From: Roger Quadros <rogerq@kernel.org>
To: Matthias Kaehlcke <mka@chromium.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Alan Stern <stern@rowland.harvard.edu>,
Rob Herring <robh+dt@kernel.org>,
Frank Rowand <frowand.list@gmail.com>,
Mathias Nyman <mathias.nyman@intel.com>,
Felipe Balbi <balbi@kernel.org>
Cc: devicetree@vger.kernel.org, Peter Chen <peter.chen@kernel.org>,
linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org,
Bastien Nocera <hadess@hadess.net>,
Ravi Chandra Sadineni <ravisadineni@chromium.org>,
Michal Simek <michal.simek@xilinx.com>,
Douglas Anderson <dianders@chromium.org>,
Krzysztof Kozlowski <krzk@kernel.org>,
Stephen Boyd <swboyd@chromium.org>, Andrew Lunn <andrew@lunn.ch>,
Aswath Govindraju <a-govindraju@ti.com>,
Dmitry Osipenko <digetx@gmail.com>,
Fabio Estevam <festevam@gmail.com>,
Gregory Clement <gregory.clement@bootlin.com>,
Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>,
Pawel Laszczak <pawell@cadence.com>,
Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
Tony Lindgren <tony@atomide.com>,
linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org,
linux-samsung-soc@vger.kernel.org
Subject: Re: [PATCH v16 5/7] usb: Specify dependencies on USB_XHCI_PLATFORM with 'depends on'
Date: Thu, 26 Aug 2021 09:46:29 +0300 [thread overview]
Message-ID: <ad5a2b81-3ecb-e1d8-9bcb-b5b3a8d0385e@kernel.org> (raw)
In-Reply-To: <20210813125146.v16.5.If248f05613bbb06a44eb0b0909be5d97218f417b@changeid>
On 13/08/2021 22:52, 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>
cheers,
-roger
> ---
>
> Changes in v16:
> - none
>
> Changes in v15:
> - adjusted dependencies of USB_DWC3_CORE to make sure it can only
> be enabled when at least one of USB_DWC3_HOST, USB_DWC3_GADGET
> or USB_DWC3_DUAL_ROLE is selectable
> - updated commit message
>
> Changes in v14:
> - none
>
> Changes in v13:
> - patch added to the series
>
> drivers/usb/cdns3/Kconfig | 2 +-
> drivers/usb/dwc3/Kconfig | 5 +++--
> drivers/usb/host/Kconfig | 4 ++--
> 3 files changed, 6 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/usb/cdns3/Kconfig b/drivers/usb/cdns3/Kconfig
> index b98ca0a1352a..07e12f786d48 100644
> --- a/drivers/usb/cdns3/Kconfig
> +++ b/drivers/usb/cdns3/Kconfig
> @@ -1,7 +1,7 @@
> config USB_CDNS_SUPPORT
> tristate "Cadence USB Support"
> depends on USB_SUPPORT && (USB || USB_GADGET) && HAS_DMA
> - select USB_XHCI_PLATFORM if USB_XHCI_HCD
> + depends on !USB_XHCI_HCD || USB_XHCI_PLATFORM
> select USB_ROLE_SWITCH
> help
> Say Y here if your system has a Cadence USBSS or USBSSP
> diff --git a/drivers/usb/dwc3/Kconfig b/drivers/usb/dwc3/Kconfig
> index 66b1454c4db2..870f2251350a 100644
> --- a/drivers/usb/dwc3/Kconfig
> +++ b/drivers/usb/dwc3/Kconfig
> @@ -2,8 +2,7 @@
>
> config USB_DWC3
> tristate "DesignWare USB3 DRD Core Support"
> - depends on (USB || USB_GADGET) && HAS_DMA
> - select USB_XHCI_PLATFORM if USB_XHCI_HCD
> + depends on ((USB && USB_XHCI_PLATFORM) || USB_GADGET) && HAS_DMA
> select USB_ROLE_SWITCH if USB_DWC3_DUAL_ROLE
> help
> Say Y or M here if your system has a Dual Role SuperSpeed
> @@ -30,6 +29,7 @@ choice
> config USB_DWC3_HOST
> bool "Host only mode"
> depends on USB=y || USB=USB_DWC3
> + depends on USB_XHCI_PLATFORM
> help
> Select this when you want to use DWC3 in host mode only,
> thereby the gadget feature will be regressed.
> @@ -44,6 +44,7 @@ config USB_DWC3_GADGET
> config USB_DWC3_DUAL_ROLE
> bool "Dual Role mode"
> depends on ((USB=y || USB=USB_DWC3) && (USB_GADGET=y || USB_GADGET=USB_DWC3))
> + depends on USB_XHCI_PLATFORM
> depends on (EXTCON=y || EXTCON=USB_DWC3)
> help
> This is the default mode of working of DWC3 controller where
> diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
> index df9428f1dc5e..518c2312ef0c 100644
> --- a/drivers/usb/host/Kconfig
> +++ b/drivers/usb/host/Kconfig
> @@ -80,7 +80,7 @@ config USB_XHCI_MTK
>
> config USB_XHCI_MVEBU
> tristate "xHCI support for Marvell Armada 375/38x/37xx"
> - select USB_XHCI_PLATFORM
> + depends on USB_XHCI_PLATFORM
> depends on HAS_IOMEM
> depends on ARCH_MVEBU || COMPILE_TEST
> help
> @@ -112,9 +112,9 @@ config USB_EHCI_BRCMSTB
> config USB_BRCMSTB
> tristate "Broadcom STB USB support"
> depends on (ARCH_BRCMSTB && PHY_BRCM_USB) || COMPILE_TEST
> + depends on !USB_XHCI_HCD || USB_XHCI_PLATFORM
> select USB_OHCI_HCD_PLATFORM if USB_OHCI_HCD
> select USB_EHCI_BRCMSTB if USB_EHCI_HCD
> - select USB_XHCI_PLATFORM if USB_XHCI_HCD
> help
> Enables support for XHCI, EHCI and OHCI host controllers
> found in Broadcom STB SoC's.
>
next prev parent reply other threads:[~2021-08-26 6:46 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-13 19:52 [PATCH v16 0/7] usb: misc: Add onboard_usb_hub driver Matthias Kaehlcke
2021-08-13 19:52 ` [PATCH v16 1/7] " Matthias Kaehlcke
2021-11-11 23:31 ` Doug Anderson
2021-11-16 2:08 ` Matthias Kaehlcke
2021-08-13 19:52 ` [PATCH v16 2/7] of/platform: Add stubs for of_platform_device_create/destroy() Matthias Kaehlcke
2021-08-13 19:52 ` [PATCH v16 3/7] ARM: configs: Explicitly enable USB_XHCI_PLATFORM where needed Matthias Kaehlcke
2021-08-26 6:45 ` Roger Quadros
2021-08-26 7:56 ` Krzysztof Kozlowski
2021-08-13 19:52 ` [PATCH v16 4/7] arm64: defconfig: Explicitly enable USB_XHCI_PLATFORM Matthias Kaehlcke
2021-08-26 6:46 ` Roger Quadros
2021-08-13 19:52 ` [PATCH v16 5/7] usb: Specify dependencies on USB_XHCI_PLATFORM with 'depends on' Matthias Kaehlcke
2021-08-26 6:46 ` Roger Quadros [this message]
2021-11-11 23:48 ` Doug Anderson
2021-11-16 18:07 ` Matthias Kaehlcke
2021-08-13 19:52 ` [PATCH v16 6/7] usb: host: xhci-plat: Create platform device for onboard hubs in probe() Matthias Kaehlcke
2021-10-20 13:05 ` Mathias Nyman
2021-10-20 20:27 ` Matthias Kaehlcke
2021-10-20 20:37 ` Alan Stern
2021-10-20 21:01 ` Matthias Kaehlcke
2021-10-20 21:57 ` Alan Stern
2021-08-13 19:52 ` [PATCH v16 7/7] arm64: dts: qcom: sc7180-trogdor: Add nodes for onboard USB hub Matthias Kaehlcke
2021-09-21 17:08 ` [PATCH v16 0/7] usb: misc: Add onboard_usb_hub driver Matthias Kaehlcke
2021-10-14 21:38 ` Doug Anderson
2021-10-15 6:39 ` Greg Kroah-Hartman
2021-10-19 16:04 ` Fabrice Gasnier
2021-10-19 22:10 ` Matthias Kaehlcke
2021-10-20 6:21 ` Michal Simek
2021-10-20 17:41 ` Matthias Kaehlcke
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