# Re: \[PATCH\] HID: picolcd\_core: Remove setting hdev-\>claimed before calling hid\_hw\_start()

- From: Bruno Prémont \<bonbons@linux-vserver.org\>
- Date: 2012-09-17 16:35:32 
- List: linux-input
- Page: https://ratatoskr.run/linux-input/2012/09/8920248
- Thread: https://ratatoskr.run/linux-input/2012/09/8920196/t.md

```text
On Fri, 14 September 2012 Axel Lin [ref] wrote:
> Current implementation of hid_hw_start() allows connect_mask to be 0.
> Setting hdev->claimed = HID_CLAIMED_INPUT before calling hid_hw_start() is not
> necessary. Remove it.
> 
> Signed-off-by: Axel Lin <redacted>

Acked-By: Bruno Prémont <bonbons@linux-vserver.org>

This same change was applied to 3.6 but got lost while applying my
patches on 3.6rc.

I will what else (of 3.5 -> 3.6 changes) might have been lost while applying
driver code split.

Thanks for spotting.

Bruno


> ---
>  drivers/hid/hid-picolcd_core.c |    4 ----
>  1 file changed, 4 deletions(-)
> 
> diff --git a/drivers/hid/hid-picolcd_core.c b/drivers/hid/hid-picolcd_core.c
> index 8c9ec1f..e30e703 100644
> --- a/drivers/hid/hid-picolcd_core.c
> +++ b/drivers/hid/hid-picolcd_core.c
> @@ -583,11 +583,7 @@ static int picolcd_probe(struct hid_device *hdev,
>  		goto err_cleanup_data;
>  	}
>  
> -	/* We don't use hidinput but hid_hw_start() fails if nothing is
> -	 * claimed. So spoof claimed input. */
> -	hdev->claimed = HID_CLAIMED_INPUT;
>  	error = hid_hw_start(hdev, 0);
> -	hdev->claimed = 0;
>  	if (error) {
>  		hid_err(hdev, "hardware start failed\n");
>  		goto err_cleanup_data;
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```