> From: Dinh Nguyen [mailto:dingu...@opensource.altera.com]
> Sent: Tuesday, October 21, 2014 1:48 PM
>
> diff --git a/drivers/usb/dwc2/Kconfig b/drivers/usb/dwc2/Kconfig
> index f93807b..1ea702e 100644
> --- a/drivers/usb/dwc2/Kconfig
> +++ b/drivers/usb/dwc2/Kconfig
> @@ -1,5 +1,5 @@
> config USB_DWC2
> - bool "DesignWare USB2 DRD Core Support"
> + tristate "DesignWare USB2 DRD Core Support"
> depends on USB
> help
> Say Y here if your system has a Dual Role Hi-Speed USB
> @@ -10,31 +10,53 @@ config USB_DWC2
> bus interface module (if you have a PCI bus system) will be
> called dwc2_pci.ko, and the platform interface module (for
> controllers directly connected to the CPU) will be called
> - dwc2_platform.ko. For gadget mode, there will be a single
> - module called dwc2_gadget.ko.
> -
> - NOTE: The s3c-hsotg driver is now renamed to dwc2_gadget. The
> - host and gadget drivers are still currently separate drivers.
> - There are plans to merge the dwc2_gadget driver with the dwc2
> - host driver in the near future to create a dual-role driver.
> + dwc2_platform.ko. For all modes(host, gadget and dual-role), there
> + will be a single module called dwc2.ko.
Maybe "For all modes (host, gadget and dual-role), there will be an
additional module named dwc2.ko." That would be clearer.
> if USB_DWC2
>
> +choice
> + bool "DWC2 Mode Selection"
> + default USB_DWC2_DUAL_ROLE if (USB && USB_GADGET)
> + default USB_DWC2_HOST if (USB && !USB_GADGET)
> + default USB_DWC2_PERIPHERAL if (!USB && USB_GADGET)
> +
> config USB_DWC2_HOST
> - tristate "Host only mode"
> + bool "Host only mode"
> depends on USB
> help
> The Designware USB2.0 high-speed host controller
> - integrated into many SoCs.
> + integrated into many SoCs. Select this option if you want the
> + driver to operate in Host-only mode.
> +
> +comment "Gadget/Dual-role mode requires USB Gadget support to be enabled"
> +
> +config USB_DWC2_PERIPHERAL
> + bool "Gadget only mode"
> + depends on USB_GADGET=y || USB_GADGET=USB_DWC2
> + help
> + The Designware USB2.0 high-speed gadget controller
> + integrated into many SoCs. Select this option if you want the
> + driver to operate in Peripheral-only mode. This option requires
> + USB_GADGET=y.
Shouldn't this be "This option requires USB_GADGET to be enabled"? It
doesn't have to be built-in.
> +config USB_DWC2_DUAL_ROLE
> + bool "Dual Role mode"
> + depends on (USB=y || USB=USB_DWC2) && (USB_GADGET=y ||
> USB_GADGET=USB_DWC2)
> + help
> + Select this option if you want the driver to work in a dual-role
> + mode. In this mode both host and gadget features are enabled, and
> + the role will be determined by the cable that gets plugged-in. This
> + option requires USB_GADGET=y.
Ditto.
Once you fix these, plus the extraneous "default y" that Paul Bolle
pointed out, you can add my acked-by.
--
Paul
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