From mboxrd@z Thu Jan 1 00:00:00 1970 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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 2B11AC433E1 for ; Thu, 20 Aug 2020 10:01:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F219E22B40 for ; Thu, 20 Aug 2020 10:01:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1597917694; bh=deAXlMAOnKUuC4bREE4TaknAbxR6vkBJLpB4dFrHtk0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=L5MOhGQSOhU3xXd+17BYLKnQOd/pqdNiK2pwEx9plqtqN3cAy0BES6C7B6QvGvuym NDk6b8kPRIEBBV9967lFW0qOWFL7yyH0lcxgKXJwRWJ8UPe1B5IXIKURKfp4dJZVOl QVtP3JgPAHn2Ndv+tQ0JRKmukdhBqaX6G9K1C/mE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728116AbgHTKBa (ORCPT ); Thu, 20 Aug 2020 06:01:30 -0400 Received: from mail.kernel.org ([198.145.29.99]:50034 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730406AbgHTKBO (ORCPT ); Thu, 20 Aug 2020 06:01:14 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6E09020855; Thu, 20 Aug 2020 10:01:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1597917661; bh=deAXlMAOnKUuC4bREE4TaknAbxR6vkBJLpB4dFrHtk0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lz8CVpM0GxcUOB2yh6MuGG4Yi7Jzra68fMjevFaFlbKSU8NWT5SY7gJ6Kk1TvFpKA meiNhkGp+fSl4CADNe9a6+yokL1vPEeMOwQRNtCVLg44Ps7aNjEqZKVSVYR7HiPZBT 3conOIHEKlY9Q82FVRzIbH8z3IKwxp0Khyg4lsAI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Arnd Bergmann , Pavel Machek , Sasha Levin Subject: [PATCH 4.9 112/212] leds: lm355x: avoid enum conversion warning Date: Thu, 20 Aug 2020 11:21:25 +0200 Message-Id: <20200820091608.000191831@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200820091602.251285210@linuxfoundation.org> References: <20200820091602.251285210@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Arnd Bergmann [ Upstream commit 985b1f596f9ed56f42b8c2280005f943e1434c06 ] clang points out that doing arithmetic between diffent enums is usually a mistake: drivers/leds/leds-lm355x.c:167:28: warning: bitwise operation between different enumeration types ('enum lm355x_tx2' and 'enum lm355x_ntc') [-Wenum-enum-conversion] reg_val = pdata->pin_tx2 | pdata->ntc_pin; ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~ drivers/leds/leds-lm355x.c:178:28: warning: bitwise operation between different enumeration types ('enum lm355x_tx2' and 'enum lm355x_ntc') [-Wenum-enum-conversion] reg_val = pdata->pin_tx2 | pdata->ntc_pin | pdata->pass_mode; ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~ In this driver, it is intentional, so add a cast to hide the false-positive warning. It appears to be the only instance of this warning at the moment. Fixes: b98d13c72592 ("leds: Add new LED driver for lm355x chips") Signed-off-by: Arnd Bergmann Signed-off-by: Pavel Machek Signed-off-by: Sasha Levin --- drivers/leds/leds-lm355x.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/leds/leds-lm355x.c b/drivers/leds/leds-lm355x.c index 6cb94f9a2f3f3..b9c60dd2b1327 100644 --- a/drivers/leds/leds-lm355x.c +++ b/drivers/leds/leds-lm355x.c @@ -168,18 +168,19 @@ static int lm355x_chip_init(struct lm355x_chip_data *chip) /* input and output pins configuration */ switch (chip->type) { case CHIP_LM3554: - reg_val = pdata->pin_tx2 | pdata->ntc_pin; + reg_val = (u32)pdata->pin_tx2 | (u32)pdata->ntc_pin; ret = regmap_update_bits(chip->regmap, 0xE0, 0x28, reg_val); if (ret < 0) goto out; - reg_val = pdata->pass_mode; + reg_val = (u32)pdata->pass_mode; ret = regmap_update_bits(chip->regmap, 0xA0, 0x04, reg_val); if (ret < 0) goto out; break; case CHIP_LM3556: - reg_val = pdata->pin_tx2 | pdata->ntc_pin | pdata->pass_mode; + reg_val = (u32)pdata->pin_tx2 | (u32)pdata->ntc_pin | + (u32)pdata->pass_mode; ret = regmap_update_bits(chip->regmap, 0x0A, 0xC4, reg_val); if (ret < 0) goto out; -- 2.25.1