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 611438F58 for ; Mon, 13 Feb 2023 15:06:07 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DCB0DC433EF; Mon, 13 Feb 2023 15:06:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1676300767; bh=ep643o6owxTcqb5col+8TTJuDH0Kmi1U8qOUMaF+nCQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SVisKfHb358iv29wuLAEQKeY4Yc1Moy/jBmua+WsO/OY+CclpZRQXgjCnkwN9joEC N3ABFYtGT3V3oTm7DfDd9UrkgX/7YCvRBUFOsc0aU+a/X+4Y1oef+4sOIyfr1eQ/Pq wfJBqx3+yfYeWDSLvDy9oGIP3N/siCaTF8Q1+4Qg= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Miroslav Zatko , Dennis Wassenberg , Mark Pearson Subject: [PATCH 5.10 131/139] usb: core: add quirk for Alcor Link AK9563 smartcard reader Date: Mon, 13 Feb 2023 15:51:16 +0100 Message-Id: <20230213144752.896439739@linuxfoundation.org> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230213144745.696901179@linuxfoundation.org> References: <20230213144745.696901179@linuxfoundation.org> User-Agent: quilt/0.67 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 From: Mark Pearson commit 303e724d7b1e1a0a93daf0b1ab5f7c4f53543b34 upstream. The Alcor Link AK9563 smartcard reader used on some Lenovo platforms doesn't work. If LPM is enabled the reader will provide an invalid usb config descriptor. Added quirk to disable LPM. Verified fix on Lenovo P16 G1 and T14 G3 Tested-by: Miroslav Zatko Tested-by: Dennis Wassenberg Cc: stable@vger.kernel.org Signed-off-by: Dennis Wassenberg Signed-off-by: Mark Pearson Link: https://lore.kernel.org/r/20230208181223.1092654-1-mpearson-lenovo@squebb.ca 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 @@ -527,6 +527,9 @@ static const struct usb_device_id usb_qu /* DJI CineSSD */ { USB_DEVICE(0x2ca3, 0x0031), .driver_info = USB_QUIRK_NO_LPM }, + /* Alcor Link AK9563 SC Reader used in 2022 Lenovo ThinkPads */ + { USB_DEVICE(0x2ce3, 0x9563), .driver_info = USB_QUIRK_NO_LPM }, + /* DELL USB GEN2 */ { USB_DEVICE(0x413c, 0xb062), .driver_info = USB_QUIRK_NO_LPM | USB_QUIRK_RESET_RESUME },