Re: [PATCH V1 resend] cpufreq: Raname index as data in cpufreq_frequency_table

From: Viresh Kumar
Date: Tue May 14 2013 - 09:46:37 EST


On 13 May 2013 21:57, Stephen Warren <swarren@xxxxxxxxxxxxx> wrote:
> On 05/13/2013 06:57 AM, Viresh Kumar wrote:
>> "Index" field of struct cpufreq_frequency_table was never index and isn't used
>> at all by cpufreq core. And is only useful for cpufreq drivers for their
>> personal use.
>>
>> Many people now a days blindly set it in ascending order with the assumption
>> that core is using it for some work.
>>
>> This patch renames it to "data" as that's what its purpose it. All users of the
>> same are fixed too.
>
>> diff --git a/drivers/cpufreq/tegra-cpufreq.c b/drivers/cpufreq/tegra-cpufreq.c
>
>> -/* Frequency table index must be sequential starting at 0 */
>> +/* Frequency table data must be sequential starting at 0 */
>
> I assume that comment is due to the assumption you're trying to remove.
> Should the comment be removed/corrected now? Perhaps the .data field
> isn't even needed any more in this driver?
>
>> static struct cpufreq_frequency_table freq_table[] = {
>> { 0, 216000 },
>> { 1, 312000 },

This must address your concerns:
@Rafael: I have attached both patches now for you to apply.

From: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
Date: Tue, 14 May 2013 19:08:50 +0530
Subject: [PATCH 1/2] cpufreq: tegra: Remove irrelevant comment

Tegra cpufreq driver doesn't use .index field of cpufreq_frequency_table and so
comment mentioning order of .index is irrelevant. Remove it.

Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
---
drivers/cpufreq/tegra-cpufreq.c | 1 -
1 file changed, 1 deletion(-)

diff --git a/drivers/cpufreq/tegra-cpufreq.c b/drivers/cpufreq/tegra-cpufreq.c
index c74c0e1..293ed2c 100644
--- a/drivers/cpufreq/tegra-cpufreq.c
+++ b/drivers/cpufreq/tegra-cpufreq.c
@@ -28,7 +28,6 @@
#include <linux/io.h>
#include <linux/suspend.h>

-/* Frequency table index must be sequential starting at 0 */
static struct cpufreq_frequency_table freq_table[] = {
{ 0, 216000 },
{ 1, 312000 },

Attachment: 0001-cpufreq-tegra-Remove-irrelevant-comment.patch
Description: Binary data

Attachment: 0002-cpufreq-Raname-index-as-data-in-cpufreq_frequency_ta.patch
Description: Binary data