linux-kernel - [tip:timers/core] clocksource, sparc32: Convert to using clocksource_register

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Message-ID: <tip-3142f76022fe46f6e0a0d3940b23fb6ccb794692@git.kernel.org>
Date:	Fri, 13 Mar 2015 02:04:00 -0700
From:	tip-bot for John Stultz <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org,
	mingo@...nel.org, hpa@...or.com, john.stultz@...aro.org,
	richardcochran@...il.com, tglx@...utronix.de, peterz@...radead.org,
	davem@...emloft.net, prarit@...hat.com, sboyd@...eaurora.org,
	davej@...emonkey.org.uk
Subject: [tip:timers/core] clocksource, sparc32:
  Convert to using clocksource_register_hz()

Commit-ID:  3142f76022fe46f6e0a0d3940b23fb6ccb794692
Gitweb:     http://git.kernel.org/tip/3142f76022fe46f6e0a0d3940b23fb6ccb794692
Author:     John Stultz <john.stultz@...aro.org>
AuthorDate: Wed, 11 Mar 2015 21:16:38 -0700
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Fri, 13 Mar 2015 08:07:07 +0100

clocksource, sparc32: Convert to using clocksource_register_hz()

While cleaning up some clocksource code, I noticed the
time_32 implementation uses the clocksource_hz2mult()
helper, but doesn't use the clocksource_register_hz()
method.

I don't believe the Sparc clocksource is a default
clocksource, so we shouldn't need to self-define
the mult/shift pair.

So convert the time_32.c implementation to use
clocksource_register_hz().

Untested.

Signed-off-by: John Stultz <john.stultz@...aro.org>
Acked-by: David S. Miller <davem@...emloft.net>
Cc: Dave Jones <davej@...emonkey.org.uk>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Prarit Bhargava <prarit@...hat.com>
Cc: Richard Cochran <richardcochran@...il.com>
Cc: Stephen Boyd <sboyd@...eaurora.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Link: http://lkml.kernel.org/r/1426133800-29329-11-git-send-email-john.stultz@linaro.org
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/sparc/kernel/time_32.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/arch/sparc/kernel/time_32.c b/arch/sparc/kernel/time_32.c
index a31c0c8..18147a5 100644
--- a/arch/sparc/kernel/time_32.c
+++ b/arch/sparc/kernel/time_32.c
@@ -181,17 +181,13 @@ static struct clocksource timer_cs = {
 	.rating	= 100,
 	.read	= timer_cs_read,
 	.mask	= CLOCKSOURCE_MASK(64),
-	.shift	= 2,
 	.flags	= CLOCK_SOURCE_IS_CONTINUOUS,
 };
 
 static __init int setup_timer_cs(void)
 {
 	timer_cs_enabled = 1;
-	timer_cs.mult = clocksource_hz2mult(sparc_config.clock_rate,
-	                                    timer_cs.shift);
-
-	return __clocksource_register(&timer_cs);
+	return clocksource_register_hz(&timer_cs, sparc_config.clock_rate);
 }
 
 #ifdef CONFIG_SMP
--
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