Re: [PATCH 1/2] cpufreq: Fix sparse warnings by updating cputime64_t to u64

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On Wednesday 24 of October 2012 13:15:58 Viresh Kumar wrote:
> There were few sparse warnings due to mismatch of type on function arguments.
> Two types were used u64 and cputime64_t. Both are actually u64, so use u64 only.
> 
> Reported-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
> Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>

This series appears to be based on your "cpufreq: governors: remove
redundant code" patch that hasn't been applied yet.

Please rebase it on top of linux-pm/linux-next or on top of v3.7-rc2,
whichever is more convenient, and resend.

Thanks,
Rafael


> ---
> 
> This solution was discussed here:
> 
> http://www.mail-archive.com/linaro-dev@xxxxxxxxxxxxxxxx/msg13744.html
> 
>  drivers/cpufreq/cpufreq_governor.c |  4 ++--
>  drivers/cpufreq/cpufreq_governor.h | 11 +++++------
>  drivers/cpufreq/cpufreq_stats.c    |  4 ++--
>  3 files changed, 9 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c
> index cd5fe57..e39bf81 100644
> --- a/drivers/cpufreq/cpufreq_governor.c
> +++ b/drivers/cpufreq/cpufreq_governor.c
> @@ -49,7 +49,7 @@ static inline u64 get_cpu_idle_time_jiffy(unsigned int cpu, u64 *wall)
>  	return jiffies_to_usecs(idle_time);
>  }
>  
> -cputime64_t get_cpu_idle_time(unsigned int cpu, cputime64_t *wall)
> +u64 get_cpu_idle_time(unsigned int cpu, u64 *wall)
>  {
>  	u64 idle_time = get_cpu_idle_time_us(cpu, NULL);
>  
> @@ -81,7 +81,7 @@ void dbs_check_cpu(struct dbs_data *dbs_data, int cpu)
>  	/* Get Absolute Load (in terms of freq for ondemand gov) */
>  	for_each_cpu(j, policy->cpus) {
>  		struct cpu_dbs_common_info *j_cdbs;
> -		cputime64_t cur_wall_time, cur_idle_time, cur_iowait_time;
> +		u64 cur_wall_time, cur_idle_time, cur_iowait_time;
>  		unsigned int idle_time, wall_time, iowait_time;
>  		unsigned int load;
>  
> diff --git a/drivers/cpufreq/cpufreq_governor.h b/drivers/cpufreq/cpufreq_governor.h
> index 34e14ad..f661654 100644
> --- a/drivers/cpufreq/cpufreq_governor.h
> +++ b/drivers/cpufreq/cpufreq_governor.h
> @@ -17,7 +17,6 @@
>  #ifndef _CPUFREQ_GOVERNER_H
>  #define _CPUFREQ_GOVERNER_H
>  
> -#include <asm/cputime.h>
>  #include <linux/cpufreq.h>
>  #include <linux/kobject.h>
>  #include <linux/mutex.h>
> @@ -72,9 +71,9 @@ static void *get_cpu_dbs_info_s(int cpu)				\
>  /* Per cpu structures */
>  struct cpu_dbs_common_info {
>  	int cpu;
> -	cputime64_t prev_cpu_idle;
> -	cputime64_t prev_cpu_wall;
> -	cputime64_t prev_cpu_nice;
> +	u64 prev_cpu_idle;
> +	u64 prev_cpu_wall;
> +	u64 prev_cpu_nice;
>  	struct cpufreq_policy *cur_policy;
>  	struct delayed_work work;
>  	/*
> @@ -87,7 +86,7 @@ struct cpu_dbs_common_info {
>  
>  struct od_cpu_dbs_info_s {
>  	struct cpu_dbs_common_info cdbs;
> -	cputime64_t prev_cpu_iowait;
> +	u64 prev_cpu_iowait;
>  	struct cpufreq_frequency_table *freq_table;
>  	unsigned int freq_lo;
>  	unsigned int freq_lo_jiffies;
> @@ -170,7 +169,7 @@ static inline int delay_for_sampling_rate(unsigned int sampling_rate)
>  	return delay;
>  }
>  
> -cputime64_t get_cpu_idle_time(unsigned int cpu, cputime64_t *wall);
> +u64 get_cpu_idle_time(unsigned int cpu, u64 *wall);
>  void dbs_check_cpu(struct dbs_data *dbs_data, int cpu);
>  int cpufreq_governor_dbs(struct dbs_data *dbs_data,
>  		struct cpufreq_policy *policy, unsigned int event);
> diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c
> index b40ee14..683a48f 100644
> --- a/drivers/cpufreq/cpufreq_stats.c
> +++ b/drivers/cpufreq/cpufreq_stats.c
> @@ -37,7 +37,7 @@ struct cpufreq_stats {
>  	unsigned int max_state;
>  	unsigned int state_num;
>  	unsigned int last_index;
> -	cputime64_t *time_in_state;
> +	u64 *time_in_state;
>  	unsigned int *freq_table;
>  #ifdef CONFIG_CPU_FREQ_STAT_DETAILS
>  	unsigned int *trans_table;
> @@ -223,7 +223,7 @@ static int cpufreq_stats_create_table(struct cpufreq_policy *policy,
>  		count++;
>  	}
>  
> -	alloc_size = count * sizeof(int) + count * sizeof(cputime64_t);
> +	alloc_size = count * sizeof(int) + count * sizeof(u64);
>  
>  #ifdef CONFIG_CPU_FREQ_STAT_DETAILS
>  	alloc_size += count * count * sizeof(int);
> 
-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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