linux-kernel - [PATCH 1/2] ARM: SA1100: Create dummy clk_get

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Message-Id: <aaadbfa341a881c8250f2d23bc77062228d2e70b.1389279793.git.viresh.kumar@linaro.org>
Date:	Thu,  9 Jan 2014 20:38:42 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	rjw@...ysocki.net
Cc:	linaro-kernel@...ts.linaro.org, patches@...aro.org,
	cpufreq@...r.kernel.org, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org, olof@...om.net,
	arnd.bergmann@...aro.org, Viresh Kumar <viresh.kumar@...aro.org>,
	Russell King <linux@....linux.org.uk>
Subject: [PATCH 1/2] ARM: SA1100: Create dummy clk_get_rate() to avoid build failures

There are some parts of common kernel which would be using routines like
clk_get_rate() on some platforms. Currently these wouldn't be called for SA1100
boards but we need these routines for successful builds of these boards.

So, this patch creates a dummy clk_get_rate() routine which is being used by
cpufreq core. More dummy routines might be added later if there is a need for
that.

Cc: Russell King <linux@....linux.org.uk>
Cc: Arnd Bergmann <arnd.bergmann@...aro.org>
Reported-by: <Olof Johansson> olof@...om.net
Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
---
Hi Rafael,

This is the only new part here. 2/2 is still the same. Its compiled for Assabet
board. And the issue reported by Olof is resolved with it.

 arch/arm/mach-sa1100/clock.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/mach-sa1100/clock.c b/arch/arm/mach-sa1100/clock.c
index 172ebd0..9fa6a99 100644
--- a/arch/arm/mach-sa1100/clock.c
+++ b/arch/arm/mach-sa1100/clock.c
@@ -33,6 +33,13 @@ struct clk clk_##_name = {				\
 
 static DEFINE_SPINLOCK(clocks_lock);
 
+/* Dummy clk routine to build generic kernel parts that may be using them */
+unsigned long clk_get_rate(struct clk *clk)
+{
+	return 0;
+}
+EXPORT_SYMBOL(clk_get_rate);
+
 static void clk_gpio27_enable(struct clk *clk)
 {
 	/*
-- 
1.7.12.rc2.18.g61b472e

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