Re: [PATCH] [PATCH V3]Extcon: adc_jack: adc-jack driver to support 3.5 pi or simliar devices

[Lars-Peter Clausen <lars@metafoo.de>]

On 08/07/2012 08:59 AM, anish kumar wrote:
> From: anish kumar <anish198519851985@gmail.com>
> 
> External connector devices that decides connection information based on
> ADC values may use adc-jack device driver. The user simply needs to
> provide a table of adc range and connection states. Then, extcon
> framework will automatically notify others.
> 
> Changes in V1:
> added Lars-Peter Clausen suggested changes:
> Using macros to get rid of boiler plate code such as devm_kzalloc
> and module_platform_driver.Other changes suggested are related to
> coding guidelines.
> 
> Changes in V2:
> Removed some unnecessary checks and changed the way we are un-regitering
> extcon and freeing the irq while removing.
> 
> Changes in this version:
> Renamed the files to comply with extcon naming.
> 
> Signed-off-by: anish kumar <anish.singh@samsung.com>
> Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>

Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>

I missed one thing though in the previous reviews, sorry about that.

> ---
>  drivers/extcon/Kconfig                 |    5 +
>  drivers/extcon/Makefile                |    1 +
>  drivers/extcon/extcon-adc-jack.c       |  193 ++++++++++++++++++++++++++++++++
>  include/linux/extcon/extcon-adc-jack.h |   73 ++++++++++++
>  4 files changed, 272 insertions(+), 0 deletions(-)
>  create mode 100644 drivers/extcon/extcon-adc-jack.c
>  create mode 100644 include/linux/extcon/extcon-adc-jack.h
> +
> +static int __devexit adc_jack_remove(struct platform_device *pdev)
> +{
> +	struct adc_jack_data *data = platform_get_drvdata(pdev);
> +
> +	free_irq(data->irq, data);

We should probably make sure that the work is not pending or running here.

> +	extcon_dev_unregister(&data->edev);
> +
> +	return 0;
> +}