Re: [RFCv4 04/24] ohci: no conditional debugging in root hub hadling

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On Thu, 14 Nov 2013 oliver@xxxxxxxxxx wrote:

> From: Oliver Neukum <oneukum@xxxxxxx>
> 
> With dynamic debugging the selection is done in user space
> 
> Signed-off-by: Oliver Neukum <oneukum@xxxxxxx>
> ---
>  drivers/usb/host/ohci-hub.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/drivers/usb/host/ohci-hub.c b/drivers/usb/host/ohci-hub.c
> index 61705a7..953821e 100644
> --- a/drivers/usb/host/ohci-hub.c
> +++ b/drivers/usb/host/ohci-hub.c
> @@ -725,10 +725,7 @@ static int ohci_hub_control (
>  		temp = roothub_portstatus (ohci, wIndex);
>  		put_unaligned_le32(temp, buf);
>  
> -#ifndef	OHCI_VERBOSE_DEBUG
> -	if (*(u16*)(buf+2))	/* only if wPortChange is interesting */
> -#endif
> -		dbg_port (ohci, "GetStatus", wIndex, temp);
> +		dbg_port(ohci, "GetStatus", wIndex, temp);
>  		break;

I think it would be better to keep the "if" statement always.  We don't 
care about port status checks when there hasn't been any status change.

Alan Stern

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