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=-15.5 required=3.0 tests=BAYES_00,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_2 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 71683C41537 for ; Mon, 30 Aug 2021 14:46:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5214360F23 for ; Mon, 30 Aug 2021 14:46:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237235AbhH3OrS (ORCPT ); Mon, 30 Aug 2021 10:47:18 -0400 Received: from mail.kernel.org ([198.145.29.99]:46002 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231757AbhH3OrN (ORCPT ); Mon, 30 Aug 2021 10:47:13 -0400 Received: from jic23-huawei (cpc108967-cmbg20-2-0-cust86.5-4.cable.virginm.net [81.101.6.87]) (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 A91B660249; Mon, 30 Aug 2021 14:46:14 +0000 (UTC) Date: Mon, 30 Aug 2021 15:49:25 +0100 From: Jonathan Cameron To: Miquel Raynal Cc: Lars-Peter Clausen , Peter Meerwald-Stadler , Rob Herring , Lee Jones , bcousson@baylibre.com, Tony Lindgren , Tero Kristo , Michael Turquette , Stephen Boyd , Thomas Petazzoni , "Ryan J . Barnett" , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-input@vger.kernel.org, linux-omap@vger.kernel.org, linux-clk@vger.kernel.org Subject: Re: [PATCH 19/40] mfd: ti_am335x_tscadc: Always provide an idle configuration Message-ID: <20210830154925.4fa89e44@jic23-huawei> In-Reply-To: <20210825152518.379386-20-miquel.raynal@bootlin.com> References: <20210825152518.379386-1-miquel.raynal@bootlin.com> <20210825152518.379386-20-miquel.raynal@bootlin.com> X-Mailer: Claws Mail 4.0.0 (GTK+ 3.24.30; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org On Wed, 25 Aug 2021 17:24:57 +0200 Miquel Raynal wrote: > The idle register is valid no matter if the touchscreen is used or not, > let's always configure it. Probably want a statement in here about the reordering that occurred in resume. J > > Signed-off-by: Miquel Raynal > --- > drivers/mfd/ti_am335x_tscadc.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/drivers/mfd/ti_am335x_tscadc.c b/drivers/mfd/ti_am335x_tscadc.c > index 258199be4c6a..7071344ad18e 100644 > --- a/drivers/mfd/ti_am335x_tscadc.c > +++ b/drivers/mfd/ti_am335x_tscadc.c > @@ -218,16 +218,16 @@ static int ti_tscadc_probe(struct platform_device *pdev) > ctrl = CNTRLREG_STEPCONFIGWRT | CNTRLREG_STEPID; > regmap_write(tscadc->regmap, REG_CTRL, ctrl); > > - /* Set register bits for Idle Config Mode */ > if (tsc_wires > 0) { > tscadc->tsc_wires = tsc_wires; > if (tsc_wires == 5) > ctrl |= CNTRLREG_5WIRE | CNTRLREG_TSCENB; > else > ctrl |= CNTRLREG_4WIRE | CNTRLREG_TSCENB; > - tscadc_idle_config(tscadc); > } > > + tscadc_idle_config(tscadc); > + > /* Enable the TSC module enable bit */ > ctrl |= CNTRLREG_TSCSSENB; > regmap_write(tscadc->regmap, REG_CTRL, ctrl); > @@ -318,12 +318,12 @@ static int __maybe_unused tscadc_resume(struct device *dev) > ctrl |= CNTRLREG_5WIRE | CNTRLREG_TSCENB; > else > ctrl |= CNTRLREG_4WIRE | CNTRLREG_TSCENB; > - tscadc_idle_config(tscadc); > } > ctrl |= CNTRLREG_TSCSSENB; > regmap_write(tscadc->regmap, REG_CTRL, ctrl); > > regmap_write(tscadc->regmap, REG_CLKDIV, tscadc->clk_div); > + tscadc_idle_config(tscadc); > > return 0; > }