From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6C6032D47FF; Sun, 12 Jul 2026 21:56:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783893406; cv=none; b=ZfGaI2y7wAECxIsE/3PbGs/iXKa0HBzS/lLKZ9JdGclyyzZ4bzIK+MD6WLHJ6atwYePG3uqgw6UucraaG8bC9/bA9dEiNYgKfs/f/OahvOhxvKxlmWBYvI5MwdLr3KsW7myCqbaK/P9tOYDIWVbDTqU6uSnHXCUNcAVwWLwegSg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783893406; c=relaxed/simple; bh=P08yXbmetIfi/1c31UxqWMpF8Oxn4JUghpS1BSCCuXU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=F+9jMrzunNl36Nr4r5BYBtqzuOwnVnJZvYYxzgTtpjaQYAehgfv2wP/eYYGH9GYspkYz8zlBko2HJ74x5LCf1HTmvawjcV3hl5bSh+d/uuByiTd+fTgmlgQ0KOspooUcTzk6EXMky+MWDddCusCDK3Src4vUzr4dqGEKVP7+jSY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=iYIznFcd; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="iYIznFcd" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AE69E1F000E9; Sun, 12 Jul 2026 21:56:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1783893405; bh=P08yXbmetIfi/1c31UxqWMpF8Oxn4JUghpS1BSCCuXU=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=iYIznFcdZx4Ws6w23yKte4ohGHvCpdBRhWhBoYBni2fkVeVpUPC7DFo3/QBMHtBX8 KogQRSq3tGqrmIKuAfzJyNj8aZoJX85bmnTVW0aLak8okRwGYCTlcwvxvmGQGlMK/j Bf5yTaNhnUqU8xAojz/DFRWrEYMIO86KW5ApNimf4/aupuhEuVruxF5EwXz4WyLsL7 7GTuOzWl44pbiMoNIrXU5tL70fFX5ZMyYYx+M1XVgC7PxPRebxCpwrL5vJ1oY5rsNi r/FccJ3Ai+ZjJUs4DYqA88+xaml1Dx5N0ZG185Rbp3eYI3y61cqtcY2YjFfIWWLvZr QyeEvfjxC2JOw== Date: Sun, 12 Jul 2026 22:56:39 +0100 From: Conor Dooley To: Julian Braha Cc: Arnd Bergmann , Bin Liu , Greg Kroah-Hartman , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, conor.dooley@microchip.com, daire.mcnamara@microchip.com, valentina.fernandezalanis@microchip.com, Michael Turquette , Stephen Boyd , claudiu.beznea@microchip.com, Jassi Brar , a.zummo@towertech.it, Alexandre Belloni , wsa@kernel.org, ben.dooks@codethink.co.uk, heinrich.schuchardt@canonical.com Subject: Re: [PATCH] usb: musb: fix dead select of USB_MUSB_DUAL_ROLE Message-ID: <20260712-parole-stoning-d7e66a0961a8@spud> References: <20260711130349.592545-1-julianbraha@gmail.com> <1705e4f2-a0a3-4be0-a033-eacc1d54fcc7@gmail.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="EZleqkRWnBYHwJcG" Content-Disposition: inline In-Reply-To: <1705e4f2-a0a3-4be0-a033-eacc1d54fcc7@gmail.com> --EZleqkRWnBYHwJcG Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Jul 11, 2026 at 04:09:58PM +0100, Julian Braha wrote: > Hi Arnd, >=20 > On 7/11/26 15:39, Arnd Bergmann wrote: > > 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? >=20 > The kernel builds just fine for me with USB_MUSB_POLARFIRE_SOC=3Dy and > USB_MUSB_DUAL_ROLE=3Dn >=20 > But I don't have this hardware so I don't know what would happen at > runtime. >=20 > I've CC'd more people involved in patches to this config option. This is the setup I've been using in my development environment for (probably) years. Probably the select should just be deleted. --EZleqkRWnBYHwJcG Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCalQNlwAKCRB4tDGHoIJi 0qXGAQCHoXC+y5AgTqqF24kg0M0a/YUlxySAVhUTCfKIq6vpiwEA3NTON3A12BvX BjXoxFKsFqqDoplYURe8aojMnllIswI= =PhPt -----END PGP SIGNATURE----- --EZleqkRWnBYHwJcG--