linux-kernel - [PATCH] arch: arm: mach-davinci: cdce949.c: Remove unused function

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Message-Id: <1417906928-5728-1-git-send-email-rickard_strandqvist@spectrumdigital.se>
Date:	Sun,  7 Dec 2014 00:02:08 +0100
From:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
To:	Sekhar Nori <nsekhar@...com>,
	Kevin Hilman <khilman@...prootsystems.com>
Cc:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>,
	Russell King <linux@....linux.org.uk>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] arch: arm: mach-davinci: cdce949.c:  Remove unused function

Remove the function cdce_set_rate() 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-davinci/cdce949.c              |   37 --------------------------
 arch/arm/mach-davinci/include/mach/cdce949.h |    2 --
 2 files changed, 39 deletions(-)

diff --git a/arch/arm/mach-davinci/cdce949.c b/arch/arm/mach-davinci/cdce949.c
index abafb92..bccac4a 100644
--- a/arch/arm/mach-davinci/cdce949.c
+++ b/arch/arm/mach-davinci/cdce949.c
@@ -212,43 +212,6 @@ static struct cdce_output output_list[] = {
 	[5]	= { cdce_y5_freqs, ARRAY_SIZE(cdce_y5_freqs) },
 };
 
-int cdce_set_rate(struct clk *clk, unsigned long rate)
-{
-	int i, ret = 0;
-	struct cdce_freq *freq_table = output_list[clk->lpsc].freq_table;
-	struct cdce_reg  *regs = NULL;
-
-	if (!cdce_i2c_client)
-		return -ENODEV;
-
-	if (!freq_table)
-		return -EINVAL;
-
-	for (i = 0; i < output_list[clk->lpsc].size; i++) {
-		if (freq_table[i].frequency == rate / 1000) {
-			regs = freq_table[i].reglist;
-			break;
-		}
-	}
-
-	if (!regs)
-		return -EINVAL;
-
-	mutex_lock(&cdce_mutex);
-	for (i = 0; regs[i].addr; i++) {
-		ret = i2c_smbus_write_byte_data(cdce_i2c_client,
-					regs[i].addr | 0x80, regs[i].val);
-		if (ret)
-			break;
-	}
-	mutex_unlock(&cdce_mutex);
-
-	if (!ret)
-		clk->rate = rate;
-
-	return ret;
-}
-
 static int cdce_probe(struct i2c_client *client,
 					const struct i2c_device_id *id)
 {
diff --git a/arch/arm/mach-davinci/include/mach/cdce949.h b/arch/arm/mach-davinci/include/mach/cdce949.h
index c73331f..2280e0b 100644
--- a/arch/arm/mach-davinci/include/mach/cdce949.h
+++ b/arch/arm/mach-davinci/include/mach/cdce949.h
@@ -14,6 +14,4 @@
 
 #include <mach/clock.h>
 
-int cdce_set_rate(struct clk *clk, unsigned long rate);
-
 #endif
-- 
1.7.10.4

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