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Sat, 11 Jul 2026 10:39:26 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ThreadId: AwADi15u6ulk Date: Sat, 11 Jul 2026 16:39:06 +0200 From: "Arnd Bergmann" To: "Julian Braha" , "Bin Liu" , "Greg Kroah-Hartman" Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Message-Id: In-Reply-To: <20260711130349.592545-1-julianbraha@gmail.com> References: <20260711130349.592545-1-julianbraha@gmail.com> Subject: Re: [PATCH] usb: musb: fix dead select of USB_MUSB_DUAL_ROLE Content-Type: text/plain Content-Transfer-Encoding: 7bit On Sat, Jul 11, 2026, at 15:03, Julian Braha wrote: > 'select' does not work on config options in a 'choice', so currently it is > possible to enable USB_MUSB_POLARFIRE_SOC without USB_MUSB_DUAL_ROLE. > > Replace 'select' with 'depends on'. > > This dead select was found by kconfirm, a static analysis tool for Kconfig. > > Signed-off-by: Julian Braha Good catch, but I wonder if this is actually a real dependency at all. What would happen if you just remove the 'select' line here and build a polarfire kernel that only supports host or gadget mode but not dual-role? Arnd