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Message-ID: <594c4e2f-74c4-42dd-9b7c-c3468a55c7ee@zhaoxin.com>
Date: Wed, 28 Feb 2024 05:35:50 +0800
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Subject: Re: [PATCH] USB:UAS:return ENODEV when submit urbs fail with device
 not attached.
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To: Oliver Neukum <oneukum@suse.com>, <stern@rowland.harvard.edu>,
	<gregkh@linuxfoundation.org>, <linux-usb@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>, <linux-scsi@vger.kernel.org>,
	<usb-storage@lists.one-eyed-alien.net>
CC: <WeitaoWang@zhaoxin.com>
References: <20240222165441.6148-1-WeitaoWang-oc@zhaoxin.com>
 <3ff16f34-07a9-4b7e-b51d-b7220f08d88d@suse.com>
 <41daf1a9-590a-e220-84a3-648eb895272b@zhaoxin.com>
 <8f4fe820-2385-40e7-a3c6-51102e57acad@suse.com>
From: "WeitaoWang-oc@zhaoxin.com" <WeitaoWang-oc@zhaoxin.com>
In-Reply-To: <8f4fe820-2385-40e7-a3c6-51102e57acad@suse.com>
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On 2024/2/27 17:05, Oliver Neukum wrote:
> 

> On 22.02.24 21:06, WeitaoWang-oc@zhaoxin.com wrote:
> 
>> Maybe, my description was not accurate enough, here not add new return
>> value to scsi layer,it just add a case to tell device is gone in the uas
>> driver internal and the ENODEV error code not return to scsi layer.
>> Here just notify SCSI layer of device loss through flag DID_NO_CONNECT.
>> This is also hope to fix this issue in the uas driver internal.
> 
> Hi,
> 
> sorry for the delay. OK, I see what you are aiming at. Could you redo
> the patch with a better description, like:
> 
> We need to translate -ENODEV to DID_NOT_CONNECT for the SCSI layer.
> 
Okay, Thanks for your suggestion. And I'll improve this patch
description in the next version.

Thanks & Best regards,
Weitao