linux-kernel - [PATCH] arch: arm: mach-omap2: dpll44xx.c: Remove unused function

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Date:	Sun,  7 Dec 2014 23:30:13 +0100
From:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
To:	Tony Lindgren <tony@...mide.com>,
	Russell King <linux@....linux.org.uk>
Cc:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>,
	linux-omap@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] arch: arm: mach-omap2: dpll44xx.c:  Remove unused function

Remove the function omap4_dpllmx_gatectrl_read() that is not used anywhere.

This was partially found by using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
---
 arch/arm/mach-omap2/clock.h    |    1 -
 arch/arm/mach-omap2/dpll44xx.c |   20 --------------------
 2 files changed, 21 deletions(-)

diff --git a/arch/arm/mach-omap2/clock.h b/arch/arm/mach-omap2/clock.h
index 4592a27..88cc816 100644
--- a/arch/arm/mach-omap2/clock.h
+++ b/arch/arm/mach-omap2/clock.h
@@ -177,7 +177,6 @@ struct clksel {
 u32 omap3_dpll_autoidle_read(struct clk_hw_omap *clk);
 void omap3_dpll_allow_idle(struct clk_hw_omap *clk);
 void omap3_dpll_deny_idle(struct clk_hw_omap *clk);
-int omap4_dpllmx_gatectrl_read(struct clk_hw_omap *clk);
 void omap4_dpllmx_allow_gatectrl(struct clk_hw_omap *clk);
 void omap4_dpllmx_deny_gatectrl(struct clk_hw_omap *clk);
 
diff --git a/arch/arm/mach-omap2/dpll44xx.c b/arch/arm/mach-omap2/dpll44xx.c
index 4613f1e..6b6db49 100644
--- a/arch/arm/mach-omap2/dpll44xx.c
+++ b/arch/arm/mach-omap2/dpll44xx.c
@@ -36,26 +36,6 @@
 /* Static rate multiplier for OMAP4 REGM4XEN clocks */
 #define OMAP4430_REGM4XEN_MULT				4
 
-/* Supported only on OMAP4 */
-int omap4_dpllmx_gatectrl_read(struct clk_hw_omap *clk)
-{
-	u32 v;
-	u32 mask;
-
-	if (!clk || !clk->clksel_reg)
-		return -EINVAL;
-
-	mask = clk->flags & CLOCK_CLKOUTX2 ?
-			OMAP4430_DPLL_CLKOUTX2_GATE_CTRL_MASK :
-			OMAP4430_DPLL_CLKOUT_GATE_CTRL_MASK;
-
-	v = omap2_clk_readl(clk, clk->clksel_reg);
-	v &= mask;
-	v >>= __ffs(mask);
-
-	return v;
-}
-
 void omap4_dpllmx_allow_gatectrl(struct clk_hw_omap *clk)
 {
 	u32 v;
-- 
1.7.10.4

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