From patchwork Fri Jun 26 06:57:34 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Lee Jones X-Patchwork-Id: 11626615 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1BFE392A for ; Fri, 26 Jun 2020 06:57:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F3F2F208C7 for ; Fri, 26 Jun 2020 06:57:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="V+f/N1sh" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728618AbgFZG5v (ORCPT ); Fri, 26 Jun 2020 02:57:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58320 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728585AbgFZG5t (ORCPT ); Fri, 26 Jun 2020 02:57:49 -0400 Received: from mail-wr1-x441.google.com (mail-wr1-x441.google.com [IPv6:2a00:1450:4864:20::441]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C8240C08C5DB for ; Thu, 25 Jun 2020 23:57:48 -0700 (PDT) Received: by mail-wr1-x441.google.com with SMTP id q5so8350509wru.6 for ; Thu, 25 Jun 2020 23:57:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=7sD07a6En2jWPWH2kq8TUsn+RVkOBsvIFsWTqmBLW7Y=; b=V+f/N1sh9o182ePat9lbQamPC/xUQtqafZxm5ypirNrQKbDKBqQ4bjIcONYNaxl3bT SOVYt7m9hF2UYTxbT6EE1TVluOIxfDnbWgmea430ebNS8wCS8vBhHomJYiPwr3dEw7nC BEfJ83GZIJxiNxsokwodTwezX9wpLi5ZXnRjQ9jRvzdWxNoh+R56OGC3sRqBw2Mznu3Y HRU8Tb95/BKVOjFpbvDZbTd2016NZeX+SU7QjLc8cZed6J4jfxNf8yNYRNAiphrQYfo+ +5Vhrl7fj0n00G1l4XVsH0+wvvgUzFYgutMbkcK/ayG549z0zXCUKOd4GUhIXV2+r/vu vlyQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=7sD07a6En2jWPWH2kq8TUsn+RVkOBsvIFsWTqmBLW7Y=; b=k8So7hg2ZmWWlrQXOtga0ckJLJq1K/InfZD/qonMkEzkTydbF73kyCsCEoWGfgeeI7 0pE+geW9y6ggTtOZXewZjb1T3bdPIzgQr6FJPRhEW9eq/I/mXyqi6hvW0bJ2N2LmFqdE Y6a2NvIWCAEmYszvN4f/yZj0L/huAkdaAxPEjMXDMzJZQGJF/54WgiFffvYPTKN519ob 03629ax8r90NK5SoAnXbVLovpqT1bqFR4hF9eedB3cDBlMoRqF2W//HzSFzJPvbvlKMJ ds0DadIVqM/T4J0Hkcj4XGjXlsUOjsblTwDXRX4NBbQcWkIDVODDYWR6Icl+6Vgxwtth TElA== X-Gm-Message-State: AOAM532zjcDmXoW8NGNnBPQ/jkPaBLP/r1HXe7u6P+2ZXekkbnI9258M FY5L3uWEqpbR1nXggYk1bI/NKA== X-Google-Smtp-Source: ABdhPJxS9JeaA9nugKhk00ilscAGO+mjKuClzKn+M1SFU8Zww2GY/t5YayskghAfrWlTh0txvkRTVw== X-Received: by 2002:adf:f546:: with SMTP id j6mr2063748wrp.167.1593154667581; Thu, 25 Jun 2020 23:57:47 -0700 (PDT) Received: from localhost.localdomain ([2.27.35.144]) by smtp.gmail.com with ESMTPSA id x18sm15355269wmi.35.2020.06.25.23.57.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 25 Jun 2020 23:57:47 -0700 (PDT) From: Lee Jones To: broonie@kernel.org, lgirdwood@gmail.com Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Lee Jones , Russ Dill , Keerthy , AnilKumar Ch , linux-omap@vger.kernel.org Subject: [PATCH 5/9] regulator: tps65217-regulator: Remove pointless 'is unsigned int <0' check Date: Fri, 26 Jun 2020 07:57:34 +0100 Message-Id: <20200626065738.93412-6-lee.jones@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200626065738.93412-1-lee.jones@linaro.org> References: <20200626065738.93412-1-lee.jones@linaro.org> MIME-Version: 1.0 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org 'rid' is declared as unsigned int, so there is little point checking for <0. Removing these checks fixes the following W=1 warnings: drivers/regulator/tps65217-regulator.c: In function ‘tps65217_pmic_set_suspend_enable’: drivers/regulator/tps65217-regulator.c:127:10: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits] 127 | if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4) | ^ drivers/regulator/tps65217-regulator.c: In function ‘tps65217_pmic_set_suspend_disable’: drivers/regulator/tps65217-regulator.c:140:10: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits] 140 | if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4) | ^ Cc: Russ Dill Cc: Keerthy Cc: AnilKumar Ch Cc: linux-omap@vger.kernel.org Signed-off-by: Lee Jones --- drivers/regulator/tps65217-regulator.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/regulator/tps65217-regulator.c b/drivers/regulator/tps65217-regulator.c index d27dbbafcf721..f2d3a4a9f3e77 100644 --- a/drivers/regulator/tps65217-regulator.c +++ b/drivers/regulator/tps65217-regulator.c @@ -124,7 +124,7 @@ static int tps65217_pmic_set_suspend_enable(struct regulator_dev *dev) struct tps65217 *tps = rdev_get_drvdata(dev); unsigned int rid = rdev_get_id(dev); - if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4) + if (rid > TPS65217_LDO_4) return -EINVAL; return tps65217_clear_bits(tps, dev->desc->bypass_reg, @@ -137,7 +137,7 @@ static int tps65217_pmic_set_suspend_disable(struct regulator_dev *dev) struct tps65217 *tps = rdev_get_drvdata(dev); unsigned int rid = rdev_get_id(dev); - if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4) + if (rid > TPS65217_LDO_4) return -EINVAL; if (!tps->strobes[rid])