static int s5m_rtc_remove(struct platform_device *pdev)
{
struct s5m_rtc_info *info = platform_get_drvdata(pdev);
- /* Perform also all shutdown steps when removing */
- s5m_rtc_shutdown(pdev);
i2c_unregister_device(info->i2c);
return 0;
@@ -842,7 +783,6 @@ static struct platform_driver s5m_rtc_driver = {
},
.probe = s5m_rtc_probe,
.remove = s5m_rtc_remove,
- .shutdown = s5m_rtc_shutdown,
.id_table = s5m_rtc_id,
};
diff --git a/drivers/rtc/rtc-test.c b/drivers/rtc/rtc-test.c
index 8f86fa91de1a..3a2da4c892d6 100644
--- a/drivers/rtc/rtc-test.c
+++ b/drivers/rtc/rtc-test.c
@@ -13,6 +13,10 @@
#include <linux/rtc.h>
#include <linux/platform_device.h>
+static int test_mmss64;
+module_param(test_mmss64, int, 0644);
+MODULE_PARM_DESC(test_mmss64, "Test struct rtc_class_ops.set_mmss64().");
+
static struct platform_device *test0 = NULL, *test1 = NULL;
static int test_rtc_read_alarm(struct device *dev,
@@ -30,7 +34,13 @@ static int test_rtc_set_alarm(struct device *dev,
static int test_rtc_read_time(struct device *dev,
struct rtc_time *tm)
{
- rtc_time_to_tm(get_seconds(), tm);
+ rtc_time64_to_tm(ktime_get_real_seconds(), tm);
+ return 0;
+}
+
+static int test_rtc_set_mmss64(struct device *dev, time64_t secs)
+{
+ dev_info(dev, "%s, secs = %lld\n", __func__, (long long)secs);
return 0;
}
@@ -55,7 +65,7 @@ static int test_rtc_alarm_irq_enable(struct device *dev, unsigned int enable)
return 0;
}
-static const struct rtc_class_ops test_rtc_ops = {
+static struct rtc_class_ops test_rtc_ops = {
.proc = test_rtc_proc,
.read_time = test_rtc_read_time,
.read_alarm = test_rtc_read_alarm,
@@ -101,6 +111,11 @@ static int test_probe(struct platform_device *plat_dev)
int err;
struct rtc_device *rtc;
+ if (test_mmss64) {
+ test_rtc_ops.set_mmss64 = test_rtc_set_mmss64;
+ test_rtc_ops.set_mmss = NULL;
+ }
+
rtc = devm_rtc_device_register(&plat_dev->dev, "test",
&test_rtc_ops, THIS_MODULE);
if (IS_ERR(rtc)) {
diff --git a/drivers/rtc/systohc.c b/drivers/rtc/systohc.c
index eb71872d0361..7728d5e32bf4 100644
--- a/drivers/rtc/systohc.c
+++ b/drivers/rtc/systohc.c
@@ -11,7 +11,7 @@
* rtc_set_ntp_time - Save NTP synchronized time to the RTC
* @now: Current time of day
*
- * Replacement for the NTP platform function update_persistent_clock
+ * Replacement for the NTP platform function update_persistent_clock64
* that stores time for later retrieval by rtc_hctosys.
*
* Returns 0 on successful RTC update, -ENODEV if a RTC update is not
@@ -35,7 +35,10 @@ int rtc_set_ntp_time(struct timespec64 now)
if (rtc) {
/* rtc_hctosys exclusively uses UTC, so we call set_time here,
* not set_mmss. */
- if (rtc->ops && (rtc->ops->set_time || rtc->ops->set_mmss))
+ if (rtc->ops &&
+ (rtc->ops->set_time ||
+ rtc->ops->set_mmss64 ||
+ rtc->ops->set_mmss))
err = rtc_set_time(rtc, &tm);
rtc_class_close(rtc);
}