linux-kernel - [PATCH 20/20] ARM64 / clocksource: Use clocksource_acpi

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Date:	Fri, 17 Jan 2014 20:25:14 +0800
From:	Hanjun Guo <hanjun.guo@...aro.org>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	linux-acpi@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Grant Likely <grant.likely@...aro.org>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	Olof Johansson <olof@...om.net>,
	Linus Walleij <linus.walleij@...aro.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Rob Herring <robh@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Arnd Bergmann <arnd@...db.de>, patches@...aro.org,
	linux-kernel@...r.kernel.org, linaro-kernel@...ts.linaro.org,
	linaro-acpi@...ts.linaro.org, Charles.Garcia-Tobin@....com,
	Hanjun Guo <hanjun.guo@...aro.org>
Subject: [PATCH 20/20] ARM64 / clocksource: Use clocksource_acpi_init()

Use clocksource_acpi_init() on ARM64 to initialise timers
in ACPI way when DT is not available.

Signed-off-by: Hanjun Guo <hanjun.guo@...aro.org>
---
 arch/arm64/kernel/time.c |    6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/kernel/time.c b/arch/arm64/kernel/time.c
index 29c39d5..6e453ac 100644
--- a/arch/arm64/kernel/time.c
+++ b/arch/arm64/kernel/time.c
@@ -67,6 +67,12 @@ void __init time_init(void)
 
 	clocksource_of_init();
 
+	/*
+	 * Since ACPI or FDT will only one be available in the system,
+	 * we can use clocksource_acpi_init() here safely
+	 */
+	clocksource_acpi_init();
+
 	arch_timer_rate = arch_timer_get_rate();
 	if (!arch_timer_rate)
 		panic("Unable to initialise architected timer.\n");
-- 
1.7.9.5

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