From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BD0B7C433ED for ; Sat, 17 Apr 2021 15:47:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9A31B61207 for ; Sat, 17 Apr 2021 15:47:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236632AbhDQPrh (ORCPT ); Sat, 17 Apr 2021 11:47:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36076 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236608AbhDQPrg (ORCPT ); Sat, 17 Apr 2021 11:47:36 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4124AC061574 for ; Sat, 17 Apr 2021 08:47:10 -0700 (PDT) Received: from ptx.hi.pengutronix.de ([2001:67c:670:100:1d::c0]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lXnA2-0003Gp-N1; Sat, 17 Apr 2021 17:47:06 +0200 Received: from ukl by ptx.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1lXnA2-0006JL-DK; Sat, 17 Apr 2021 17:47:06 +0200 Date: Sat, 17 Apr 2021 17:47:06 +0200 From: Uwe =?utf-8?Q?Kleine-K=C3=B6nig?= To: Clemens Gruber Cc: linux-pwm@vger.kernel.org, Thierry Reding , Sven Van Asbroeck , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v8 8/8] pwm: pca9685: Add error messages for failed regmap calls Message-ID: <20210417154706.viuhjndqxt42chi7@pengutronix.de> References: <20210412132745.76609-1-clemens.gruber@pqgruber.com> <20210412132745.76609-8-clemens.gruber@pqgruber.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="rjyk2u3xdjjkrfxa" Content-Disposition: inline In-Reply-To: <20210412132745.76609-8-clemens.gruber@pqgruber.com> X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::c0 X-SA-Exim-Mail-From: ukl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --rjyk2u3xdjjkrfxa Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Apr 12, 2021 at 03:27:45PM +0200, Clemens Gruber wrote: > Regmap operations can fail if the underlying subsystem is not working > properly (e.g. hogged I2C bus, etc.) > As this is useful information for the user, print an error message if it > happens. > Let probe fail if the first regmap_read or the first regmap_write fails. >=20 > Signed-off-by: Clemens Gruber Acked-by: Uwe Kleine-K=F6nig Best regards Uwe --=20 Pengutronix e.K. | Uwe Kleine-K=F6nig | Industrial Linux Solutions | https://www.pengutronix.de/ | --rjyk2u3xdjjkrfxa Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEfnIqFpAYrP8+dKQLwfwUeK3K7AkFAmB7AvcACgkQwfwUeK3K 7AmH7gf/XrBNOieEI7U/RlT+rH1YxyG7n0VcODOkFaZuaef4aUQDaCKVDWgHTf4Z l1j7o8NmN8+lx7KmM1r7TXq9j2rh2Z2/G46RVCnSzYLokDjz50ChOIiRHMqS7vhJ qBOZAju+nvi5UuPXSD9TGbLpLhJVQO3JgulHosUQRXrOjYmaS3228TX8lnoHDsf2 2NTZzNy3CTIKBYQ7d8Kadm40GSkAkTqht1SRa/v++0SDgAjrGSQBFANNcIvPszv2 5Xnkr3AqcijirX3lmiKSvLpHvzyimen+3d1RyNvBTMDg9o0+GMchWQMtB8SBF4jr /5XL4eyHWtRlR5odCt8cODt5ZFSl+g== =3VMg -----END PGP SIGNATURE----- --rjyk2u3xdjjkrfxa--