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From: Lars Melin <larsm17@gmail.com>
To: tuhaowen <tuhaowen@uniontech.com>,
	stern@rowland.harvard.edu, gregkh@linuxfoundation.org
Cc: linux-usb@vger.kernel.org, usb-storage@lists.one-eyed-alien.net,
	linux-kernel@vger.kernel.org, wangyuli@uniontech.com
Subject: Re: [PATCH] drv/usb: Fix the issue with Realtek USB wireless adapter AC650
Date: Tue, 25 Jun 2024 21:22:20 +0700	[thread overview]
Message-ID: <bb98f8f0-0326-4fc1-8b24-dd35ed0b80fb@gmail.com> (raw)
In-Reply-To: <20240625070724.22044-1-tuhaowen@uniontech.com>

On 2024-06-25 14:07, tuhaowen wrote:
> Due to the dual-mode functionality of the Realtek USB wireless
> adapter AC650, it initially presents itself as a flash drive
> before the driver is installed.
> 
> In Linux, multi-state devices are recognized as storage devices
> on startup because the driver has not yet been loaded.
> 
> As a result, the AC650 is identified as a DISK device at boot,
> preventing the use of its WLAN mode. The issue can only be
> resolved by unplugging and replugging the adapter.
> 

It can be resolved by manually ejecting the created cdrom drive or by 
using usb_modeswitch which will eject the drive as soon as it is 
detected. No need for unplugging/replugging.

thanks
Lars


      parent reply	other threads:[~2024-06-25 14:22 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-06-25  7:07 tuhaowen
2024-06-25 13:36 ` Alan Stern
2024-06-25 14:22 ` Lars Melin [this message]

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