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ANDROID: rtc: class: support hctosys from modular RTC drivers

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In order to support setting the system time from modular RTC drivers
via the hctosys mechanism, check at the end of RTC device registration
for whether the time should be synced, rather than once at late init.

Bug: 144103362
Bug: 143046457
Change-Id: I65d2fd14e075a65f2a23e1268b02c907c5245fb8
Signed-off-by: Steve Muckle <smuckle@google.com>
This commit is contained in:
Steve Muckle 2020-02-20 11:51:05 -08:00 committed by Alistair Delva
parent a59152c40f
commit 14ad431cdd
3 changed files with 10 additions and 3 deletions
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5
drivers/rtc/class.c
View File

@ -375,6 +375,11 @@ int __rtc_register_device(struct module *owner, struct rtc_device *rtc)
dev_info(rtc->dev.parent, "registered as %s\n",
dev_name(&rtc->dev));
#ifdef CONFIG_RTC_HCTOSYS_DEVICE
if (!strcmp(dev_name(&rtc->dev), CONFIG_RTC_HCTOSYS_DEVICE))
rtc_hctosys();
#endif
return 0;
}
EXPORT_SYMBOL_GPL(__rtc_register_device);

4
drivers/rtc/hctosys.c
View File

@ -21,7 +21,7 @@
* the best guess is to add 0.5s.
*/
static int __init rtc_hctosys(void)
int rtc_hctosys(void)
{
int err = -ENODEV;
struct rtc_time tm;
@ -65,5 +65,3 @@ static int __init rtc_hctosys(void)
return err;
}
late_initcall(rtc_hctosys);

4
drivers/rtc/rtc-core.h
View File

@ -46,3 +46,7 @@ static inline const struct attribute_group **rtc_get_dev_attribute_groups(void)
return NULL;
}
#endif
#ifdef CONFIG_RTC_HCTOSYS
extern int rtc_hctosys(void);
#endif