Re: [PATCH] ACPI / battery: ensure acpi_battery_init() has finish

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On Monday, May 11, 2015 10:49:05 PM Luis Henriques wrote:
> Make sure that async function scheduled with async_schedule() has already
> been executed.
> 
> Signed-off-by: Luis Henriques <luis.henriques@xxxxxxxxxxxxx>

Queued up for 4.2 (along with the other two battery patches of yours), thanks!

> ---
>  drivers/acpi/battery.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
> index 9c676a6f32ce..547e627611e0 100644
> --- a/drivers/acpi/battery.c
> +++ b/drivers/acpi/battery.c
> @@ -70,6 +70,7 @@ MODULE_AUTHOR("Alexey Starikovskiy <astarikovskiy@xxxxxxx>");
>  MODULE_DESCRIPTION("ACPI Battery Driver");
>  MODULE_LICENSE("GPL");
>  
> +static async_cookie_t async_cookie;
>  static int battery_bix_broken_package;
>  static int battery_notification_delay_ms;
>  static unsigned int cache_time = 1000;
> @@ -1313,12 +1314,13 @@ static int __init acpi_battery_init(void)
>  	if (acpi_disabled)
>  		return -ENODEV;
>  
> -	async_schedule(acpi_battery_init_async, NULL);
> +	async_cookie = async_schedule(acpi_battery_init_async, NULL);
>  	return 0;
>  }
>  
>  static void __exit acpi_battery_exit(void)
>  {
> +	async_synchronize_cookie(async_cookie);
>  	acpi_bus_unregister_driver(&acpi_battery_driver);
>  #ifdef CONFIG_ACPI_PROCFS_POWER
>  	acpi_unlock_battery_dir(acpi_battery_dir);
> --
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-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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