Commit b9b70170 authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
Browse files

USB: Fix up terminology 



USB is a HOST/DEVICE protocol, as per the specification and all
documentation.  Fix up terms that are not applicable to make things
match up with the terms used through the rest of the USB stack.

Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: default avatarFelipe Balbi <balbi@kernel.org>
Link: https://lore.kernel.org/r/20200630174123.GA1906678@kroah.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 43ff9869

drivers/usb/core/usb.c

+2 −3
Original line number Diff line number Diff line
@@ -19,9 +19,8 @@ 
 * just a collection of helper routines that implement the

 * generic USB things that the real drivers can use..

 *

 * Think of this as a "USB library" rather than anything else.

 * It should be considered a slave, with no callbacks. Callbacks

 * are evil.

 * Think of this as a "USB library" rather than anything else,

 * with no callbacks.  Callbacks are evil.

 */



#include <linux/module.h>

drivers/usb/dwc2/core.h

+1 −1
Original line number Diff line number Diff line
@@ -1036,7 +1036,7 @@ struct dwc2_hregs_backup { 
 * @fifo_mem:			Total internal RAM for FIFOs (bytes)

 * @fifo_map:		Each bit intend for concrete fifo. If that bit is set,

 *			then that fifo is used

 * @gadget:		Represents a usb slave device

 * @gadget:		Represents a usb gadget device

 * @connected:		Used in slave mode. True if device connected with host

 * @eps_in:		The IN endpoints being supplied to the gadget framework

 * @eps_out:		The OUT endpoints being supplied to the gadget framework

drivers/usb/gadget/Kconfig

+2 −2
Original line number Diff line number Diff line
@@ -19,8 +19,8 @@ menuconfig USB_GADGET 
	select USB_COMMON

	select NLS

	help

	   USB is a master/slave protocol, organized with one master

	   host (such as a PC) controlling up to 127 peripheral devices.

	   USB is a host/device protocol, organized with one host (such as a

	   PC) controlling up to 127 peripheral devices.

	   The USB hardware is asymmetric, which makes it easier to set up:

	   you can't connect a "to-the-host" connector to a peripheral.

drivers/usb/gadget/legacy/zero.c

+2 −2
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@@ -11,8 +11,8 @@ 
 * can write a hardware-agnostic gadget driver running inside a USB device.

 * Some hardware details are visible, but don't affect most of the driver.

 *

 * Use it with the Linux host/master side "usbtest" driver to get a basic

 * functional test of your device-side usb stack, or with "usb-skeleton".

 * Use it with the Linux host side "usbtest" driver to get a basic functional

 * test of your device-side usb stack, or with "usb-skeleton".

 *

 * It supports two similar configurations.  One sinks whatever the usb host

 * writes, and in return sources zeroes.  The other loops whatever the host

drivers/usb/gadget/udc/Kconfig

+1 −1
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@@ -474,7 +474,7 @@ config USB_DUMMY_HCD 
	help

	  This host controller driver emulates USB, looping all data transfer

	  requests back to a USB "gadget driver" in the same host.  The host

	  side is the master; the gadget side is the slave.  Gadget drivers

	  side is the controller; the gadget side is the device.  Gadget drivers

	  can be high, full, or low speed; and they have access to endpoints

	  like those from NET2280, PXA2xx, or SA1100 hardware.

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