From patchwork Thu Sep 2 21:51:13 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miquel Raynal X-Patchwork-Id: 506022 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=-16.8 required=3.0 tests=BAYES_00, 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 0F940C00449 for ; Thu, 2 Sep 2021 21:52:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EF8D961104 for ; Thu, 2 Sep 2021 21:52:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347697AbhIBVxT (ORCPT ); Thu, 2 Sep 2021 17:53:19 -0400 Received: from relay10.mail.gandi.net ([217.70.178.230]:43395 "EHLO relay10.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347704AbhIBVxS (ORCPT ); Thu, 2 Sep 2021 17:53:18 -0400 Received: (Authenticated sender: miquel.raynal@bootlin.com) by relay10.mail.gandi.net (Postfix) with ESMTPSA id A4B3D240005; Thu, 2 Sep 2021 21:52:16 +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-input@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 v2 15/46] mfd: ti_am335x_tscadc: Simplify divisor calculation Date: Thu, 2 Sep 2021 23:51:13 +0200 Message-Id: <20210902215144.507243-16-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210902215144.507243-1-miquel.raynal@bootlin.com> References: <20210902215144.507243-1-miquel.raynal@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org Let's rewrite this on a single line, it does not hurt the readability and saves a useless temporary variable. Signed-off-by: Miquel Raynal Reviewed-by: Jonathan Cameron --- drivers/mfd/ti_am335x_tscadc.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/drivers/mfd/ti_am335x_tscadc.c b/drivers/mfd/ti_am335x_tscadc.c index 2a2f5036e06f..fca58e78abb2 100644 --- a/drivers/mfd/ti_am335x_tscadc.c +++ b/drivers/mfd/ti_am335x_tscadc.c @@ -122,7 +122,6 @@ static int ti_tscadc_probe(struct platform_device *pdev) const __be32 *cur; u32 val; int err, ctrl; - int clock_rate; int tsc_wires = 0, adc_channels = 0, total_channels; int readouts = 0; @@ -214,11 +213,8 @@ static int ti_tscadc_probe(struct platform_device *pdev) err = PTR_ERR(clk); goto err_disable_clk; } - clock_rate = clk_get_rate(clk); - tscadc->clk_div = clock_rate / ADC_CLK; - /* TSCADC_CLKDIV needs to be configured to the value minus 1 */ - tscadc->clk_div--; + tscadc->clk_div = (clk_get_rate(clk) / ADC_CLK) - 1; regmap_write(tscadc->regmap, REG_CLKDIV, tscadc->clk_div); /* Set the control register bits */