Re: [PATCH v5 4/5] thermal: devfreq_cooling: Refactor code and switch to use Energy Model

[Daniel Lezcano]

On 18/03/2020 12:45, Lukasz Luba wrote:
> The overhauled Energy Model (EM) framework support also devfreq devices.
> The unified API interface of the EM can be used in the thermal subsystem to
> not duplicate code. The power table now is taken from EM structure and
> there is no need to maintain calculation for it locally. In case when the
> EM is not provided by the device a simple interface for cooling device is
> used.
> 
> There is also an improvement in code related to enabling/disabling OPPs,
> which prevents from race condition with devfreq governors.
> 
> [lkp: Reported the build warning]
> Reported-by: kbuild test robot <lkp@xxxxxxxxx>
> Reviewed-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx> # for tracing code
> Signed-off-by: Lukasz Luba <lukasz.luba@xxxxxxx>

The changes are too big, please split this patch into smaller chunks.

> ---
>  drivers/thermal/devfreq_cooling.c | 474 ++++++++++++++++--------------
>  include/linux/devfreq_cooling.h   |  39 +--
>  include/trace/events/thermal.h    |  19 +-
>  3 files changed, 277 insertions(+), 255 deletions(-)
> 
> diff --git a/drivers/thermal/devfreq_cooling.c b/drivers/thermal/devfreq_cooling.c

[ ... ]

>  struct devfreq_cooling_device {
>  	int id;
>  	struct thermal_cooling_device *cdev;
>  	struct devfreq *devfreq;
>  	unsigned long cooling_state;
> -	u32 *power_table;
>  	u32 *freq_table;
> -	size_t freq_table_size;
> +	size_t max_level;

Could you rename it to 'max_state' ?


[ ... ]


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