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From: Oliver Neukum <oneukum@suse.com>
To: Rajat Jain <rajatja@google.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Alan Stern <stern@rowland.harvard.edu>,
	Thinh Nguyen <Thinh.Nguyen@synopsys.com>,
	Mathias Nyman <mathias.nyman@linux.intel.com>,
	Andrew Lunn <andrew@lunn.ch>,
	Chris Chiu <chris.chiu@canonical.com>,
	linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: levinale@google.com, bleung@google.com, rajatxjain@gmail.com,
	jsbarnes@google.com, pmalani@google.com
Subject: Re: [PATCH 1/2] usb: hub: Mark root hubs on removable devices, as removable.
Date: Thu, 30 Sep 2021 10:02:00 +0200	[thread overview]
Message-ID: <2df726b3-e5c4-0fbb-991d-e31e74348d52@suse.com> (raw)
In-Reply-To: <20210929224823.556943-1-rajatja@google.com>


On 30.09.21 00:48, Rajat Jain wrote:
> Currently all usb root hubs are always marked as DEVICE_REMOVABLE_UNKNOWN
> unconditionally. Let us try to help the users to identify the removable
> root hubs, by checking the device on which the root hub sits. If the base
> (parent) device on which the root hub sits, is removable (e.g. on
> thunderbolt docks), then the roothub is also marked as removable.
>
> Signed-off-by: Rajat Jain <rajatja@google.com>

Hi,

frankly, why? You are needlessly throwing away information about where
in the tree
removal can happen. This looks like a worsening, not an improvement to me.

    Regards
        Oliver


  parent reply	other threads:[~2021-09-30  8:04 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-29 22:48 Rajat Jain
2021-09-29 22:48 ` [PATCH 2/2] usb: hub: Mark devices downstream a removable hub, " Rajat Jain
2021-09-30  5:31   ` Greg Kroah-Hartman
2021-10-04 22:42     ` Rajat Jain
2021-10-05 14:56       ` Alan Stern
2021-10-05 16:51         ` Dmitry Torokhov
2021-10-05 19:59           ` Alan Stern
2021-10-05 23:43             ` Rajat Jain
2021-10-06  0:41               ` Andrew Lunn
2021-10-06 16:08               ` Alan Stern
2021-10-06  9:37             ` Oliver Neukum
2021-10-06 16:10               ` Alan Stern
2021-10-06 18:36                 ` Oliver Neukum
2021-09-30  5:30 ` [PATCH 1/2] usb: hub: Mark root hubs on removable devices, " Greg Kroah-Hartman
2021-10-04 21:51   ` Rajat Jain
2021-09-30  8:02 ` Oliver Neukum [this message]
2021-10-04 21:56   ` Rajat Jain
2021-10-05 11:19 ` Greg Kroah-Hartman
2021-10-05 23:49   ` Rajat Jain

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