From patchwork Mon Aug 23 07:02:29 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Billy Tsai X-Patchwork-Id: 12452031 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,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 DD977C4338F for ; Mon, 23 Aug 2021 07:07:54 +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 B08FA6101C for ; Mon, 23 Aug 2021 07:07:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org B08FA6101C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=aspeedtech.com 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:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=4xi8F3R6k14GaZt/8hpxmsWBXsl4CmDhe7YWq9k7TNY=; b=CudxWpf/6ricZj Lkp2YpjFQApFKsWLxuydt4OP4K0TZJULp7gtM83P3ehmBaebDYLBV/yVXpLpikl+Lmf0tDXwFTb1z KqoZt9JYxHkqSTPij/FRQS9u6jnwwXrSry9v8fBBtBgPMvZM2GgeTZaLNhK62GX0pGIrrI0H6Kegd okuy3Za44SicitSAkGBMOcfExrQ6aCTpOXvmVsVHPdtpn6D6KWfQLlnRvbXb0xwHfcYj+HHOPOdAJ YHbTtK8aLPyNnG1C1P0TMRCy968NSWEa0iSOldmhxgS+nPqc87YYbalFIXxoBXefl9JBG0h2myip8 PZuswvFxRg3VtS2otzHA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mI41g-00FdDv-9g; Mon, 23 Aug 2021 07:05:44 +0000 Received: from twspam01.aspeedtech.com ([211.20.114.71]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mI3ye-00FcLC-Cb for linux-arm-kernel@lists.infradead.org; Mon, 23 Aug 2021 07:02:38 +0000 Received: from mail.aspeedtech.com ([192.168.0.24]) by twspam01.aspeedtech.com with ESMTP id 17N6hHAO051029; Mon, 23 Aug 2021 14:43:19 +0800 (GMT-8) (envelope-from billy_tsai@aspeedtech.com) Received: from BillyTsai-pc.aspeed.com (192.168.2.149) by TWMBX02.aspeed.com (192.168.0.24) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 23 Aug 2021 15:01:46 +0800 From: Billy Tsai To: , , , , , , , , , , , , , CC: Subject: [v4 04/15] iio: adc: aspeed: Keep model data to driver data. Date: Mon, 23 Aug 2021 15:02:29 +0800 Message-ID: <20210823070240.12600-5-billy_tsai@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210823070240.12600-1-billy_tsai@aspeedtech.com> References: <20210823070240.12600-1-billy_tsai@aspeedtech.com> MIME-Version: 1.0 X-Originating-IP: [192.168.2.149] X-ClientProxiedBy: TWMBX02.aspeed.com (192.168.0.24) To TWMBX02.aspeed.com (192.168.0.24) X-DNSRBL: X-MAIL: twspam01.aspeedtech.com 17N6hHAO051029 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210823_000236_723489_52055E32 X-CRM114-Status: GOOD ( 14.11 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Keep the model data pointer to driver data for reducing the usage of of_device_get_match_data(). Signed-off-by: Billy Tsai --- 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 20462cf659e4..d85aa31ee3b1 100644 --- a/drivers/iio/adc/aspeed_adc.c +++ b/drivers/iio/adc/aspeed_adc.c @@ -69,6 +69,7 @@ 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; @@ -110,8 +111,6 @@ 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: @@ -119,7 +118,7 @@ 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; @@ -138,13 +137,11 @@ 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, @@ -190,7 +187,6 @@ 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; @@ -201,6 +197,7 @@ 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); @@ -241,9 +238,7 @@ 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) | @@ -273,8 +268,7 @@ 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;