From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 4CB9C3B8120; Tue, 21 Jul 2026 22:34:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784673265; cv=none; b=m6/s8zv0NznqPcSJMzyn1xvG30EholQBzEgp9mEufP5TgQFRIAgBR6O8+EYazABP3j3pSeXCf+A9ivJcyp/7bU7m1aQrJvIEhiSM23PKN/hY0YMWtLiFMGBiogNfFB3MP0sXGjE4BbB6kwlsbaBq4lh2TR8Att+rSfGAJcHB+7g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784673265; c=relaxed/simple; bh=UYuUOv3xj3hm8YLG8jIDRDqk/ipu9NJLb3leU3qh884=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=YJYl+o9/WLoQ8Yugay2uqTcD6H9I4yoa+qiZ7qN7nZJaEqDzMwe7BwcsWl86WNhoOl9S7+9yucxIM4aTlpZKmPpH7TfFK58CqRN56IkV0VWl195GnrDw/W8Bv1ORcrpBc66uq+qToDFZ2UNoHQecYHSkXpT5alU1/wBNROn+S1c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=JnSqvvuQ; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="JnSqvvuQ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AD52E1F000E9; Tue, 21 Jul 2026 22:34:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1784673264; bh=c0uZBbC7gdiXJhHKHWFsuNUWn38/fGDuH+wDjoMk5GY=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=JnSqvvuQTQ3nHaryhFkPcxQavZHiN1VP6upULu2knSHnj98iJ2USbZrATQWEYhBtz X5nbCEwPRbILC2QxXdlJkit4wNN5Pt3YZRSUPUDOvDhtwhlBwygsG2R2CwWuHo6jH4 4cA+lyfRSZbM2b3ZRQHQiuSWXsumcGZErD+lPMwk= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, =?UTF-8?q?Rodrigo=20Lugathe=20da=20Concei=C3=A7=C3=A3o=20Alves?= , stable Subject: [PATCH 5.10 098/699] USB: core: add USB_QUIRK_NO_LPM for VIA Labs USB 2.0 hub Date: Tue, 21 Jul 2026 17:17:37 +0200 Message-ID: <20260721152357.911540425@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260721152355.667394603@linuxfoundation.org> References: <20260721152355.667394603@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 5.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: Rodrigo Lugathe da Conceição Alves commit bd728c3d9b1cc0bb0fda6a7055c5c8b55d7477b2 upstream. The VIA Labs, Inc. USB 2.0 hub controller (2109:2817), found in a KVM switch, fails to enumerate high-power devices during cold boot and system restart. Applying the kernel parameter usbcore.quirks=2109:2817:k resolves the issue. Enumeration failure log: usb 1-1.2.3: device descriptor read/64, error -32 usb 1-1.2.3: Device not responding to setup address. usb 1-1.2.3: device not accepting address 11, error -71 usb 1-1.2-port3: unable to enumerate USB device Add USB_QUIRK_NO_LPM for this device. Signed-off-by: Rodrigo Lugathe da Conceição Alves Cc: stable Link: https://patch.msgid.link/20260603113626.395612-1-lugathe2@gmail.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/quirks.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -561,6 +561,9 @@ static const struct usb_device_id usb_qu /* VLI disk */ { USB_DEVICE(0x2109, 0x0711), .driver_info = USB_QUIRK_NO_LPM }, + /* VIA Labs, Inc. USB2.0 Hub */ + { USB_DEVICE(0x2109, 0x2817), .driver_info = USB_QUIRK_NO_LPM }, + /* Raydium Touchscreen */ { USB_DEVICE(0x2386, 0x3114), .driver_info = USB_QUIRK_NO_LPM },