Revert "usb: misc: Add onboard_usb_hub driver"

This reverts commit 0298b4b9.

The series still has built errors as reported in linux-next, so revert
it for now.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Link: https://lore.kernel.org/r/20220502210728.0b36f3cd@canb.auug.org.au
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Douglas Anderson <dianders@chromium.org>
Cc: Matthias Kaehlcke <mka@chromium.org>
Cc: Ravi Chandra Sadineni <ravisadineni@chromium.org>
Cc: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Documentation/ABI/testing/sysfs-bus-platform-onboard-usb-hub

-What:		/sys/bus/platform/devices/<dev>/always_powered_in_suspend
-Date:		February 2022
-KernelVersion:	5.18
-Contact:	Matthias Kaehlcke <matthias@kaehlcke.net>
-		linux-usb@vger.kernel.org
-Description:
-		(RW) Controls whether the USB hub remains always powered
-		during system suspend or not.
\ No newline at end of file

MAINTAINERS

@@ -14631,13 +14631,6 @@ S:	Maintained
 T:	git git://linuxtv.org/media_tree.git
 F:	drivers/media/i2c/ov9734.c
 
-ONBOARD USB HUB DRIVER
-M:	Matthias Kaehlcke <mka@chromium.org>
-L:	linux-usb@vger.kernel.org
-S:	Maintained
-F:	Documentation/ABI/testing/sysfs-bus-platform-onboard-usb-hub
-F:	drivers/usb/misc/onboard_usb_hub.c
-
 ONENAND FLASH DRIVER
 M:	Kyungmin Park <kyungmin.park@samsung.com>
 L:	linux-mtd@lists.infradead.org

drivers/usb/misc/Kconfig

@@ -295,26 +295,3 @@ config BRCM_USB_PINMAP
 	  This option enables support for remapping some USB external
 	  signals, which are typically on dedicated pins on the chip,
 	  to any gpio.
-
-config USB_ONBOARD_HUB
-	bool "Onboard USB hub support"
-	depends on OF || COMPILE_TEST
-	help
-	  Say Y here if you want to support discrete onboard USB hubs that
-	  don't require an additional control bus for initialization, but
-	  need some non-trivial form of initialization, such as enabling a
-	  power regulator. An example for such a hub is the Realtek
-	  RTS5411.
-
-	  This driver can be used as a module but its state (module vs
-	  builtin) must match the state of the USB subsystem. Enabling
-	  this config will enable the driver and it will automatically
-	  match the state of the USB subsystem. If this driver is a
-	  module it will be called onboard_usb_hub.
-
-if USB_ONBOARD_HUB
-config USB_ONBOARD_HUB_ACTUAL
-	tristate
-	default m if USB=m
-	default y if USB=y
-endif

drivers/usb/misc/Makefile

@@ -33,4 +33,3 @@ obj-$(CONFIG_USB_CHAOSKEY)		+= chaoskey.o
 obj-$(CONFIG_USB_SISUSBVGA)		+= sisusbvga/
 obj-$(CONFIG_USB_LINK_LAYER_TEST)	+= lvstest.o
 obj-$(CONFIG_BRCM_USB_PINMAP)		+= brcmstb-usb-pinmap.o
-obj-$(CONFIG_USB_ONBOARD_HUB_ACTUAL)	+= onboard_usb_hub.o

include/linux/usb/onboard_hub.h

-/* SPDX-License-Identifier: GPL-2.0 */
-
-#ifndef __LINUX_USB_ONBOARD_HUB_H
-#define __LINUX_USB_ONBOARD_HUB_H
-
-struct usb_device;
-struct list_head;
-
-#if IS_ENABLED(CONFIG_USB_ONBOARD_HUB)
-void onboard_hub_create_pdevs(struct usb_device *parent_hub, struct list_head *pdev_list);
-void onboard_hub_destroy_pdevs(struct list_head *pdev_list);
-#else
-static inline void onboard_hub_create_pdevs(struct usb_device *parent_hub,
-					    struct list_head *pdev_list) {}
-static inline void onboard_hub_destroy_pdevs(struct list_head *pdev_list) {}
-#endif
-
-#endif /* __LINUX_USB_ONBOARD_HUB_H */