linux-kernel - [PATCH] [CPUFREQ] db8500: fix build error due to undeclared i variable

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Message-ID: <1320408281.28679.1.camel@phoenix>
Date:	Fri, 04 Nov 2011 20:04:41 +0800
From:	Axel Lin <axel.lin@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Vincent Guittot <vincent.guittot@...aro.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Dave Jones <davej@...hat.com>, cpufreq@...r.kernel.org
Subject: [PATCH] [CPUFREQ] db8500: fix build error due to undeclared i
 variable

The variable i is removed by commit ded8433
"[CPUFREQ] db8500: remove unneeded for loop iteration over freq_table",
but current code to print available frequencies still uses the i variable.
Thus add the i variable back to fix below buld error:

  CC      drivers/cpufreq/db8500-cpufreq.o
drivers/cpufreq/db8500-cpufreq.c: In function 'db8500_cpufreq_init':
drivers/cpufreq/db8500-cpufreq.c:123: error: 'i' undeclared (first use in this function)
drivers/cpufreq/db8500-cpufreq.c:123: error: (Each undeclared identifier is reported only once
drivers/cpufreq/db8500-cpufreq.c:123: error: for each function it appears in.)
make[2]: *** [drivers/cpufreq/db8500-cpufreq.o] Error 1
make[1]: *** [drivers/cpufreq] Error 2
make: *** [drivers] Error 2

This patch also fixes using uninitialized i variable as array index.

Signed-off-by: Axel Lin <axel.lin@...il.com>
---
 drivers/cpufreq/db8500-cpufreq.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/cpufreq/db8500-cpufreq.c b/drivers/cpufreq/db8500-cpufreq.c
index edaa987..f500201 100644
--- a/drivers/cpufreq/db8500-cpufreq.c
+++ b/drivers/cpufreq/db8500-cpufreq.c
@@ -109,7 +109,7 @@ static unsigned int db8500_cpufreq_getspeed(unsigned int cpu)
 
 static int __cpuinit db8500_cpufreq_init(struct cpufreq_policy *policy)
 {
-	int res;
+	int i, res;
 
 	BUILD_BUG_ON(ARRAY_SIZE(idx2opp) + 1 != ARRAY_SIZE(freq_table));
 
@@ -120,8 +120,8 @@ static int __cpuinit db8500_cpufreq_init(struct cpufreq_policy *policy)
 			freq_table[3].frequency = 1000000;
 	}
 	pr_info("db8500-cpufreq : Available frequencies:\n");
-	while (freq_table[i].frequency != CPUFREQ_TABLE_END)
-		pr_info("  %d Mhz\n", freq_table[i++].frequency/1000);
+	for (i = 0; freq_table[i].frequency != CPUFREQ_TABLE_END; i++)
+		pr_info("  %d Mhz\n", freq_table[i].frequency/1000);
 
 	/* get policy fields based on the table */
 	res = cpufreq_frequency_table_cpuinfo(policy, freq_table);
-- 
1.7.5.4



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