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[92.34.216.5]) by smtp.gmail.com with ESMTPSA id t16-20020a2e8e70000000b0026daf4fc0f7sm433339ljk.92.2022.11.11.06.48.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 11 Nov 2022 06:48:24 -0800 (PST) From: Linus Walleij To: Greg Kroah-Hartman Cc: linux-usb@vger.kernel.org, Linus Walleij , kernel test robot , Arnd Bergmann Subject: [PATCH] usb: fotg210: Fix Kconfig for USB host modules Date: Fri, 11 Nov 2022 15:48:21 +0100 Message-Id: <20221111144821.113665-1-linus.walleij@linaro.org> X-Mailer: git-send-email 2.38.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org The kernel robot reports a link failure when activating the FOTG210 host subdriver with =y on a system where the USB host core is a module (CONFIG_USB=m). This is a bit of special case, so mimic the Kconfig incantations from DWC3: let the subdrivers for host or peripheral depend on the host or gadget support being =y or the same as the FOTG210 core itself. This should ensure that either: - The host (CONFIG_USB) or gadget (CONFIG_GADGET) is compiled in and then the FOTG210 can be either module or compiled in. - The host or gadget is modular, and then the FOTG210 module must be a module too, or we cannot resolve the symbols at link time. Reported-by: kernel test robot Link: https://lore.kernel.org/linux-usb/202211112132.0BUPGKCd-lkp@intel.com/ Cc: Arnd Bergmann Signed-off-by: Linus Walleij --- I don't dare to put a Fixes on this since it is in Greg's usb-testing for the moment, I don't expect those commit hashes to be stable. Cc to Arnd as he knows KConfig better than me, this is to the best of my ability... --- drivers/usb/fotg210/Kconfig | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/usb/fotg210/Kconfig b/drivers/usb/fotg210/Kconfig index 534206ee0d1d..2db6ac9f8074 100644 --- a/drivers/usb/fotg210/Kconfig +++ b/drivers/usb/fotg210/Kconfig @@ -14,7 +14,7 @@ if USB_FOTG210 config USB_FOTG210_HCD bool "Faraday FOTG210 USB Host Controller support" - depends on USB + depends on USB=y || USB=USB_FOTG210 help Faraday FOTG210 is an OTG controller which can be configured as an USB2.0 host. It is designed to meet USB2.0 EHCI specification @@ -24,7 +24,7 @@ config USB_FOTG210_HCD module will be called fotg210-hcd. config USB_FOTG210_UDC - depends on USB_GADGET + depends on USB_GADGET=y || USB_GADGET=USB_FOTG210 bool "Faraday FOTG210 USB Peripheral Controller support" help Faraday USB2.0 OTG controller which can be configured as