linux-kernel - [PATCH v4 16/17] clocksource: vf_pit_timer: Switch to sched_clock

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Message-Id: <1374189690-10810-17-git-send-email-sboyd@codeaurora.org>
Date:	Thu, 18 Jul 2013 16:21:29 -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>,
	Jingchang Lu <b35083@...escale.com>,
	Fabio Estevam <fabio.estevam@...escale.com>
Subject: [PATCH v4 16/17] clocksource: vf_pit_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: Jingchang Lu <b35083@...escale.com>
Cc: Fabio Estevam <fabio.estevam@...escale.com>
Signed-off-by: Stephen Boyd <sboyd@...eaurora.org>
---
 drivers/clocksource/vf_pit_timer.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/clocksource/vf_pit_timer.c b/drivers/clocksource/vf_pit_timer.c
index 587e020..02821b0 100644
--- a/drivers/clocksource/vf_pit_timer.c
+++ b/drivers/clocksource/vf_pit_timer.c
@@ -52,7 +52,7 @@ static inline void pit_irq_acknowledge(void)
 	__raw_writel(PITTFLG_TIF, clkevt_base + PITTFLG);
 }
 
-static unsigned int pit_read_sched_clock(void)
+static u64 pit_read_sched_clock(void)
 {
 	return __raw_readl(clksrc_base + PITCVAL);
 }
@@ -64,7 +64,7 @@ static int __init pit_clocksource_init(unsigned long rate)
 	__raw_writel(~0UL, clksrc_base + PITLDVAL);
 	__raw_writel(PITTCTRL_TEN, clksrc_base + PITTCTRL);
 
-	setup_sched_clock(pit_read_sched_clock, 32, rate);
+	sched_clock_register(pit_read_sched_clock, 32, rate);
 	return clocksource_mmio_init(clksrc_base + PITCVAL, "vf-pit", rate,
 			300, 32, clocksource_mmio_readl_down);
 }
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
hosted by The Linux Foundation

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