linux-kernel - [PATCH D 01/11] OMAP: Add clk_get

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Date:	Wed, 28 Jan 2009 12:18:16 -0700
From:	Paul Walmsley <paul@...an.com>
To:	linux-arm-kernel@...ts.arm.linux.org.uk,
	linux-kernel@...r.kernel.org
Cc:	linux-omap@...r.kernel.org,
	MånsRullgård <mans@...sr.com>,
	Paul Walmsley <paul@...an.com>,
	Tony Lindgren <tony@...mide.com>
Subject: [PATCH D 01/11] OMAP: Add clk_get_parent() for OMAP2/3

From: Mans Rullgard <mans@...sr.com>

This makes clk_get_parent() work on OMAP2/3.

linux-omap source commit is efd65273726b12e42c7225bd1703e5252bdb46c0.

Signed-off-by: Måns Rullgård <mans@...sr.com>
Signed-off-by: Paul Walmsley <paul@...an.com>
Signed-off-by: Tony Lindgren <tony@...mide.com>
---
 arch/arm/mach-omap2/clock.c     |    5 +++++
 arch/arm/mach-omap2/clock.h     |    1 +
 arch/arm/mach-omap2/clock24xx.c |    1 +
 arch/arm/mach-omap2/clock34xx.c |    1 +
 4 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c
index e57694f..9957813 100644
--- a/arch/arm/mach-omap2/clock.c
+++ b/arch/arm/mach-omap2/clock.c
@@ -870,6 +870,11 @@ int omap2_clk_set_parent(struct clk *clk, struct clk *new_parent)
 	return 0;
 }
 
+struct clk *omap2_clk_get_parent(struct clk *clk)
+{
+	return clk->parent;
+}
+
 /* DPLL rate rounding code */
 
 /**
diff --git a/arch/arm/mach-omap2/clock.h b/arch/arm/mach-omap2/clock.h
index 72bb320..4dbd582 100644
--- a/arch/arm/mach-omap2/clock.h
+++ b/arch/arm/mach-omap2/clock.h
@@ -44,6 +44,7 @@ int omap2_clk_set_rate(struct clk *clk, unsigned long rate);
 int omap2_clk_set_parent(struct clk *clk, struct clk *new_parent);
 int omap2_dpll_set_rate_tolerance(struct clk *clk, unsigned int tolerance);
 long omap2_dpll_round_rate(struct clk *clk, unsigned long target_rate);
+struct clk *omap2_clk_get_parent(struct clk *clk);
 
 #ifdef CONFIG_OMAP_RESET_CLOCKS
 void omap2_clk_disable_unused(struct clk *clk);
diff --git a/arch/arm/mach-omap2/clock24xx.c b/arch/arm/mach-omap2/clock24xx.c
index a2c13ef..2398711 100644
--- a/arch/arm/mach-omap2/clock24xx.c
+++ b/arch/arm/mach-omap2/clock24xx.c
@@ -436,6 +436,7 @@ static struct clk_functions omap2_clk_functions = {
 	.clk_round_rate		= omap2_clk_round_rate,
 	.clk_set_rate		= omap2_clk_set_rate,
 	.clk_set_parent		= omap2_clk_set_parent,
+	.clk_get_parent		= omap2_clk_get_parent,
 	.clk_disable_unused	= omap2_clk_disable_unused,
 #ifdef	CONFIG_CPU_FREQ
 	.clk_init_cpufreq_table	= omap2_clk_init_cpufreq_table,
diff --git a/arch/arm/mach-omap2/clock34xx.c b/arch/arm/mach-omap2/clock34xx.c
index 33d5a51..0c8d88e 100644
--- a/arch/arm/mach-omap2/clock34xx.c
+++ b/arch/arm/mach-omap2/clock34xx.c
@@ -565,6 +565,7 @@ static struct clk_functions omap2_clk_functions = {
 	.clk_round_rate		= omap2_clk_round_rate,
 	.clk_set_rate		= omap2_clk_set_rate,
 	.clk_set_parent		= omap2_clk_set_parent,
+	.clk_get_parent		= omap2_clk_get_parent,
 	.clk_disable_unused	= omap2_clk_disable_unused,
 };
 


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