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Fri, 13 Mar 2026 04:01:49 -0700 (PDT) Received: from catato-pc ([212.192.203.108]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5a15981e963sm1057305e87.64.2026.03.13.04.01.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Mar 2026 04:01:48 -0700 (PDT) From: Vyacheslav Vahnenko To: gregkh@linuxfoundation.org Cc: linux-usb@vger.kernel.org, vahnenko2003@gmail.com Subject: Date: Fri, 13 Mar 2026 14:01:41 +0300 Message-ID: <20260313110141.26264-1-vahnenko2003@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <2026031334-luxury-sheath-81aa@gregkh> References: <2026031334-luxury-sheath-81aa@gregkh> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 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 }, + /* DELL USB GEN2 */ { USB_DEVICE(0x413c, 0xb062), .driver_info = USB_QUIRK_NO_LPM | USB_QUIRK_RESET_RESUME }, -- 2.53.0