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Date:   Wed, 6 Oct 2021 02:41:15 +0200
From:   Andrew Lunn <andrew@lunn.ch>
To:     Rajat Jain <rajatxjain@gmail.com>
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Subject: Re: [PATCH 2/2] usb: hub: Mark devices downstream a removable hub,
 as removable
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> AFAIK, the primary reason / use of this attribute was to distinguish
> devices that can be removed by the user, and really all such devices
> (at least the ones that matter to user) today sit either on PCI or USB
> bus.

Hard disk on SATA? You can hot plug them.

SFP modules on i2c?

I'm sure there are others, which are not PCI or USB.

     Andrew