From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Warren Subject: Re: [PATCH v2 2/4] MFD: Palmas: Add SMPS10_BOOST feature Date: Tue, 18 Jun 2013 09:53:15 -0600 Message-ID: <51C0826B.4060101@wwwdotorg.org> References: <1371549794-7406-1-git-send-email-j-keerthy@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1371549794-7406-1-git-send-email-j-keerthy@ti.com> Sender: linux-doc-owner@vger.kernel.org To: J Keerthy Cc: linux-omap@vger.kernel.org, broonie@kernel.org, ldewangan@nvidia.com, sameo@linux.intel.com, grant.likely@secretlab.ca, swarren@nvidia.com, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, gg@slimlogic.co.uk List-Id: linux-omap@vger.kernel.org On 06/18/2013 04:03 AM, J Keerthy wrote: > The SMPS10 regulator is not presesnt in all the variants > of the PALMAS PMIC family. Hence adding a feature to distingush > between them. > diff --git a/drivers/mfd/palmas.c b/drivers/mfd/palmas.c > + match = of_match_device(of_match_ptr(of_palmas_match_tbl), &i2c->dev); > + > + if (match) { > + features = (unsigned int *)match->data; > + palmas->features = *features; > + } else { > + return -ENODATA; > + } I think it's more common to do the error-checking first. That way, the success-case code doesn't need an indent: match = of_match...(...); if (!match) return -ENODATA; features = ...; palmas->features = *features;