Re: [PATCH v3 07/11] input: raspberrypi-ts: Release firmware handle when not needed

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Hi Nicolas,

On Wed, Nov 04, 2020 at 11:39:33AM +0100, Nicolas Saenz Julienne wrote:
> Use devm_rpi_firmware_get() so as to make sure we release RPi's firmware
> interface when unbinding the device.

Unless I am mistaken this driver does not really need the firmware
structure past rpi_ts_probe(), and will be fine if it disappears earlier
than unbind time.

Thanks.

> 
> Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@xxxxxxx>
> 
> ---
> 
> Changes since v2:
>  - Use devm_rpi_firmware_get(), instead of remove function
> 
>  drivers/input/touchscreen/raspberrypi-ts.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/input/touchscreen/raspberrypi-ts.c b/drivers/input/touchscreen/raspberrypi-ts.c
> index ef6aaed217cf..efed0efa91d9 100644
> --- a/drivers/input/touchscreen/raspberrypi-ts.c
> +++ b/drivers/input/touchscreen/raspberrypi-ts.c
> @@ -134,7 +134,7 @@ static int rpi_ts_probe(struct platform_device *pdev)
>  		return -ENOENT;
>  	}
>  
> -	fw = rpi_firmware_get(fw_node);
> +	fw = devm_rpi_firmware_get(&pdev->dev, fw_node);
>  	of_node_put(fw_node);
>  	if (!fw)
>  		return -EPROBE_DEFER;
> -- 
> 2.29.1
> 

-- 
Dmitry



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