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Date: Mon, 14 Sep 2026 08:54:37 +0200
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Linus Walleij <linusw@kernel.org>
Cc: Alan Stern <stern@rowland.harvard.edu>,
	Daniel Palmer <daniel@thingy.jp>, linux-usb@vger.kernel.org,
	linux-kernel@vger.kernel.org, kernel test robot <lkp@intel.com>
Subject: Re: [PATCH] usb: fotg210: guard host shutdown in gadget-only builds
Message-ID: <2026091425-mayflower-unifier-4780@gregkh>
References: <20260914-fotg210-ehci-fixes-v1-1-a75ca67fac04@kernel.org>
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In-Reply-To: <20260914-fotg210-ehci-fixes-v1-1-a75ca67fac04@kernel.org>

On Mon, Sep 14, 2026 at 08:41:18AM +0200, Linus Walleij wrote:
> FOTG210 can be built with CONFIG_USB=n, but its shutdown callback
> references usb_hcd_platform_shutdown() from the USB host core,
> causing a link failure.
> 
> Guard the call with CONFIG_USB_FOTG210_HCD so gadget-only builds do
> not reference the host shutdown helper.
> 
> Reported-by: kernel test robot <lkp@intel.com>
> Closes: https://lore.kernel.org/oe-kbuild-all/202609141128.DQicnuRW-lkp@intel.com/
> Assisted-by: LLM
> Signed-off-by: Linus Walleij <linusw@kernel.org>
> ---
> Fix the gadget-only build failure introduced by the FOTG210 common
> EHCI conversion by guarding the host shutdown call.
> 
> Based on the complete FOTG210 modernization series. Verified with
> PowerPC64 gadget-only and Gemini host object builds using LLVM.

No Fixes: tag?

thanks,

greg k-h