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21 lines
931 B
Plaintext
21 lines
931 B
Plaintext
What: /sys/devices/.../removable
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Date: May 2021
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Contact: Rajat Jain <rajatxjain@gmail.com>
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Description:
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Information about whether a given device can be removed from the
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platform by the user. This is determined by its subsystem in a
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bus / platform-specific way. This attribute is only present for
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devices that can support determining such information:
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=========== ===================================================
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"removable" device can be removed from the platform by the user
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"fixed" device is fixed to the platform / cannot be removed
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by the user.
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"unknown" The information is unavailable / cannot be deduced.
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=========== ===================================================
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Currently this is only supported by USB (which infers the
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information from a combination of hub descriptor bits and
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platform-specific data such as ACPI) and PCI (which gets this
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from ACPI / device tree).
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