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Re: [Qemu-devel] [PATCH 13/22] usb: Add an int_req flag to USBPacket


From: Gerd Hoffmann
Subject: Re: [Qemu-devel] [PATCH 13/22] usb: Add an int_req flag to USBPacket
Date: Wed, 17 Oct 2012 13:04:56 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.8) Gecko/20121012 Thunderbird/10.0.8

On 10/15/12 12:38, Hans de Goede wrote:
> -    usb_packet_setup(&xfer->packet, dir, ep, xfer->trbs[0].addr, false);
> +    int_req = false;
> +    for (i = 0; i < xfer->trb_count; i++) {
> +        if (xfer->trbs[i].control & TRB_TR_IOC) {
> +            int_req = true;
> +            break;
> +        }
> +    }

Guess we better add a new int_req field to XHCITransfer and fill it when
walking the trb list _anyway_, so we don't have to loop again.

cheers,
  Gerd



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