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8c88126bbb
Correct spelling typo in Kconfig. Signed-off-by: Masanari Iida <standby24x7@gmail.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
92 lines
3.2 KiB
Plaintext
92 lines
3.2 KiB
Plaintext
#
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# USB Core configuration
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#
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config USB_DEBUG
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bool "USB verbose debug messages"
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help
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Say Y here if you want the USB core & hub drivers to produce a bunch
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of debug messages to the system log. Select this if you are having a
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problem with USB support and want to see more of what is going on.
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config USB_ANNOUNCE_NEW_DEVICES
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bool "USB announce new devices"
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default N
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help
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Say Y here if you want the USB core to always announce the
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idVendor, idProduct, Manufacturer, Product, and SerialNumber
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strings for every new USB device to the syslog. This option is
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usually used by distro vendors to help with debugging and to
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let users know what specific device was added to the machine
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in what location.
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If you do not want this kind of information sent to the system
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log, or have any doubts about this, say N here.
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comment "Miscellaneous USB options"
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config USB_DEFAULT_PERSIST
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bool "Enable USB persist by default"
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default y
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help
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Say N here if you don't want USB power session persistence
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enabled by default. If you say N it will make suspended USB
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devices that lose power get reenumerated as if they had been
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unplugged, causing any mounted filesystems to be lost. The
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persist feature can still be enabled for individual devices
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through the power/persist sysfs node. See
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Documentation/usb/persist.txt for more info.
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If you have any questions about this, say Y here, only say N
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if you know exactly what you are doing.
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config USB_DYNAMIC_MINORS
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bool "Dynamic USB minor allocation"
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help
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If you say Y here, the USB subsystem will use dynamic minor
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allocation for any device that uses the USB major number.
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This means that you can have more than 16 of a single type
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of device (like USB printers).
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If you are unsure about this, say N here.
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config USB_OTG
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bool "OTG support"
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depends on PM_RUNTIME
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default n
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help
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The most notable feature of USB OTG is support for a
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"Dual-Role" device, which can act as either a device
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or a host. The initial role is decided by the type of
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plug inserted and can be changed later when two dual
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role devices talk to each other.
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Select this only if your board has Mini-AB/Micro-AB
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connector.
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config USB_OTG_WHITELIST
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bool "Rely on OTG Targeted Peripherals List"
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depends on USB_OTG || EXPERT
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default y if USB_OTG
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help
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If you say Y here, the "otg_whitelist.h" file will be used as a
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product whitelist, so USB peripherals not listed there will be
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rejected during enumeration. This behavior is required by the
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USB OTG specification for all devices not on your product's
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"Targeted Peripherals List". "Embedded Hosts" are likewise
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allowed to support only a limited number of peripherals.
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Otherwise, peripherals not listed there will only generate a
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warning and enumeration will continue. That's more like what
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normal Linux-USB hosts do (other than the warning), and is
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convenient for many stages of product development.
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config USB_OTG_BLACKLIST_HUB
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bool "Disable external hubs"
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depends on USB_OTG || EXPERT
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help
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If you say Y here, then Linux will refuse to enumerate
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external hubs. OTG hosts are allowed to reduce hardware
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and software costs by not supporting external hubs. So
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are "Embedded Hosts" that don't offer OTG support.
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