From patchwork Wed Sep 15 15:58:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miquel Raynal X-Patchwork-Id: 12496487 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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 A8E89C43217 for ; Wed, 15 Sep 2021 15:59:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 851E961357 for ; Wed, 15 Sep 2021 15:59:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238286AbhIOQBJ (ORCPT ); Wed, 15 Sep 2021 12:01:09 -0400 Received: from relay8-d.mail.gandi.net ([217.70.183.201]:58625 "EHLO relay8-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238349AbhIOQBJ (ORCPT ); Wed, 15 Sep 2021 12:01:09 -0400 Received: (Authenticated sender: miquel.raynal@bootlin.com) by relay8-d.mail.gandi.net (Postfix) with ESMTPSA id 15C791BF213; Wed, 15 Sep 2021 15:59:47 +0000 (UTC) From: Miquel Raynal To: Jonathan Cameron , Lars-Peter Clausen , Peter Meerwald-Stadler , Rob Herring , Dmitry Torokhov , Lee Jones , bcousson@baylibre.com, Tony Lindgren Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-omap@vger.kernel.org, Thomas Petazzoni , Vignesh Raghavendra , Lokesh Vutla , Tero Kristo , Ryan Barnett , Grygorii Strashko , Jason Reeder , Miquel Raynal , Jonathan Cameron Subject: [PATCH v3 19/47] mfd: ti_am335x_tscadc: Drop useless variables from the driver structure Date: Wed, 15 Sep 2021 17:58:40 +0200 Message-Id: <20210915155908.476767-20-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210915155908.476767-1-miquel.raynal@bootlin.com> References: <20210915155908.476767-1-miquel.raynal@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Keeping the count of tsc_cells and adc_cells is completely redundant, we can derive this information from other variables. Plus, these variables are not used anywhere else now. Let's get rid of them. Signed-off-by: Miquel Raynal Reviewed-by: Jonathan Cameron --- drivers/mfd/ti_am335x_tscadc.c | 15 ++++----------- include/linux/mfd/ti_am335x_tscadc.h | 3 --- 2 files changed, 4 insertions(+), 14 deletions(-) diff --git a/drivers/mfd/ti_am335x_tscadc.c b/drivers/mfd/ti_am335x_tscadc.c index 81f0ebf1a415..8404fc662725 100644 --- a/drivers/mfd/ti_am335x_tscadc.c +++ b/drivers/mfd/ti_am335x_tscadc.c @@ -122,7 +122,7 @@ static int ti_tscadc_probe(struct platform_device *pdev) const __be32 *cur; u32 val; int err, ctrl; - int tsc_wires = 0, adc_channels = 0, total_channels; + int tsc_wires = 0, adc_channels = 0, cell_idx = 0, total_channels; int readouts = 0; /* Allocate memory for device */ @@ -235,14 +235,9 @@ static int ti_tscadc_probe(struct platform_device *pdev) ctrl |= CNTRLREG_TSCSSENB; regmap_write(tscadc->regmap, REG_CTRL, ctrl); - tscadc->used_cells = 0; - tscadc->tsc_cell = -1; - tscadc->adc_cell = -1; - /* TSC Cell */ if (tsc_wires > 0) { - tscadc->tsc_cell = tscadc->used_cells; - cell = &tscadc->cells[tscadc->used_cells++]; + cell = &tscadc->cells[cell_idx++]; cell->name = tscadc->data->name_tscmag; cell->of_compatible = tscadc->data->compat_tscmag; cell->platform_data = &tscadc; @@ -251,8 +246,7 @@ static int ti_tscadc_probe(struct platform_device *pdev) /* ADC Cell */ if (adc_channels > 0) { - tscadc->adc_cell = tscadc->used_cells; - cell = &tscadc->cells[tscadc->used_cells++]; + cell = &tscadc->cells[cell_idx++]; cell->name = tscadc->data->name_adc; cell->of_compatible = tscadc->data->compat_adc; cell->platform_data = &tscadc; @@ -260,8 +254,7 @@ static int ti_tscadc_probe(struct platform_device *pdev) } err = mfd_add_devices(&pdev->dev, PLATFORM_DEVID_AUTO, - tscadc->cells, tscadc->used_cells, NULL, - 0, NULL); + tscadc->cells, cell_idx, NULL, 0, NULL); if (err < 0) goto err_disable_clk; diff --git a/include/linux/mfd/ti_am335x_tscadc.h b/include/linux/mfd/ti_am335x_tscadc.h index 0f581c15d95a..e734fb97dff8 100644 --- a/include/linux/mfd/ti_am335x_tscadc.h +++ b/include/linux/mfd/ti_am335x_tscadc.h @@ -177,10 +177,7 @@ struct ti_tscadc_dev { phys_addr_t tscadc_phys_base; const struct ti_tscadc_data *data; int irq; - int used_cells; /* 1-2 */ int tsc_wires; - int tsc_cell; /* -1 if not used */ - int adc_cell; /* -1 if not used */ struct mfd_cell cells[TSCADC_CELLS]; u32 reg_se_cache; bool adc_waiting;