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1What: /sys/devices/.../removable2Date: May 20213Contact: Rajat Jain <rajatxjain@gmail.com>4Description:5 Information about whether a given device can be removed from the6 platform by the user. This is determined by its subsystem in a7 bus / platform-specific way. This attribute is only present for8 devices that can support determining such information:9 10 =========== ===================================================11 "removable" device can be removed from the platform by the user12 "fixed" device is fixed to the platform / cannot be removed13 by the user.14 "unknown" The information is unavailable / cannot be deduced.15 =========== ===================================================16 17 Currently this is only supported by USB (which infers the18 information from a combination of hub descriptor bits and19 platform-specific data such as ACPI) and PCI (which gets this20 from ACPI / device tree).21