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=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 70AF7C433F5 for ; Sun, 5 Sep 2021 14:30:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4728C60F51 for ; Sun, 5 Sep 2021 14:30:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233907AbhIEOb0 (ORCPT ); Sun, 5 Sep 2021 10:31:26 -0400 Received: from mail.kernel.org ([198.145.29.99]:52352 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233497AbhIEObZ (ORCPT ); Sun, 5 Sep 2021 10:31:25 -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 78F3F60F21; Sun, 5 Sep 2021 14:30:17 +0000 (UTC) Date: Sun, 5 Sep 2021 15:33:39 +0100 From: Jonathan Cameron To: Billy Tsai Cc: , , , , , , , , , , , , , Subject: Re: [v5 04/15] iio: adc: aspeed: Keep model data to driver data. Message-ID: <20210905153339.751732cc@jic23-huawei> In-Reply-To: <20210831071458.2334-5-billy_tsai@aspeedtech.com> References: <20210831071458.2334-1-billy_tsai@aspeedtech.com> <20210831071458.2334-5-billy_tsai@aspeedtech.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-iio@vger.kernel.org On Tue, 31 Aug 2021 15:14:47 +0800 Billy Tsai wrote: > Keep the model data pointer to driver data for reducing the usage of > of_device_get_match_data(). > > Signed-off-by: Billy Tsai This one starts to be impacted by the fix (as its in the context). Rather than making a mess of things for linux-next etc I'll hold off on these until that fix is upstream in a few weeks. If I seem to have lost it (it's been known to happen :( ) then feel free to poke me! Thanks, Jonathan > --- > drivers/iio/adc/aspeed_adc.c | 20 +++++++------------- > 1 file changed, 7 insertions(+), 13 deletions(-) > > diff --git a/drivers/iio/adc/aspeed_adc.c b/drivers/iio/adc/aspeed_adc.c > index f055fe7b2c40..76ae1c3f584b 100644 > --- a/drivers/iio/adc/aspeed_adc.c > +++ b/drivers/iio/adc/aspeed_adc.c > @@ -77,6 +77,7 @@ struct aspeed_adc_model_data { > > struct aspeed_adc_data { > struct device *dev; > + const struct aspeed_adc_model_data *model_data; > void __iomem *base; > spinlock_t clk_lock; > struct clk_hw *clk_prescaler; > @@ -118,8 +119,6 @@ static int aspeed_adc_read_raw(struct iio_dev *indio_dev, > int *val, int *val2, long mask) > { > struct aspeed_adc_data *data = iio_priv(indio_dev); > - const struct aspeed_adc_model_data *model_data = > - of_device_get_match_data(data->dev); > > switch (mask) { > case IIO_CHAN_INFO_RAW: > @@ -127,7 +126,7 @@ static int aspeed_adc_read_raw(struct iio_dev *indio_dev, > return IIO_VAL_INT; > > case IIO_CHAN_INFO_SCALE: > - *val = model_data->vref_voltage; > + *val = data->model_data->vref_voltage; > *val2 = ASPEED_RESOLUTION_BITS; > return IIO_VAL_FRACTIONAL_LOG2; > > @@ -146,13 +145,11 @@ static int aspeed_adc_write_raw(struct iio_dev *indio_dev, > int val, int val2, long mask) > { > struct aspeed_adc_data *data = iio_priv(indio_dev); > - const struct aspeed_adc_model_data *model_data = > - of_device_get_match_data(data->dev); > > switch (mask) { > case IIO_CHAN_INFO_SAMP_FREQ: > - if (val < model_data->min_sampling_rate || > - val > model_data->max_sampling_rate) > + if (val < data->model_data->min_sampling_rate || > + val > data->model_data->max_sampling_rate) > return -EINVAL; > > clk_set_rate(data->clk_scaler->clk, > @@ -198,7 +195,6 @@ static int aspeed_adc_probe(struct platform_device *pdev) > { > struct iio_dev *indio_dev; > struct aspeed_adc_data *data; > - const struct aspeed_adc_model_data *model_data; > const char *clk_parent_name; > int ret; > u32 adc_engine_control_reg_val; > @@ -209,6 +205,7 @@ static int aspeed_adc_probe(struct platform_device *pdev) > > data = iio_priv(indio_dev); > data->dev = &pdev->dev; > + data->model_data = of_device_get_match_data(&pdev->dev); > platform_set_drvdata(pdev, indio_dev); > > data->base = devm_platform_ioremap_resource(pdev, 0); > @@ -249,9 +246,7 @@ static int aspeed_adc_probe(struct platform_device *pdev) > } > reset_control_deassert(data->rst); > > - model_data = of_device_get_match_data(&pdev->dev); > - > - if (model_data->wait_init_sequence) { > + if (data->model_data->wait_init_sequence) { > /* Enable engine in normal mode. */ > writel(FIELD_PREP(ASPEED_ADC_OP_MODE, > ASPEED_ADC_OP_MODE_NORMAL) | > @@ -281,8 +276,7 @@ static int aspeed_adc_probe(struct platform_device *pdev) > writel(adc_engine_control_reg_val, > data->base + ASPEED_REG_ENGINE_CONTROL); > > - model_data = of_device_get_match_data(&pdev->dev); > - indio_dev->name = model_data->model_name; > + indio_dev->name = data->model_data->model_name; > indio_dev->info = &aspeed_adc_iio_info; > indio_dev->modes = INDIO_DIRECT_MODE; > indio_dev->channels = aspeed_adc_iio_channels;