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rtc: Add fallbacks for dm functions

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This adds fallbacks for the various dm_rtc_* functions. This allows
common code to use these functions without ifdefs.

Fixes: c8ce7ba87d ("misc: Add support for nvmem cells")
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Sean Anderson <sean.anderson@seco.com>
This commit is contained in:
Sean Anderson 2022-11-22 12:54:52 -05:00 committed by Tom Rini
parent 0db588caf9
commit 640aecb416
1 changed files with 29 additions and 3 deletions
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32
include/rtc.h
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@ -15,13 +15,12 @@
#include <bcd.h>
#include <rtc_def.h>
#include <linux/errno.h>
typedef int64_t time64_t;
#ifdef CONFIG_DM_RTC
struct udevice;
#if CONFIG_IS_ENABLED(DM_RTC)
struct rtc_ops {
/**
* get() - get the current time
@ -222,6 +221,33 @@ int rtc_enable_32khz_output(int busnum, int chip_addr);
#endif
#else
static inline int dm_rtc_get(struct udevice *dev, struct rtc_time *time)
{
return -ENOSYS;
}
static inline int dm_rtc_set(struct udevice *dev, struct rtc_time *time)
{
return -ENOSYS;
}
static inline int dm_rtc_reset(struct udevice *dev)
{
return -ENOSYS;
}
static inline int dm_rtc_read(struct udevice *dev, unsigned int reg, u8 *buf,
unsigned int len)
{
return -ENOSYS;
}
static inline int dm_rtc_write(struct udevice *dev, unsigned int reg,
const u8 *buf, unsigned int len)
{
return -ENOSYS;
}
int rtc_get (struct rtc_time *);
int rtc_set (struct rtc_time *);
void rtc_reset (void);