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3d54d10c6a
When EXTCON is a loadable module, mtu3 fails to link as built-in:
drivers/usb/mtu3/mtu3_plat.o: In function `mtu3_probe':
mtu3_plat.c:(.text+0x690): undefined reference to `extcon_get_edev_by_phandle'
Add a Kconfig dependency to force mtu3 also to be a loadable module
if extconn is, but still allow it to be built without extcon.
Fixes: d0ed062a8b ("usb: mtu3: dual-role mode support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
59 lines
1.6 KiB
Plaintext
59 lines
1.6 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0
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#
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# For MTK USB3.0 IP
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config USB_MTU3
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tristate "MediaTek USB3 Dual Role controller"
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depends on USB || USB_GADGET
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depends on ARCH_MEDIATEK || COMPILE_TEST
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depends on EXTCON || !EXTCON
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select USB_XHCI_MTK if USB_SUPPORT && USB_XHCI_HCD
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help
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Say Y or M here if your system runs on MediaTek SoCs with
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Dual Role SuperSpeed USB controller. You can select usb
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mode as peripheral role or host role, or both.
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If you don't know what this is, please say N.
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Choose M here to compile this driver as a module, and it
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will be called mtu3.ko.
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if USB_MTU3
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choice
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bool "MTU3 Mode Selection"
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default USB_MTU3_DUAL_ROLE if (USB && USB_GADGET)
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default USB_MTU3_HOST if (USB && !USB_GADGET)
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default USB_MTU3_GADGET if (!USB && USB_GADGET)
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config USB_MTU3_HOST
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bool "Host only mode"
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depends on USB=y || USB=USB_MTU3
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help
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Select this when you want to use MTU3 in host mode only,
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thereby the gadget feature will be regressed.
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config USB_MTU3_GADGET
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bool "Gadget only mode"
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depends on USB_GADGET=y || USB_GADGET=USB_MTU3
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help
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Select this when you want to use MTU3 in gadget mode only,
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thereby the host feature will be regressed.
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config USB_MTU3_DUAL_ROLE
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bool "Dual Role mode"
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depends on ((USB=y || USB=USB_MTU3) && (USB_GADGET=y || USB_GADGET=USB_MTU3))
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depends on (EXTCON=y || EXTCON=USB_MTU3)
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help
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This is the default mode of working of MTU3 controller where
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both host and gadget features are enabled.
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endchoice
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config USB_MTU3_DEBUG
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bool "Enable Debugging Messages"
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help
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Say Y here to enable debugging messages in the MTU3 Driver.
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endif
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