usb: common: create Kconfig file

Create Kconfig file for USB common core, and move USB_LED_TRIG
and USB_ULPI_BUS configs into the new file from the parent Kconfig,
it will help to add new configs later.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1567070558-29417-10-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2 files changed, 39 insertions, 34 deletions

diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig
index fc1c66af6f0a..275568abc670 100644
--- a/drivers/usb/Kconfig
+++ b/drivers/usb/Kconfig
@@ -36,8 +36,7 @@ menuconfig USB_SUPPORT
 
 if USB_SUPPORT
 
-config USB_COMMON
-        tristate
+source "drivers/usb/common/Kconfig"
 
 config USB_ARCH_HAS_HCD
         def_bool y
@@ -175,36 +174,4 @@ source "drivers/usb/typec/Kconfig"
 
 source "drivers/usb/roles/Kconfig"
 
-config USB_LED_TRIG
-        bool "USB LED Triggers"
-        depends on LEDS_CLASS && LEDS_TRIGGERS
-        select USB_COMMON
-        help
-          This option adds LED triggers for USB host and/or gadget activity.
-
-          Say Y here if you are working on a system with led-class supported
-          LEDs and you want to use them as activity indicators for USB host or
-          gadget.
-
-config USB_ULPI_BUS
-        tristate "USB ULPI PHY interface support"
-        select USB_COMMON
-        help
-          UTMI+ Low Pin Interface (ULPI) is specification for a commonly used
-          USB 2.0 PHY interface. The ULPI specification defines a standard set
-          of registers that can be used to detect the vendor and product which
-          allows ULPI to be handled as a bus. This module is the driver for that
-          bus.
-
-          The ULPI interfaces (the buses) are registered by the drivers for USB
-          controllers which support ULPI register access and have ULPI PHY
-          attached to them. The ULPI PHY drivers themselves are normal PHY
-          drivers.
-
-          ULPI PHYs provide often functions such as ADP sensing/probing (OTG
-          protocol) and USB charger detection.
-
-          To compile this driver as a module, choose M here: the module will
-          be called ulpi.
-
 endif # USB_SUPPORT
diff --git a/drivers/usb/common/Kconfig b/drivers/usb/common/Kconfig
new file mode 100644
index 000000000000..848545b099cf
--- /dev/null
+++ b/drivers/usb/common/Kconfig
@@ -0,0 +1,38 @@
+# SPDX-License-Identifier: GPL-2.0
+
+config USB_COMMON
+        tristate
+
+
+config USB_LED_TRIG
+        bool "USB LED Triggers"
+        depends on LEDS_CLASS && LEDS_TRIGGERS
+        select USB_COMMON
+        help
+          This option adds LED triggers for USB host and/or gadget activity.
+
+          Say Y here if you are working on a system with led-class supported
+          LEDs and you want to use them as activity indicators for USB host or
+          gadget.
+
+config USB_ULPI_BUS
+        tristate "USB ULPI PHY interface support"
+        select USB_COMMON
+        help
+          UTMI+ Low Pin Interface (ULPI) is specification for a commonly used
+          USB 2.0 PHY interface. The ULPI specification defines a standard set
+          of registers that can be used to detect the vendor and product which
+          allows ULPI to be handled as a bus. This module is the driver for that
+          bus.
+
+          The ULPI interfaces (the buses) are registered by the drivers for USB
+          controllers which support ULPI register access and have ULPI PHY
+          attached to them. The ULPI PHY drivers themselves are normal PHY
+          drivers.
+
+          ULPI PHYs provide often functions such as ADP sensing/probing (OTG
+          protocol) and USB charger detection.
+
+          To compile this driver as a module, choose M here: the module will
+          be called ulpi.
+