linux-kernel - [PATCH v4 12/17] clocksource: samsung_pwm_timer: Switch to sched_clock

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Date:	Thu, 18 Jul 2013 16:21:25 -0700
From:	Stephen Boyd <sboyd@...eaurora.org>
To:	John Stultz <john.stultz@...aro.org>
Cc:	linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Thomas Gleixner <tglx@...utronix.de>,
	Russell King <linux@....linux.org.uk>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	Christopher Covington <cov@...eaurora.org>,
	Tomasz Figa <t.figa@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Kukjin Kim <kgene.kim@...sung.com>
Subject: [PATCH v4 12/17] clocksource: samsung_pwm_timer: Switch to sched_clock_register()

The 32 bit sched_clock interface now supports 64 bits. Upgrade to
the 64 bit function to allow us to remove the 32 bit registration
interface.

Cc: Tomasz Figa <t.figa@...sung.com>
Cc: Kyungmin Park <kyungmin.park@...sung.com>
Cc: Kukjin Kim <kgene.kim@...sung.com>
Signed-off-by: Stephen Boyd <sboyd@...eaurora.org>
---
 drivers/clocksource/samsung_pwm_timer.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/clocksource/samsung_pwm_timer.c b/drivers/clocksource/samsung_pwm_timer.c
index 584b547..09e8bc7 100644
--- a/drivers/clocksource/samsung_pwm_timer.c
+++ b/drivers/clocksource/samsung_pwm_timer.c
@@ -310,7 +310,7 @@ static void __iomem *samsung_timer_reg(void)
  * this wraps around for now, since it is just a relative time
  * stamp. (Inspired by U300 implementation.)
  */
-static u32 notrace samsung_read_sched_clock(void)
+static u64 notrace samsung_read_sched_clock(void)
 {
 	void __iomem *reg = samsung_timer_reg();
 
@@ -337,7 +337,7 @@ static void __init samsung_clocksource_init(void)
 	samsung_time_setup(pwm.source_id, pwm.tcnt_max);
 	samsung_time_start(pwm.source_id, true);
 
-	setup_sched_clock(samsung_read_sched_clock,
+	sched_clock_register(samsung_read_sched_clock,
 						pwm.variant.bits, clock_rate);
 
 	ret = clocksource_mmio_init(reg, "samsung_clocksource_timer",
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
hosted by The Linux Foundation

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