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=-15.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 D5AC0C433EF for ; Sun, 5 Sep 2021 14:48:51 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A45D3600CC for ; Sun, 5 Sep 2021 14:48:51 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org A45D3600CC Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=2em5/kimhHAfIdsRVaaqc6UKPN1eCNm1yq1ycFzFdsI=; b=UFqcsNS0jPNIDw nqG5+oq6QjF0iShwjHES12u9SqYfC7CG7dha4HOL8spjWsJFtQo7isjHKx0CNuYHzTC9oESG4BMox kNjkerU32KB9+MgDCKBfWUhjRx6xpve6HG23Y4x/VAV0ZI0kHw0+kupAkRad8KldRnahmVZnKiUnv MFNHpUlHTcfKDVX/xoicHU64sEmqaJpHSzAopLAdHlOKQ0dlp2FeOUxBCf/GDl2Jq7dMASOaG/qa1 U6UCRnSPXUEFeit3t3Xw08DVZsCkKukO5+i1EfoVpE7s/s0LP7YWjQ7KqNNyVQSTvt8GmVQCtu46B 2F4Wbbzg5yVybtnEfUxA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mMtQR-00Fyzp-Vk; Sun, 05 Sep 2021 14:47:16 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mMtQN-00Fyz5-TR for linux-arm-kernel@lists.infradead.org; Sun, 05 Sep 2021 14:47:13 +0000 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 6EBD4600CC; Sun, 5 Sep 2021 14:47:06 +0000 (UTC) Date: Sun, 5 Sep 2021 15:50:29 +0100 From: Jonathan Cameron To: Billy Tsai Cc: , , , , , , , , , , , , , Subject: Re: [v5 04/15] iio: adc: aspeed: Keep model data to driver data. Message-ID: <20210905155029.3faa2c04@jic23-huawei> In-Reply-To: <20210905153339.751732cc@jic23-huawei> References: <20210831071458.2334-1-billy_tsai@aspeedtech.com> <20210831071458.2334-5-billy_tsai@aspeedtech.com> <20210905153339.751732cc@jic23-huawei> X-Mailer: Claws Mail 4.0.0 (GTK+ 3.24.30; x86_64-pc-linux-gnu) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210905_074712_044436_0360E871 X-CRM114-Status: GOOD ( 26.93 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sun, 5 Sep 2021 15:33:39 +0100 Jonathan Cameron wrote: > 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! Having taken another look at the rest of the series (and Philipp's review) please do a v6 starting from this patch. Thanks, Jonathan > > 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; > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel