From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1035821AbdDUGcB (ORCPT ); Fri, 21 Apr 2017 02:32:01 -0400 Received: from www.zeus03.de ([194.117.254.33]:41658 "EHLO mail.zeus03.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1035684AbdDUGcA (ORCPT ); Fri, 21 Apr 2017 02:32:00 -0400 Date: Fri, 21 Apr 2017 08:31:57 +0200 From: Wolfram Sang To: Hoan Tran Cc: linux-i2c@vger.kernel.org, lkml , Loc Ho , Keyur Chudgar Subject: Re: [PATCH 2/2] i2c: xgene-slimpro: Add ACPI support by using PCC mailbox Message-ID: <20170421063156.GB1434@katana> References: <1490733977-23760-1-git-send-email-hotran@apm.com> <1490733977-23760-3-git-send-email-hotran@apm.com> <20170420080552.7hymw4gqy4kzecns@ninjato> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="R3G7APHDIzY6R/pk" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --R3G7APHDIzY6R/pk Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable > > I think it doesn't make sense to print a dev_err and return ENODEV which > > is treated by the driver core as a non-error. It means "not present, but > > OK". You probably want other error codes here. >=20 > How about -EINVAL for these -ENODEV error codes? Do you have any suggesti= on? -EINVAL will do, I would go for -ENOENT, probably. But it doesn't matter much. --R3G7APHDIzY6R/pk Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJY+adcAAoJEBQN5MwUoCm2lg4P/3WLA0g8Ar56Dx+9X2QEhjyS +MfIJXffWElGG4OXEFonIfq+ayPRV8ejdsHyJQxzYTm+R0kmIFNNULllcVo7d5Ft sFdXnPBAur0H4vptG6CmEXzgdPln4GQTsmvjl84F0CwUMX/yc+5nhCbNCFIpWRJ9 wIZVXL+wnO0eDbNKMbuDEyN1mFLs7ZO2pCM//N0R2U49xk8bW2g1veQNj7yBN+4/ PjEzNkCYVhH89Nsi6whzq/D1BqYURWwUYHouPoJj7QWoU1wCleWM5VatrdCcJaTW AXwB/I34GpktLMo9Mgj66+JCKqgAb59fgKqGEylO78SDZ6QimTrrOGQ1axqLBb1T CpdtkXQDURKQWHqeN4Zs+E1mC6t1dM4LWm82LetO5vYClYvxMGA+GvRFXw3xmOJl Smq8K2lO1E8Bf2kdhnjHjWHo7yTZOZSQbLBVvEYStvTXX98lo6TKgaM8kIg71Lwa 9OqnwRtSG0ovRVuwIVJlHw60Q3K2OOtzcQ7xb2BKdn0ptorL2BJpxManiKeYb6U1 d88RTew5H3vWNibNihMSODqN2QIy8aK31oUNoJtTU04tSStn2k3cSijYx/BqG+4O nqJR1hVfnCJInnwQwke1IzcMA1UohfCbQskswaHlRGcUmzfkIGME21IFuCQEwoLl mKRX8zbrLfrsCbHPuetW =DWPq -----END PGP SIGNATURE----- --R3G7APHDIzY6R/pk--