From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753018AbdLAPE4 (ORCPT ); Fri, 1 Dec 2017 10:04:56 -0500 Received: from lelnx194.ext.ti.com ([198.47.27.80]:15074 "EHLO lelnx194.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751182AbdLAPEz (ORCPT ); Fri, 1 Dec 2017 10:04:55 -0500 Subject: Re: [PATCH v2 15/19] ASoC: tlv320aic31xx: Reset registers during power up To: Mark Brown CC: Liam Girdwood , Rob Herring , Mark Rutland , =?UTF-8?Q?Beno=c3=aet_Cousson?= , Tony Lindgren , , , References: <20171129213300.20021-1-afd@ti.com> <20171129213300.20021-16-afd@ti.com> <20171201133723.vlxqci4paw7szjce@sirena.org.uk> From: "Andrew F. Davis" Message-ID: Date: Fri, 1 Dec 2017 09:04:41 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 MIME-Version: 1.0 In-Reply-To: <20171201133723.vlxqci4paw7szjce@sirena.org.uk> Content-Type: text/plain; charset="windows-1252" Content-Language: en-US Content-Transfer-Encoding: 7bit X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/01/2017 07:37 AM, Mark Brown wrote: > On Wed, Nov 29, 2017 at 03:32:56PM -0600, Andrew F. Davis wrote: > >> + gpiod_set_value(aic31xx->gpio_reset, 1); >> + ndelay(10); /* At least 10ns */ >> + gpiod_set_value(aic31xx->gpio_reset, 0); > > _cansleep(), this isn't being done from interrupt context. > will fix >> + } else { >> + ret = regmap_write(aic31xx->regmap, AIC31XX_RESET, 1); >> + if (ret < 0) >> + dev_err(aic31xx->dev, "Could not reset device\n"); > > Print the error to help people doing debug. > Do you mean by adding the ret code to the print?