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[209.132.180.67]) by mx.google.com with ESMTP id e4-v6si2911194pln.331.2018.04.17.10.15.05; Tue, 17 Apr 2018 10:15:19 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=fail header.i=@sirena.org.uk header.s=20170815-heliosphere header.b=AArNGKTw; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753218AbeDQROE (ORCPT + 99 others); Tue, 17 Apr 2018 13:14:04 -0400 Received: from heliosphere.sirena.org.uk ([172.104.155.198]:42890 "EHLO heliosphere.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752116AbeDQROC (ORCPT ); Tue, 17 Apr 2018 13:14:02 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sirena.org.uk; s=20170815-heliosphere; h=In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=NLLpdyXVAHp/YW/QF2/eOz+fFnwLNf+44plDUJBchrk=; b=AArNGKTw/MpYH2VgXQBtE26yn M4yAKusKmgUN6vy3f2SqM7pO4ju06jEi8+K6LFt1Fcdn9Cc7i6eOWGd4A62x4T3h0px+GUXCP57AJ 84OvYmGQD8PaU/CWYuglXTzK+e5vvtUbUKl21P5XaFFcvcbMd4tF1XxNIASJ75CGHquu0=; Received: from debutante.sirena.org.uk ([2001:470:1f1d:6b5::3] helo=debutante) by heliosphere.sirena.org.uk with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1f8UB4-0007wQ-SY; Tue, 17 Apr 2018 17:13:58 +0000 Received: from broonie by debutante with local (Exim 4.90_1) (envelope-from ) id 1f8UB4-0002C9-E1; Tue, 17 Apr 2018 18:13:58 +0100 Date: Tue, 17 Apr 2018 18:13:58 +0100 From: Mark Brown To: Douglas Anderson Cc: David Collins , evgreen@chromium.org, swboyd@chromium.org, Javier Martinez Canillas , linux-kernel@vger.kernel.org, Liam Girdwood , Tony Lindgren , linux-omap@vger.kernel.org Subject: Re: [PATCH] regulator: Fix return type of of_map_mode() Message-ID: <20180417171358.GJ8973@sirena.org.uk> References: <20180417171204.259146-1-dianders@chromium.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="EVh9lyqKgK19OcEf" Content-Disposition: inline In-Reply-To: <20180417171204.259146-1-dianders@chromium.org> X-Cookie: Depart in pieces, i.e., split. User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --EVh9lyqKgK19OcEf Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Tue, Apr 17, 2018 at 10:12:04AM -0700, Douglas Anderson wrote: > In of_get_regulation_constraints() it can clearly be seen that the > return value of of_map_mode() is assigned to a signed integer. This > is important because the first thing the regulator core does with this > value is to compare it to -EINVAL. Hrm, so how does the compiler manage to not warn about this? --EVh9lyqKgK19OcEf Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAlrWK1UACgkQJNaLcl1U h9CRfQf/ZwE1kXs4M0rxTOJmXVfzyrMq29AlqxDBZUfunp83PJ+EFPaNIwHAk3Fe RnE3wqKPhB7vW7Bz6gMGaA7xDQ2Q/2smYeS6rpo/sckfNU9OJEwV90SnTvO81fNu cqVzA7V5UDTNyY/oHrZOZW2pclV/nbXxtjGHZy+kuRE+ACSBfCWfhIe8hwizGjoL HIWZDpw4n05SojU2oOP6Ds+MLenN+44r5ot17myZbOa62H0LksQXKmfjCcR5wbZ/ dzhEjlLG7BpT/iCSCLnmuYEVmOxrCdhpUijDacx6+JdkErQdOdxWDc0UokENolwm Hq07Savx7YFS1vFOu/txI9dHTtp/RA== =V9Qx -----END PGP SIGNATURE----- --EVh9lyqKgK19OcEf--