From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 32AF03909B0 for ; Fri, 13 Mar 2026 12:04:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773403488; cv=none; b=iVoEqC8i63HrsWMw8ABcPcpeLdo5ccbZJpVuYeJdmSy+kY1F/RzfiSbkcS4IXUWh01ypLR5x0tJGseLlEsCCR9uhW2lXNSDHyEPlcqDcpe/W1NAY4sXArQfsxuGiA8C/jJHEhWCraivBc993DRVYCyaXhgnL5PP00i6EHOxqilg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773403488; c=relaxed/simple; bh=uaTH2WFyrakbtrHqg7pSFlUr96ikdaN4gFtFZCG6UHk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=uilanwtE89gfL4YIS4kOHqiGc0pW0jqI/c1LB2nxaqRx23YBDylbC3GxFmci4V1GPrN61R/+pde7Hl0kOXyUjN0SuwBx3sy0J3JMGukOtkRizy/mAd3VcMrPvg5y+ikcoNGd5wpHmqpo4D9viVVZpzkDufDXXMQk/hOHXO3k6fM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=m/J044Bc; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="m/J044Bc" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 58885C19421; Fri, 13 Mar 2026 12:04:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1773403487; bh=uaTH2WFyrakbtrHqg7pSFlUr96ikdaN4gFtFZCG6UHk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=m/J044BcpcMJ6Wx0jQlgGrlxCCkiDgl0ITtpoHxjMLHllT3irHVfnxoTNPjKeeLug h9qjl+SY268A+2OrZi5RIr9GTXQu8B7FiaN6uVQB++zV9DDMwehEldh4f1WaVdpUts acApoAPRlgsoeiUpXi1j6Zie3bW5ah/tiWYGtwcs= Date: Fri, 13 Mar 2026 13:04:42 +0100 From: Greg KH To: Vyacheslav Vahnenko Cc: linux-usb@vger.kernel.org Subject: Re: Message-ID: <2026031332-askew-policy-c4ec@gregkh> References: <2026031334-luxury-sheath-81aa@gregkh> <20260313110141.26264-1-vahnenko2003@gmail.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260313110141.26264-1-vahnenko2003@gmail.com> On Fri, Mar 13, 2026 at 02:01:41PM +0300, Vyacheslav Vahnenko wrote: > Add USB_QUIRK_NO_BOS for ezcap401 capture card, without it dmesg will show "unable to get BOS descriptor or descriptor too short" > and "unable to read config index 0 descriptor/start: -71" errors and device will not able to work at full speed at 10gbs > > Subject: ezcap401 needs USB_QUIRK_NO_BOS to function on 10gbs usb speed Close, this should actually be the subject line, you forgot to have one entirely in your email :) And can you wrap the changelog text at 72 columns, like your editor should have asked you to when making this change? If you run your patch through scripts/checkpatch.pl before sending it, it should tell you about these types of things. > Signed-off-by: Vyacheslav Vahnenko > --- > drivers/usb/core/quirks.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c > index 9e7e49712..0010f41a3 100644 > --- a/drivers/usb/core/quirks.c > +++ b/drivers/usb/core/quirks.c > @@ -574,6 +574,9 @@ static const struct usb_device_id usb_quirk_list[] = { > /* Alcor Link AK9563 SC Reader used in 2022 Lenovo ThinkPads */ > { USB_DEVICE(0x2ce3, 0x9563), .driver_info = USB_QUIRK_NO_LPM }, > > + /* ezcap401 - BOS descriptor fetch hangs at SuperSpeed Plus */ > + { USB_DEVICE(0x32ed, 0x0401), .driver_info = USB_QUIRK_NO_BOS }, This looks good, thanks for putting it in the right place. Almost there! greg k-h