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path: root/drivers/rtc/rtc-fsl-ftm-alarm.c
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Diffstat (limited to 'drivers/rtc/rtc-fsl-ftm-alarm.c')
-rw-r--r--drivers/rtc/rtc-fsl-ftm-alarm.c24
1 files changed, 6 insertions, 18 deletions
diff --git a/drivers/rtc/rtc-fsl-ftm-alarm.c b/drivers/rtc/rtc-fsl-ftm-alarm.c
index 8df2075af9a2..9e6e994cce99 100644
--- a/drivers/rtc/rtc-fsl-ftm-alarm.c
+++ b/drivers/rtc/rtc-fsl-ftm-alarm.c
@@ -180,10 +180,7 @@ static int ftm_rtc_alarm_irq_enable(struct device *dev,
*/
static int ftm_rtc_read_time(struct device *dev, struct rtc_time *tm)
{
- struct timespec64 ts64;
-
- ktime_get_real_ts64(&ts64);
- rtc_time_to_tm(ts64.tv_sec, tm);
+ rtc_time64_to_tm(ktime_get_real_seconds(), tm);
return 0;
}
@@ -206,16 +203,14 @@ static int ftm_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alm)
*/
static int ftm_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
{
- struct rtc_time tm;
- unsigned long now, alm_time, cycle;
+ time64_t alm_time;
+ unsigned long long cycle;
struct ftm_rtc *rtc = dev_get_drvdata(dev);
- ftm_rtc_read_time(dev, &tm);
- rtc_tm_to_time(&tm, &now);
- rtc_tm_to_time(&alm->time, &alm_time);
+ alm_time = rtc_tm_to_time64(&alm->time);
ftm_clean_alarm(rtc);
- cycle = (alm_time - now) * rtc->alarm_freq;
+ cycle = (alm_time - ktime_get_real_seconds()) * rtc->alarm_freq;
if (cycle > MAX_COUNT_VAL) {
pr_err("Out of alarm range {0~262} seconds.\n");
return -ERANGE;
@@ -248,7 +243,6 @@ static const struct rtc_class_ops ftm_rtc_ops = {
static int ftm_rtc_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
- struct resource *r;
int irq;
int ret;
struct ftm_rtc *rtc;
@@ -265,13 +259,7 @@ static int ftm_rtc_probe(struct platform_device *pdev)
if (IS_ERR(rtc->rtc_dev))
return PTR_ERR(rtc->rtc_dev);
- r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!r) {
- dev_err(&pdev->dev, "cannot get resource for rtc\n");
- return -ENODEV;
- }
-
- rtc->base = devm_ioremap_resource(&pdev->dev, r);
+ rtc->base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(rtc->base)) {
dev_err(&pdev->dev, "cannot ioremap resource for rtc\n");
return PTR_ERR(rtc->base);