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Date: Tue, 20 Jun 2017 11:35:12 +0200
From: Benjamin Gaignard <benjamin.gaignard@...aro.org>
To: benjamin.gaignard@...aro.org
Cc: linaro-kernel@...ts.linaro.org,
Alessandro Zummo <a.zummo@...ertech.it>,
Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
rtc-linux@...glegroups.com, linux-kernel@...r.kernel.org
Subject: [PATCH 04/51] rtc: 88pm80x: stop using rtc deprecated functions
rtc_time_to_tm() and rtc_tm_to_time() are deprecated because they
rely on 32bits variables and that will make rtc break in y2038/2016.
Stop using those two functions to safer 64bits ones.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...aro.org>
CC: Alessandro Zummo <a.zummo@...ertech.it>
CC: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
CC: rtc-linux@...glegroups.com
CC: linux-kernel@...r.kernel.org
---
drivers/rtc/rtc-88pm80x.c | 44 ++++++++++++++++++++++----------------------
1 file changed, 22 insertions(+), 22 deletions(-)
diff --git a/drivers/rtc/rtc-88pm80x.c b/drivers/rtc/rtc-88pm80x.c
index 466bf7f..1898e9b 100644
--- a/drivers/rtc/rtc-88pm80x.c
+++ b/drivers/rtc/rtc-88pm80x.c
@@ -90,8 +90,8 @@ static int pm80x_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
static void rtc_next_alarm_time(struct rtc_time *next, struct rtc_time *now,
struct rtc_time *alrm)
{
- unsigned long next_time;
- unsigned long now_time;
+ unsigned long long next_time;
+ unsigned long long now_time;
next->tm_year = now->tm_year;
next->tm_mon = now->tm_mon;
@@ -100,13 +100,13 @@ static void rtc_next_alarm_time(struct rtc_time *next, struct rtc_time *now,
next->tm_min = alrm->tm_min;
next->tm_sec = alrm->tm_sec;
- rtc_tm_to_time(now, &now_time);
- rtc_tm_to_time(next, &next_time);
+ now_time = rtc_tm_to_time64(now);
+ next_time = rtc_tm_to_time64(next);
if (next_time < now_time) {
/* Advance one day */
next_time += 60 * 60 * 24;
- rtc_time_to_tm(next_time, next);
+ rtc_time64_to_tm(next_time, next);
}
}
@@ -114,7 +114,7 @@ static int pm80x_rtc_read_time(struct device *dev, struct rtc_time *tm)
{
struct pm80x_rtc_info *info = dev_get_drvdata(dev);
unsigned char buf[4];
- unsigned long ticks, base, data;
+ unsigned long long ticks, base, data;
regmap_raw_read(info->map, PM800_RTC_EXPIRE2_1, buf, 4);
base = (buf[3] << 24) | (buf[2] << 16) | (buf[1] << 8) | buf[0];
dev_dbg(info->dev, "%x-%x-%x-%x\n", buf[0], buf[1], buf[2], buf[3]);
@@ -123,9 +123,9 @@ static int pm80x_rtc_read_time(struct device *dev, struct rtc_time *tm)
regmap_raw_read(info->map, PM800_RTC_COUNTER1, buf, 4);
data = (buf[3] << 24) | (buf[2] << 16) | (buf[1] << 8) | buf[0];
ticks = base + data;
- dev_dbg(info->dev, "get base:0x%lx, RO count:0x%lx, ticks:0x%lx\n",
+ dev_dbg(info->dev, "get base:0x%llx, RO count:0x%llx, ticks:0x%llx\n",
base, data, ticks);
- rtc_time_to_tm(ticks, tm);
+ rtc_time64_to_tm(ticks, tm);
return 0;
}
@@ -133,20 +133,20 @@ static int pm80x_rtc_set_time(struct device *dev, struct rtc_time *tm)
{
struct pm80x_rtc_info *info = dev_get_drvdata(dev);
unsigned char buf[4];
- unsigned long ticks, base, data;
+ unsigned long long ticks, base, data;
if ((tm->tm_year < 70) || (tm->tm_year > 138)) {
dev_dbg(info->dev,
"Set time %d out of range. Please set time between 1970 to 2038.\n",
1900 + tm->tm_year);
return -EINVAL;
}
- rtc_tm_to_time(tm, &ticks);
+ ticks = rtc_tm_to_time64(tm);
/* load 32-bit read-only counter */
regmap_raw_read(info->map, PM800_RTC_COUNTER1, buf, 4);
data = (buf[3] << 24) | (buf[2] << 16) | (buf[1] << 8) | buf[0];
base = ticks - data;
- dev_dbg(info->dev, "set base:0x%lx, RO count:0x%lx, ticks:0x%lx\n",
+ dev_dbg(info->dev, "set base:0x%llx, RO count:0x%llx, ticks:0x%llx\n",
base, data, ticks);
buf[0] = base & 0xFF;
buf[1] = (base >> 8) & 0xFF;
@@ -161,7 +161,7 @@ static int pm80x_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
{
struct pm80x_rtc_info *info = dev_get_drvdata(dev);
unsigned char buf[4];
- unsigned long ticks, base, data;
+ unsigned long long ticks, base, data;
int ret;
regmap_raw_read(info->map, PM800_RTC_EXPIRE2_1, buf, 4);
@@ -171,10 +171,10 @@ static int pm80x_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
regmap_raw_read(info->map, PM800_RTC_EXPIRE1_1, buf, 4);
data = (buf[3] << 24) | (buf[2] << 16) | (buf[1] << 8) | buf[0];
ticks = base + data;
- dev_dbg(info->dev, "get base:0x%lx, RO count:0x%lx, ticks:0x%lx\n",
+ dev_dbg(info->dev, "get base:0x%llx, RO count:0x%llx, ticks:0x%llx\n",
base, data, ticks);
- rtc_time_to_tm(ticks, &alrm->time);
+ rtc_time64_to_tm(ticks, &alrm->time);
regmap_read(info->map, PM800_RTC_CONTROL, &ret);
alrm->enabled = (ret & PM800_ALARM1_EN) ? 1 : 0;
alrm->pending = (ret & (PM800_ALARM | PM800_ALARM_WAKEUP)) ? 1 : 0;
@@ -185,7 +185,7 @@ static int pm80x_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
{
struct pm80x_rtc_info *info = dev_get_drvdata(dev);
struct rtc_time now_tm, alarm_tm;
- unsigned long ticks, base, data;
+ unsigned long long ticks, base, data;
unsigned char buf[4];
int mask;
@@ -199,15 +199,15 @@ static int pm80x_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
regmap_raw_read(info->map, PM800_RTC_COUNTER1, buf, 4);
data = (buf[3] << 24) | (buf[2] << 16) | (buf[1] << 8) | buf[0];
ticks = base + data;
- dev_dbg(info->dev, "get base:0x%lx, RO count:0x%lx, ticks:0x%lx\n",
+ dev_dbg(info->dev, "get base:0x%llx, RO count:0x%llx, ticks:0x%llx\n",
base, data, ticks);
- rtc_time_to_tm(ticks, &now_tm);
- dev_dbg(info->dev, "%s, now time : %lu\n", __func__, ticks);
+ rtc_time64_to_tm(ticks, &now_tm);
+ dev_dbg(info->dev, "%s, now time : %llu\n", __func__, ticks);
rtc_next_alarm_time(&alarm_tm, &now_tm, &alrm->time);
/* get new ticks for alarm in 24 hours */
- rtc_tm_to_time(&alarm_tm, &ticks);
- dev_dbg(info->dev, "%s, alarm time: %lu\n", __func__, ticks);
+ ticks = rtc_tm_to_time64(&alarm_tm);
+ dev_dbg(info->dev, "%s, alarm time: %llu\n", __func__, ticks);
data = ticks - base;
buf[0] = data & 0xff;
@@ -255,7 +255,7 @@ static int pm80x_rtc_probe(struct platform_device *pdev)
struct pm80x_rtc_info *info;
struct device_node *node = pdev->dev.of_node;
struct rtc_time tm;
- unsigned long ticks = 0;
+ unsigned long long ticks = 0;
int ret;
if (!pdata && !node) {
@@ -320,7 +320,7 @@ static int pm80x_rtc_probe(struct platform_device *pdev)
goto out_rtc;
}
}
- rtc_tm_to_time(&tm, &ticks);
+ ticks = rtc_tm_to_time64(&tm);
info->rtc_dev = devm_rtc_device_register(&pdev->dev, "88pm80x-rtc",
&pm80x_rtc_ops, THIS_MODULE);
--
1.9.1
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