summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--arch/parisc/kernel/time.c36
-rw-r--r--drivers/rtc/rtc-generic.c3
2 files changed, 36 insertions, 3 deletions
diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c
index 58dd6801f5be..744878789752 100644
--- a/arch/parisc/kernel/time.c
+++ b/arch/parisc/kernel/time.c
@@ -12,6 +12,7 @@
*/
#include <linux/errno.h>
#include <linux/module.h>
+#include <linux/rtc.h>
#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/param.h>
@@ -248,14 +249,47 @@ void __init start_cpu_itimer(void)
per_cpu(cpu_data, cpu).it_value = next_tick;
}
+#if IS_ENABLED(CONFIG_RTC_DRV_GENERIC)
+static int rtc_generic_get_time(struct device *dev, struct rtc_time *tm)
+{
+ struct pdc_tod tod_data;
+
+ memset(tm, 0, sizeof(*tm));
+ if (pdc_tod_read(&tod_data) < 0)
+ return -EOPNOTSUPP;
+
+ /* we treat tod_sec as unsigned, so this can work until year 2106 */
+ rtc_time64_to_tm(tod_data.tod_sec, tm);
+ return rtc_valid_tm(tm);
+}
+
+static int rtc_generic_set_time(struct device *dev, struct rtc_time *tm)
+{
+ time64_t secs = rtc_tm_to_time64(tm);
+
+ if (pdc_tod_set(secs, 0) < 0)
+ return -EOPNOTSUPP;
+
+ return 0;
+}
+
+static const struct rtc_class_ops rtc_generic_ops = {
+ .read_time = rtc_generic_get_time,
+ .set_time = rtc_generic_set_time,
+};
+
static int __init rtc_init(void)
{
struct platform_device *pdev;
- pdev = platform_device_register_simple("rtc-generic", -1, NULL, 0);
+ pdev = platform_device_register_data(NULL, "rtc-generic", -1,
+ &rtc_generic_ops,
+ sizeof(rtc_generic_ops));
+
return PTR_ERR_OR_ZERO(pdev);
}
device_initcall(rtc_init);
+#endif
void read_persistent_clock(struct timespec *ts)
{
diff --git a/drivers/rtc/rtc-generic.c b/drivers/rtc/rtc-generic.c
index 3958e87a05fa..92b5e02a3750 100644
--- a/drivers/rtc/rtc-generic.c
+++ b/drivers/rtc/rtc-generic.c
@@ -9,8 +9,7 @@
#include <linux/platform_device.h>
#include <linux/rtc.h>
-#if defined(CONFIG_M68K) || defined(CONFIG_PARISC) || \
- defined(CONFIG_PPC)
+#if defined(CONFIG_M68K) || defined(CONFIG_PPC)
#include <asm/rtc.h>
static int generic_get_time(struct device *dev, struct rtc_time *tm)