From patchwork Tue Nov 17 14:06:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Belloni X-Patchwork-Id: 11912435 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=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 86B0BC5519F for ; Tue, 17 Nov 2020 14:09:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3F1F420729 for ; Tue, 17 Nov 2020 14:09:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729766AbgKQOIj (ORCPT ); Tue, 17 Nov 2020 09:08:39 -0500 Received: from relay12.mail.gandi.net ([217.70.178.232]:41479 "EHLO relay12.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387984AbgKQOIG (ORCPT ); Tue, 17 Nov 2020 09:08:06 -0500 Received: from localhost (lfbn-lyo-1-997-19.w86-194.abo.wanadoo.fr [86.194.74.19]) (Authenticated sender: alexandre.belloni@bootlin.com) by relay12.mail.gandi.net (Postfix) with ESMTPSA id A9750200018; Tue, 17 Nov 2020 14:08:03 +0000 (UTC) From: Alexandre Belloni To: Jonathan Cameron 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, Alexandre Belloni Subject: [PATCH v2 08/11] iio: adc: at91_adc: remove forward declaration Date: Tue, 17 Nov 2020 15:06:53 +0100 Message-Id: <20201117140656.1235055-9-alexandre.belloni@bootlin.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201117140656.1235055-1-alexandre.belloni@bootlin.com> References: <20201117140656.1235055-1-alexandre.belloni@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Remove the forward declaration of at91_adc_dt_ids by using of_device_get_match_data. Also add const were possible since it is not discarded by the cast anymore. Signed-off-by: Alexandre Belloni Reviewed-by: Ludovic Desroches --- Changes in v2: - use of_device_get_match_data instead of device_get_match_data drivers/iio/adc/at91_adc.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c index 347464844263..4c1b3b67445d 100644 --- a/drivers/iio/adc/at91_adc.c +++ b/drivers/iio/adc/at91_adc.c @@ -224,7 +224,6 @@ struct at91_adc_state { struct mutex lock; u8 num_channels; void __iomem *reg_base; - struct at91_adc_reg_desc *registers; u32 startup_time; u8 sample_hold_time; bool sleep_mode; @@ -233,7 +232,8 @@ struct at91_adc_state { u32 vref_mv; u32 res; /* resolution used for convertions */ wait_queue_head_t wq_data_avail; - struct at91_adc_caps *caps; + const struct at91_adc_caps *caps; + const struct at91_adc_reg_desc *registers; /* * Following ADC channels are shared by touchscreen: @@ -569,7 +569,7 @@ static int at91_adc_configure_trigger(struct iio_trigger *trig, bool state) { struct iio_dev *idev = iio_trigger_get_drvdata(trig); struct at91_adc_state *st = iio_priv(idev); - struct at91_adc_reg_desc *reg = st->registers; + const struct at91_adc_reg_desc *reg = st->registers; u32 status = at91_adc_readl(st, reg->trigger_register); int value; u8 bit; @@ -796,8 +796,6 @@ static u32 calc_startup_ticks_9x5(u32 startup_time, u32 adc_clk_khz) return ticks; } -static const struct of_device_id at91_adc_dt_ids[]; - static int at91_adc_probe_dt_ts(struct device_node *node, struct at91_adc_state *st, struct device *dev) { @@ -1011,8 +1009,7 @@ static int at91_adc_probe(struct platform_device *pdev) st = iio_priv(idev); - st->caps = (struct at91_adc_caps *) - of_match_device(at91_adc_dt_ids, &pdev->dev)->data; + st->caps = of_device_get_match_data(&pdev->dev); st->use_external = of_property_read_bool(node, "atmel,adc-use-external-triggers");