msm: smem_log: sync timestamp source
The remote subsystems that log into the shared memory log have switched to
using the cntpct clock source for timestamps. Synchronize the timestamps
from Linux processors by using the same clock source instead of simulating
a 32.768KHz clock source.
CRs-Fixed: 473747
Change-Id: I5aab69eaf363198f45a8c88fe2d92d9bfe78a86a
Signed-off-by: Jeffrey Hugo <jhugo@codeaurora.org>
diff --git a/arch/arm/mach-msm/smem_log.c b/arch/arm/mach-msm/smem_log.c
index 169df1e..361df33 100644
--- a/arch/arm/mach-msm/smem_log.c
+++ b/arch/arm/mach-msm/smem_log.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2008-2012, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2008-2013, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@@ -33,6 +33,8 @@
#include <mach/msm_iomap.h>
#include <mach/smem_log.h>
+#include <asm/arch_timer.h>
+
#include "smd_private.h"
#include "smd_rpc_sym.h"
#include "modem_notifier.h"
@@ -652,13 +654,7 @@
#else
static inline unsigned int read_timestamp(void)
{
- unsigned long long val;
-
- /* SMEM LOG uses a 32.768KHz timestamp */
- val = sched_clock() * 32768U;
- do_div(val, 1000000000U);
-
- return (unsigned int)val;
+ return (unsigned int)(arch_counter_get_cntpct());
}
#endif