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 10B98220F38; Tue, 8 Jul 2025 07:33:21 +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=1751960002; cv=none; b=NbjHe5d4UA8GLc7kb9Jo1rlbJwH2XhKTYTZoby4wwadso4/VbM9YPOOMV8/MIYZEABSPfQY1nbdbxmEipFgphGxgPwrcGUfuD4uw5qfUNE4E6q2PLKuthXWjteyRx00HdSNqObYdq+t/fOBsAQ8g4bruAjkckxyOJX9/Kn7Ww5A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751960002; c=relaxed/simple; bh=aKRhOcZ8Qjp0Em2Ph5UFHo25AahL0FqSJQPHHtZj0g4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=DIM2q416SeRnVIE/Utln7X6MGZhKHdUOcHzdGR6tZchTzer8QapULmn303+cwXxDDYhB1QhtNAB6YFsIRskSjwRxaHnM0GQ9eNz3Q5lWDBej+adUL3/cZr0xJOxeVRlVfB0b73dHluiQF1Ua5uTe0ItTsLx6QjrrTWc1zup9ASM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=x1UKY1my; 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="x1UKY1my" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2ADF4C4CEF1; Tue, 8 Jul 2025 07:33:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1751960001; bh=aKRhOcZ8Qjp0Em2Ph5UFHo25AahL0FqSJQPHHtZj0g4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=x1UKY1myZUr+KAU6chYYab3h3jg6fIL2z8tX/L2pCGMOTnEyMP0gt27vi+vueZnoh 1T3Ok8kB6kvtxvFdo8kVt6m49zuWbdIfgwP66GhChNO1zgpu6RP6v1UYeL2fLqLXtw IO2YIOK0zi4xN5KHoiGu8ck8YqslapQKnuEri3Rk= Date: Tue, 8 Jul 2025 09:33:18 +0200 From: Greg KH To: Jie Deng Cc: stern@rowland.harvard.edu, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, usb-storage@lists.one-eyed-alien.net Subject: Re: [PATCH v2] usb: storage: Ignore UAS driver for SanDisk Extreme Pro 55AF storage device Message-ID: <2025070810-nintendo-congenial-95d4@gregkh> References: <2025070422-punctured-opal-f51e@gregkh> <20250707062507.39531-1-dengjie03@kylinos.cn> <2025070702-unsigned-runny-62c6@gregkh> <4bac2d53-0e5b-437e-92bc-12921a8efd8d@kylinos.cn> 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: <4bac2d53-0e5b-437e-92bc-12921a8efd8d@kylinos.cn> On Tue, Jul 08, 2025 at 01:55:47PM +0800, Jie Deng wrote: > 2. Regarding your question, before submitting the patch, > I conducted the following tests: > 1) linux + x86: The SanDisk Extreme Pro 55AF device can be recognized > normally when using the uas driver. USB controller model (VendorID: > 1D94, DeviceID: 145F,Chengdu Haiguang IC Design Co., Ltd.USB 3.0 Host > controller) So it all works, great! > 2) linux + arm64: The SanDisk Extreme Pro 55AF device will report an error > when > using the uas driver and the driver cannot be loaded. USB Controller model > (Vendor ID: 1912, Device ID: 0014,uPD720201 USB 3.0 Host Controller). Ok, that sounds like an arm64 issue we should resolve. Why can the driver not be loaded at all? What happens? > 3) linux + arm64: Add the parameter "USB-storage.quirks =0781:55af:u" in > grub. > The SanDisk Extreme Pro 55AF device runs the usb storage driver without any > error > and can be recognized normally. Let's track down and fix the arm64 issue here please, and not paper over it by saying that this whole device will not work well on all arches. thakns, greg k-h