On Tue, Nov 16, 2021 at 12:07:39PM -0800, Matthias Kaehlcke wrote:

Some USB controller drivers that depend on the xhci-plat driver
specify this dependency using 'select' in Kconfig. This is not
recommended for symbols that have other dependencies as it may
lead to invalid configurations. Use 'depends on' to specify the
dependency instead of 'select'.

For dwc3 specify the dependency on USB_XHCI_PLATFORM in
USB_DWC3_HOST and USB_DWC3_DUAL_ROLE. Also adjust the
dependencies of USB_DWC3_CORE to make sure that at least one
of USB_DWC3_HOST, USB_DWC3_GADGET or USB_DWC3_DUAL_ROLE can be
selected.

Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>

Note: This patch has been removed from the onboard_usb_hub series,
together with "ARM: configs: Explicitly enable USB_XHCI_PLATFORM
where needed" and "arm64: defconfig: Explicitly enable
USB_XHCI_PLATFORM". These patches aren't any longer needed for the
series. If maintainers think they are useful independently from
the series please pick them or let me know what needs to be
changed to get them landed.

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