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qcacmn: Get monotonic boottime from kernel in nano sec

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qcacld-2.0 to qca-wifi-host-cmn propogation

Add support to get the boot time from kernel in nano seconds.

Change-Id: Iaa512248a5e56d77cff39da562e0c9ee4eaeeefd
CRs-Fixed: 1107219
This commit is contained in:
Arunk Khandavalli 2017-01-03 20:04:22 +05:30 • committed by qcabuildsw
commit cae132b6a9
2 changed files with 18 additions and 2 deletions
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9
qdf/inc/qdf_mc_timer.h
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2014-2016 The Linux Foundation. All rights reserved.
* Copyright (c) 2014-2017 The Linux Foundation. All rights reserved.
*
* Previously licensed under the ISC license by Qualcomm Atheros, Inc.
*
@ -249,6 +249,13 @@ unsigned long qdf_mc_timer_get_system_ticks(void);
*/
unsigned long qdf_mc_timer_get_system_time(void);
/**
* qdf_get_monotonic_boottime_ns() - Get kernel boottime in ns
*
* Return: kernel boottime in nano sec
*/
s64 qdf_get_monotonic_boottime_ns(void);
/**
* qdf_timer_module_init() - initializes a QDF timer module.
*

11
qdf/linux/src/qdf_mc_timer.c
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2014-2016 The Linux Foundation. All rights reserved.
* Copyright (c) 2014-2017 The Linux Foundation. All rights reserved.
*
* Previously licensed under the ISC license by Qualcomm Atheros, Inc.
*
@ -703,6 +703,15 @@ unsigned long qdf_mc_timer_get_system_time(void)
}
EXPORT_SYMBOL(qdf_mc_timer_get_system_time);
s64 qdf_get_monotonic_boottime_ns(void)
{
struct timespec ts;
ktime_get_ts(&ts);
return timespec_to_ns(&ts);
}
EXPORT_SYMBOL(qdf_get_monotonic_boottime_ns);
/**
* qdf_timer_module_deinit() - Deinitializes a QDF timer module.
*