mirror of https://gitee.com/openkylin/linux.git
USB: usb_gadget.h whitespace fixes
This just fixes some whitespace bugs in <linux/usb_gadget.h>, mostly extraneous spaces where a single tab suffices. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
David Brownell
Greg Kroah-Hartman
parent
9f705bde6e
commit
efc9052e01
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@ -22,10 +22,10 @@ struct usb_ep;
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/**
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* struct usb_request - describes one i/o request
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* @buf: Buffer used for data. Always provide this; some controllers
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* only use PIO, or don't use DMA for some endpoints.
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* only use PIO, or don't use DMA for some endpoints.
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* @dma: DMA address corresponding to 'buf'. If you don't set this
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* field, and the usb controller needs one, it is responsible
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* for mapping and unmapping the buffer.
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* field, and the usb controller needs one, it is responsible
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* for mapping and unmapping the buffer.
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* @length: Length of that data
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* @no_interrupt: If true, hints that no completion irq is needed.
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* Helpful sometimes with deep request queues that are handled
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@ -45,16 +45,16 @@ struct usb_ep;
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* @context: For use by the completion callback
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* @list: For use by the gadget driver.
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* @status: Reports completion code, zero or a negative errno.
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* Normally, faults block the transfer queue from advancing until
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* the completion callback returns.
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* Code "-ESHUTDOWN" indicates completion caused by device disconnect,
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* or when the driver disabled the endpoint.
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* Normally, faults block the transfer queue from advancing until
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* the completion callback returns.
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* Code "-ESHUTDOWN" indicates completion caused by device disconnect,
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* or when the driver disabled the endpoint.
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* @actual: Reports bytes transferred to/from the buffer. For reads (OUT
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* transfers) this may be less than the requested length. If the
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* short_not_ok flag is set, short reads are treated as errors
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* even when status otherwise indicates successful completion.
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* Note that for writes (IN transfers) some data bytes may still
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* reside in a device-side FIFO when the request is reported as
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* transfers) this may be less than the requested length. If the
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* short_not_ok flag is set, short reads are treated as errors
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* even when status otherwise indicates successful completion.
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* Note that for writes (IN transfers) some data bytes may still
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* reside in a device-side FIFO when the request is reported as
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* complete.
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*
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* These are allocated/freed through the endpoint they're used with. The
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@ -128,7 +128,7 @@ struct usb_ep_ops {
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* value can sometimes be reduced (hardware allowing), according to
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* the endpoint descriptor used to configure the endpoint.
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* @driver_data:for use by the gadget driver. all other fields are
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* read-only to gadget drivers.
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* read-only to gadget drivers.
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*
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* the bus controller driver lists all the general purpose endpoints in
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* gadget->ep_list. the control endpoint (gadget->ep0) is not in that list,
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@ -148,10 +148,10 @@ struct usb_ep {
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/**
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* usb_ep_enable - configure endpoint, making it usable
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* @ep:the endpoint being configured. may not be the endpoint named "ep0".
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* drivers discover endpoints through the ep_list of a usb_gadget.
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* drivers discover endpoints through the ep_list of a usb_gadget.
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* @desc:descriptor for desired behavior. caller guarantees this pointer
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* remains valid until the endpoint is disabled; the data byte order
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* is little-endian (usb-standard).
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* remains valid until the endpoint is disabled; the data byte order
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* is little-endian (usb-standard).
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*
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* when configurations are set, or when interface settings change, the driver
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* will enable or disable the relevant endpoints. while it is enabled, an
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@ -232,7 +232,7 @@ usb_ep_free_request (struct usb_ep *ep, struct usb_request *req)
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* @ep:the endpoint associated with the request
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* @req:the request being submitted
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* @gfp_flags: GFP_* flags to use in case the lower level driver couldn't
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* pre-allocate all necessary memory with the request.
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* pre-allocate all necessary memory with the request.
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*
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* This tells the device controller to perform the specified request through
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* that endpoint (reading or writing a buffer). When the request completes,
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@ -415,7 +415,7 @@ struct usb_gadget_ops {
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* struct usb_gadget - represents a usb slave device
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* @ops: Function pointers used to access hardware-specific operations.
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* @ep0: Endpoint zero, used when reading or writing responses to
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* driver setup() requests
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* driver setup() requests
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* @ep_list: List of other endpoints supported by the device.
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* @speed: Speed of current connection to USB host.
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* @is_dualspeed: True if the controller supports both high and full speed
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@ -432,7 +432,7 @@ struct usb_gadget_ops {
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* @b_hnp_enable: OTG device feature flag, indicating that the A-Host
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* enabled HNP support.
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* @name: Identifies the controller hardware type. Used in diagnostics
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* and sometimes configuration.
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* and sometimes configuration.
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* @dev: Driver model state for this abstract device.
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*
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* Gadgets have a mostly-portable "gadget driver" implementing device
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@ -655,23 +655,23 @@ usb_gadget_disconnect (struct usb_gadget *gadget)
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* @function: String describing the gadget's function
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* @speed: Highest speed the driver handles.
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* @bind: Invoked when the driver is bound to a gadget, usually
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* after registering the driver.
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* At that point, ep0 is fully initialized, and ep_list holds
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* the currently-available endpoints.
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* Called in a context that permits sleeping.
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* after registering the driver.
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* At that point, ep0 is fully initialized, and ep_list holds
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* the currently-available endpoints.
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* Called in a context that permits sleeping.
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* @setup: Invoked for ep0 control requests that aren't handled by
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* the hardware level driver. Most calls must be handled by
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* the gadget driver, including descriptor and configuration
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* management. The 16 bit members of the setup data are in
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* USB byte order. Called in_interrupt; this may not sleep. Driver
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* the hardware level driver. Most calls must be handled by
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* the gadget driver, including descriptor and configuration
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* management. The 16 bit members of the setup data are in
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* USB byte order. Called in_interrupt; this may not sleep. Driver
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* queues a response to ep0, or returns negative to stall.
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* @disconnect: Invoked after all transfers have been stopped,
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* when the host is disconnected. May be called in_interrupt; this
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* may not sleep. Some devices can't detect disconnect, so this might
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* when the host is disconnected. May be called in_interrupt; this
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* may not sleep. Some devices can't detect disconnect, so this might
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* not be called except as part of controller shutdown.
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* @unbind: Invoked when the driver is unbound from a gadget,
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* usually from rmmod (after a disconnect is reported).
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* Called in a context that permits sleeping.
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* usually from rmmod (after a disconnect is reported).
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* Called in a context that permits sleeping.
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* @suspend: Invoked on USB suspend. May be called in_interrupt.
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* @resume: Invoked on USB resume. May be called in_interrupt.
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* @driver: Driver model state for this driver.
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