Signed-off-by: Peter Mamonov <pmamonov@xxxxxxxxx>
---
common/clock.c | 8 ++++++++
include/clock.h | 1 +
include/common.h | 1 +
3 files changed, 10 insertions(+)
diff --git a/common/clock.c b/common/clock.c
index 35c9e6c..51cf9e4 100644
--- a/common/clock.c
+++ b/common/clock.c
@@ -202,6 +202,14 @@ void mdelay(unsigned long msecs)
}
EXPORT_SYMBOL(mdelay);
+void mdelay_non_interruptible(unsigned long msecs)
+{
+ uint64_t start = get_time_ns();
+
+ while(!is_timeout_non_interruptible(start, msecs * MSECOND));
+}
+EXPORT_SYMBOL(mdelay_non_interruptible);
+
int init_clock(struct clocksource *cs)
{
current_clock = cs;
diff --git a/include/clock.h b/include/clock.h
index 691befc..68d71d7 100644
--- a/include/clock.h
+++ b/include/clock.h
@@ -38,6 +38,7 @@ int is_timeout_non_interruptible(uint64_t start_ns, uint64_t time_offset_ns);
void ndelay(unsigned long nsecs);
void mdelay(unsigned long msecs);
+void mdelay_non_interruptible (unsigned long msecs);
#define SECOND ((uint64_t)(1000 * 1000 * 1000))
#define MSECOND ((uint64_t)(1000 * 1000))
diff --git a/include/common.h b/include/common.h
index 553a7f4..c576908 100644
--- a/include/common.h
+++ b/include/common.h
@@ -72,6 +72,7 @@ void __noreturn poweroff(void);
/* lib_$(ARCH)/time.c */
void udelay (unsigned long);
void mdelay (unsigned long);
+void mdelay_non_interruptible (unsigned long);
/* lib_generic/crc32.c */
uint32_t crc32(uint32_t, const void*, unsigned int);
--
2.1.4
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