On Sunday, July 15, 2018 12:40:18 AM CEST Lucas Magasweran wrote:
> From: Lucas Rangit Magasweran <lucas.magaswe...@ieee.org>
> 
> On removal battery_present changes from 1 to 0 after calling
> acpi_battery_get_statu() and battery->update_time is set to 0
> before returning.
> 
> On insertion battery_present changes from 0 to 1 after calling
> acpi_battery_get_status() and acpi_battery_get_info() is called
> because battery->update_time is 0.
> 
> The old_present condition is therefore redundant.
> 
> This was added in the commit below when there was a path without
> sysfs that would skip getting the newly inserted battery info.
> 
> commit 50b178512b7d ("Newly inserted battery might differ from one
> just removed, so update of battery info fields is required.")
> 
> Signed-off-by: Lucas Rangit Magasweran <lucas.magaswe...@ieee.org>
> ---
>  drivers/acpi/battery.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
> index f88bc9f..c280e8e 100644
> --- a/drivers/acpi/battery.c
> +++ b/drivers/acpi/battery.c
> @@ -918,10 +918,11 @@ static void acpi_battery_quirks(struct acpi_battery 
> *battery)
>  
>  static int acpi_battery_update(struct acpi_battery *battery, bool resume)
>  {
> -     int result, old_present = acpi_battery_present(battery);
> -     result = acpi_battery_get_status(battery);
> +     int result = acpi_battery_get_status(battery);
> +
>       if (result)
>               return result;
> +
>       if (!acpi_battery_present(battery)) {
>               sysfs_remove_battery(battery);
>               battery->update_time = 0;
> @@ -931,8 +932,7 @@ static int acpi_battery_update(struct acpi_battery 
> *battery, bool resume)
>       if (resume)
>               return 0;
>  
> -     if (!battery->update_time ||
> -         old_present != acpi_battery_present(battery)) {
> +     if (!battery->update_time) {
>               result = acpi_battery_get_info(battery);
>               if (result)
>                       return result;
> 

Applied, thanks!


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