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=-8.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_2 autolearn=ham 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 493DBC433FF for ; Sun, 28 Jul 2019 07:59:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 187ED2085A for ; Sun, 28 Jul 2019 07:59:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564300754; bh=AA3U1UloStNCK9tMo1K1YVYBHZBNjIRjQUJIOjn+XAQ=; h=Date:From:To:Cc:Subject:In-Reply-To:References:List-ID:From; b=euZO6OZnQi9+nC9D0imjfQUK+99iOXxqboHl6ZGqKVCKn0Em1O/Dum+PvV+id/kAD XOyJTJ/q1ul1C3Qe+Ag/bZJdMFPm/6Sl21k/8NWkEskAXQk2t1lgjwnYPWu9JvrC7Q HC7SMbIJwNmSSc/yV/8HAKNmRefUVGtMd4l43egw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726027AbfG1H7N (ORCPT ); Sun, 28 Jul 2019 03:59:13 -0400 Received: from mail.kernel.org ([198.145.29.99]:50462 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725886AbfG1H7N (ORCPT ); Sun, 28 Jul 2019 03:59:13 -0400 Received: from archlinux (cpc149474-cmbg20-2-0-cust94.5-4.cable.virginm.net [82.4.196.95]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A07E12085A; Sun, 28 Jul 2019 07:59:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564300752; bh=AA3U1UloStNCK9tMo1K1YVYBHZBNjIRjQUJIOjn+XAQ=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=NG1MRLvR7sfssfCmEk7gXD0polSZYJjH5Xb/QWiYFlUiH0JVJl4/FzpXLQ0+0wNe/ Vj/xfcHu2zzEjsOmuyAqCbvawJmjNxyMH2O9nV2YWmh/xL/75ivgLFGCOufG0HWHrj eZrd/fWb8qjAV0rT2GFsnOBye0E9pMMs8g2lc3TE= Date: Sun, 28 Jul 2019 08:57:58 +0100 From: Jonathan Cameron To: Beniamin Bia Cc: , Subject: Re: [PATCH 3/5] iio: adc: ad7606: Allow reconfigration after reset Message-ID: <20190728085758.3398d06b@archlinux> In-Reply-To: <20190718062734.17306-3-beniamin.bia@analog.com> References: <20190718062734.17306-1-beniamin.bia@analog.com> <20190718062734.17306-3-beniamin.bia@analog.com> X-Mailer: Claws Mail 3.17.4 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org On Thu, 18 Jul 2019 09:27:32 +0300 Beniamin Bia wrote: > According to datasheet, ad7616 require at least 15ms after a restart > to fully reconfigure and being able to receive new commands via spi. > > Signed-off-by: Beniamin Bia > Acked-by: Jonathan Cameron Applied. Thanks, J > --- > Changes in v2: > -nothing changed > > drivers/iio/adc/ad7606.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/iio/adc/ad7606.c b/drivers/iio/adc/ad7606.c > index 9eec3db01a17..a6034cf7238a 100644 > --- a/drivers/iio/adc/ad7606.c > +++ b/drivers/iio/adc/ad7606.c > @@ -594,6 +594,10 @@ int ad7606_probe(struct device *dev, int irq, void __iomem *base_address, > if (ret) > dev_warn(st->dev, "failed to RESET: no RESET GPIO specified\n"); > > + /* AD7616 requires al least 15ms to reconfigure after a reset */ > + if (msleep_interruptible(15)) > + return -ERESTARTSYS; > + > st->write_scale = ad7606_write_scale_hw; > st->write_os = ad7606_write_os_hw; >