linux-kernel - [PATCH 02/20] cpufreq: acpi-cpufreq: Use cpufreq_for_each

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Message-ID: <534C4E36.9060208@semaphore.gr>
Date:	Tue, 15 Apr 2014 00:08:06 +0300
From:	Stratos Karafotis <stratosk@...aphore.gr>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Viresh Kumar <viresh.kumar@...aro.org>
CC:	"cpufreq@...r.kernel.org" <cpufreq@...r.kernel.org>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH 02/20] cpufreq: acpi-cpufreq: Use cpufreq_for_each_entry macro
 for iteration

The cpufreq core supports the cpufreq_for_each_entry macro helper
for iteration over the cpufreq_frequency_table, so use it.

It should have no functional changes.

Signed-off-by: Stratos Karafotis <stratosk@...aphore.gr>
---
 drivers/cpufreq/acpi-cpufreq.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c
index 000e4e0..12a5750 100644
--- a/drivers/cpufreq/acpi-cpufreq.c
+++ b/drivers/cpufreq/acpi-cpufreq.c
@@ -213,7 +213,7 @@ static unsigned extract_io(u32 value, struct acpi_cpufreq_data *data)
 
 static unsigned extract_msr(u32 msr, struct acpi_cpufreq_data *data)
 {
-	int i;
+	struct cpufreq_frequency_table *pos;
 	struct acpi_processor_performance *perf;
 
 	if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD)
@@ -223,11 +223,11 @@ static unsigned extract_msr(u32 msr, struct acpi_cpufreq_data *data)
 
 	perf = data->acpi_data;
 
-	for (i = 0; data->freq_table[i].frequency != CPUFREQ_TABLE_END; i++) {
-		if (msr == perf->states[data->freq_table[i].driver_data].status)
-			return data->freq_table[i].frequency;
+	cpufreq_for_each_entry(pos, data->freq_table) {
+		if (msr == perf->states[pos->driver_data].status)
+			return pos->frequency;
 	}
-	return data->freq_table[0].frequency;
+	return data->freq_table->frequency;
 }
 
 static unsigned extract_freq(u32 val, struct acpi_cpufreq_data *data)
-- 
1.9.0

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