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=-17.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 5A989C64E8A for ; Sat, 28 Nov 2020 21:52:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1FCBC22242 for ; Sat, 28 Nov 2020 21:52:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="THVq7GSb" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391017AbgK1Vvs (ORCPT ); Sat, 28 Nov 2020 16:51:48 -0500 Received: from mail.kernel.org ([198.145.29.99]:48498 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731638AbgK1Syn (ORCPT ); Sat, 28 Nov 2020 13:54:43 -0500 Received: from archlinux (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 CC60A246A5; Sat, 28 Nov 2020 15:21:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1606576889; bh=PCExNiiq4fod27qjBrU5G0fxl6mD7Tnj2BkBlUMMkX0=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=THVq7GSb96d+mD5yk9ekV9dWY1FRMcJcEOS0Kn9T9rjbpRP4BeFSEWjEsXsOxVYg7 5DOqeAWeI+7QGg7JlphsJNRvUkOnVcK3ooXvHkVkrwMLRKWzmx1BGhcoaJFCM9XGoF JhOGCf4vHUrsHlf7vCSeQTMP9JizTApG1X325GoI= Date: Sat, 28 Nov 2020 15:21:24 +0000 From: Jonathan Cameron To: Alexandre Belloni Cc: Lars-Peter Clausen , Peter Meerwald-Stadler , Nicolas Ferre , Ludovic Desroches , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 07/11] iio: adc: at91_adc: merge at91_adc_probe_dt back in at91_adc_probe Message-ID: <20201128152124.24d88b36@archlinux> In-Reply-To: <20201117140656.1235055-8-alexandre.belloni@bootlin.com> References: <20201117140656.1235055-1-alexandre.belloni@bootlin.com> <20201117140656.1235055-8-alexandre.belloni@bootlin.com> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.32; 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-kernel@vger.kernel.org On Tue, 17 Nov 2020 15:06:52 +0100 Alexandre Belloni wrote: > at91_adc_probe_dt is now small enough to be merged back in at91_adc_probe. > > Signed-off-by: Alexandre Belloni > Reviewed-by: Ludovic Desroches This proved a little more interesting to apply, but I think that is just down to Alexandru having already made the match_data related change. Please check I got it right! Thanks, Jonathan > --- > drivers/iio/adc/at91_adc.c | 117 ++++++++++++++++--------------------- > 1 file changed, 49 insertions(+), 68 deletions(-) > > diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c > index 83539422b704..347464844263 100644 > --- a/drivers/iio/adc/at91_adc.c > +++ b/drivers/iio/adc/at91_adc.c > @@ -833,70 +833,6 @@ static int at91_adc_probe_dt_ts(struct device_node *node, > } > } > > -static int at91_adc_probe_dt(struct iio_dev *idev, > - struct platform_device *pdev) > -{ > - struct at91_adc_state *st = iio_priv(idev); > - struct device_node *node = pdev->dev.of_node; > - int ret; > - u32 prop; > - char *s; > - > - st->caps = (struct at91_adc_caps *) > - of_match_device(at91_adc_dt_ids, &pdev->dev)->data; > - > - st->use_external = of_property_read_bool(node, "atmel,adc-use-external-triggers"); > - > - if (of_property_read_u32(node, "atmel,adc-channels-used", &prop)) { > - dev_err(&idev->dev, "Missing adc-channels-used property in the DT.\n"); > - ret = -EINVAL; > - goto error_ret; > - } > - st->channels_mask = prop; > - > - st->sleep_mode = of_property_read_bool(node, "atmel,adc-sleep-mode"); > - > - if (of_property_read_u32(node, "atmel,adc-startup-time", &prop)) { > - dev_err(&idev->dev, "Missing adc-startup-time property in the DT.\n"); > - ret = -EINVAL; > - goto error_ret; > - } > - st->startup_time = prop; > - > - prop = 0; > - of_property_read_u32(node, "atmel,adc-sample-hold-time", &prop); > - st->sample_hold_time = prop; > - > - if (of_property_read_u32(node, "atmel,adc-vref", &prop)) { > - dev_err(&idev->dev, "Missing adc-vref property in the DT.\n"); > - ret = -EINVAL; > - goto error_ret; > - } > - st->vref_mv = prop; > - > - st->res = st->caps->high_res_bits; > - if (st->caps->low_res_bits && > - !of_property_read_string(node, "atmel,adc-use-res", (const char **)&s) > - && !strcmp(s, "lowres")) > - st->res = st->caps->low_res_bits; > - > - dev_info(&idev->dev, "Resolution used: %u bits\n", st->res); > - > - st->registers = &st->caps->registers; > - st->num_channels = st->caps->num_channels; > - > - /* Check if touchscreen is supported. */ > - if (st->caps->has_ts) > - return at91_adc_probe_dt_ts(node, st, &idev->dev); > - else > - dev_info(&idev->dev, "not support touchscreen in the adc compatible string.\n"); > - > - return 0; > - > -error_ret: > - return ret; > -} > - > static const struct iio_info at91_adc_info = { > .read_raw = &at91_adc_read_raw, > }; > @@ -1062,10 +998,12 @@ static void at91_ts_unregister(struct at91_adc_state *st) > static int at91_adc_probe(struct platform_device *pdev) > { > unsigned int prsc, mstrclk, ticks, adc_clk, adc_clk_khz, shtim; > + struct device_node *node = pdev->dev.of_node; > int ret; > struct iio_dev *idev; > struct at91_adc_state *st; > - u32 reg; > + u32 reg, prop; > + char *s; > > idev = devm_iio_device_alloc(&pdev->dev, sizeof(struct at91_adc_state)); > if (!idev) > @@ -1073,9 +1011,52 @@ static int at91_adc_probe(struct platform_device *pdev) > > st = iio_priv(idev); > > - ret = at91_adc_probe_dt(idev, pdev); > - if (ret) > - return ret; > + st->caps = (struct at91_adc_caps *) > + of_match_device(at91_adc_dt_ids, &pdev->dev)->data; > + > + st->use_external = of_property_read_bool(node, "atmel,adc-use-external-triggers"); > + > + if (of_property_read_u32(node, "atmel,adc-channels-used", &prop)) { > + dev_err(&idev->dev, "Missing adc-channels-used property in the DT.\n"); > + return -EINVAL; > + } > + st->channels_mask = prop; > + > + st->sleep_mode = of_property_read_bool(node, "atmel,adc-sleep-mode"); > + > + if (of_property_read_u32(node, "atmel,adc-startup-time", &prop)) { > + dev_err(&idev->dev, "Missing adc-startup-time property in the DT.\n"); > + return -EINVAL; > + } > + st->startup_time = prop; > + > + prop = 0; > + of_property_read_u32(node, "atmel,adc-sample-hold-time", &prop); > + st->sample_hold_time = prop; > + > + if (of_property_read_u32(node, "atmel,adc-vref", &prop)) { > + dev_err(&idev->dev, "Missing adc-vref property in the DT.\n"); > + return -EINVAL; > + } > + st->vref_mv = prop; > + > + st->res = st->caps->high_res_bits; > + if (st->caps->low_res_bits && > + !of_property_read_string(node, "atmel,adc-use-res", (const char **)&s) > + && !strcmp(s, "lowres")) > + st->res = st->caps->low_res_bits; > + > + dev_info(&idev->dev, "Resolution used: %u bits\n", st->res); > + > + st->registers = &st->caps->registers; > + st->num_channels = st->caps->num_channels; > + > + /* Check if touchscreen is supported. */ > + if (st->caps->has_ts) { > + ret = at91_adc_probe_dt_ts(node, st, &idev->dev); > + if (ret) > + return ret; > + } > > platform_set_drvdata(pdev, idev); >