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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 6D79EC606C1 for ; Mon, 8 Jul 2019 15:22:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3B8D8214C6 for ; Mon, 8 Jul 2019 15:22:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1562599329; bh=MrBvBHU4mwEA3WSIv/aF/ziLSZLflftoJo/8fMLDxEY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=UnbL+N7fQQz+e3exvnq6qKIcfnTRl2jV+z6L+wsW/v3ly/6s/lSBg410xccMpEhlv RZKA01h5WhwFfgrLm/MMGT2/Bfh/da663joGCCT69RBQYUEkQbBSDyoVF9znxFLDI+ X7V0dWHMCL3mSdybNz8mAUg4QdSinRStn1lA+NPA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387890AbfGHPWI (ORCPT ); Mon, 8 Jul 2019 11:22:08 -0400 Received: from mail.kernel.org ([198.145.29.99]:48300 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730971AbfGHPWF (ORCPT ); Mon, 8 Jul 2019 11:22:05 -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 AEE2921743; Mon, 8 Jul 2019 15:22:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1562599324; bh=MrBvBHU4mwEA3WSIv/aF/ziLSZLflftoJo/8fMLDxEY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bD9mIY6DY1K8kGMJgbVKVMN8c3q8ZRpQyh+3cK53WnsKqAF+8lqArSJvnjjQLY9zY dCvPBb2mfh+Da3PqBUCIBpEDgVCjR/ibKMxwymTLmDBW6itH4AXpI3d2dDwhqnpaIj g00ikhG5c6zHWVINWUgYPe7kZMhfXsn02aQOKtdA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Arnd Bergmann , Lee Jones , Sasha Levin Subject: [PATCH 4.9 078/102] mfd: omap-usb-tll: Fix register offsets Date: Mon, 8 Jul 2019 17:13:11 +0200 Message-Id: <20190708150530.489167862@linuxfoundation.org> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190708150525.973820964@linuxfoundation.org> References: <20190708150525.973820964@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org [ Upstream commit 993dc737c0996c163325961fb62a0ed9fd0308b4 ] gcc-8 notices that the register number calculation is wrong when the offset is an 'u8' but the number is larger than 256: drivers/mfd/omap-usb-tll.c: In function 'omap_tll_init': drivers/mfd/omap-usb-tll.c:90:46: error: overflow in conversion from 'int' to 'u8 {aka unsigned char}' chages value from 'i * 256 + 2070' to '22' [-Werror=overflow] This addresses it by always using a 32-bit offset number for the register. This is apparently an old problem that previous compilers did not find. Fixes: 16fa3dc75c22 ("mfd: omap-usb-tll: HOST TLL platform driver") Signed-off-by: Arnd Bergmann Signed-off-by: Lee Jones Signed-off-by: Sasha Levin --- drivers/mfd/omap-usb-tll.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/mfd/omap-usb-tll.c b/drivers/mfd/omap-usb-tll.c index 9d167c9af2c6..e153276ed954 100644 --- a/drivers/mfd/omap-usb-tll.c +++ b/drivers/mfd/omap-usb-tll.c @@ -131,12 +131,12 @@ static inline u32 usbtll_read(void __iomem *base, u32 reg) return readl_relaxed(base + reg); } -static inline void usbtll_writeb(void __iomem *base, u8 reg, u8 val) +static inline void usbtll_writeb(void __iomem *base, u32 reg, u8 val) { writeb_relaxed(val, base + reg); } -static inline u8 usbtll_readb(void __iomem *base, u8 reg) +static inline u8 usbtll_readb(void __iomem *base, u32 reg) { return readb_relaxed(base + reg); } -- 2.20.1