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 BB4DD219E8F; Sat, 7 Jun 2025 10:11:56 +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=1749291116; cv=none; b=EKqE6rxptsgqRiI3Mj0VzLuw1lfL1Ig5URVjr/Kf1knMd7tIG/es74yfF57pXvakIp7k2Kr0bdzrYVwvIBKPhTiua7RF7S+6/39lTRqquo2ADte//WUcD3SaVItqxEfLadSlC6tCXb/JJheiicJUP9sRF7aomLil3LV7AQWp/Sk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749291116; c=relaxed/simple; bh=ltC+v5cW/y2/O9wr+iW0uZyfU3eV2w8voCI1R+iK9f0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=uo6cCRLZTeM71+MBkFeY20Lw3HezyCGhW9YmJlqxvn2ZScmYQxwtuvKlDP/XzmUevk3iiktUJll7sEXjazGRzxmyIYrec9r8CeeLxAm1+es28jmNsTOkT39ApeY64vqdsPI2ZoIprnhjRcpo34trYfgOGTicbKw+7wG2OdhHGyU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=qNcFihaM; 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="qNcFihaM" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4ECFFC4CEE4; Sat, 7 Jun 2025 10:11:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1749291116; bh=ltC+v5cW/y2/O9wr+iW0uZyfU3eV2w8voCI1R+iK9f0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qNcFihaMTz54VY/eojgebsbjVGwnsZgY1gcCbBF9XEi8EVOi65ZqVmFbicplG3RI8 Nq9BR1wvMYDfuEImPLnrulLBFrAwyXp2sTw7OMwqwZlgSpFEIfzHxqa11UZdn1Z5Ai Vn/FgVgJRLAJOQyEvkrBjWeJ0DX/sJi237tSC3nA= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jiayi Li , stable Subject: [PATCH 6.15 19/34] usb: quirks: Add NO_LPM quirk for SanDisk Extreme 55AE Date: Sat, 7 Jun 2025 12:08:00 +0200 Message-ID: <20250607100720.470251260@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250607100719.711372213@linuxfoundation.org> References: <20250607100719.711372213@linuxfoundation.org> User-Agent: quilt/0.68 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-Transfer-Encoding: 8bit 6.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jiayi Li commit 19f795591947596b5b9efa86fd4b9058e45786e9 upstream. This device exhibits I/O errors during file transfers due to unstable link power management (LPM) behavior. The kernel logs show repeated warm resets and eventual disconnection when LPM is enabled: [ 3467.810740] hub 2-0:1.0: state 7 ports 6 chg 0000 evt 0020 [ 3467.810740] usb usb2-port5: do warm reset [ 3467.866444] usb usb2-port5: not warm reset yet, waiting 50ms [ 3467.907407] sd 0:0:0:0: [sda] tag#12 sense submit err -19 [ 3467.994423] usb usb2-port5: status 02c0, change 0001, 10.0 Gb/s [ 3467.994453] usb 2-5: USB disconnect, device number 4 The error -19 (ENODEV) occurs when the device disappears during write operations. Adding USB_QUIRK_NO_LPM disables link power management for this specific device, resolving the stability issues. Signed-off-by: Jiayi Li Cc: stable Link: https://lore.kernel.org/r/20250508055947.764538-1-lijiayi@kylinos.cn 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 @@ -372,6 +372,9 @@ static const struct usb_device_id usb_qu /* SanDisk Corp. SanDisk 3.2Gen1 */ { USB_DEVICE(0x0781, 0x55a3), .driver_info = USB_QUIRK_DELAY_INIT }, + /* SanDisk Extreme 55AE */ + { USB_DEVICE(0x0781, 0x55ae), .driver_info = USB_QUIRK_NO_LPM }, + /* Realforce 87U Keyboard */ { USB_DEVICE(0x0853, 0x011b), .driver_info = USB_QUIRK_NO_LPM },