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=-20.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 6D96AC433F5 for ; Thu, 23 Sep 2021 03:41:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5412E6135F for ; Thu, 23 Sep 2021 03:41:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239815AbhIWDmc (ORCPT ); Wed, 22 Sep 2021 23:42:32 -0400 Received: from mail.kernel.org ([198.145.29.99]:42542 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239350AbhIWDlH (ORCPT ); Wed, 22 Sep 2021 23:41:07 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 735FF61152; Thu, 23 Sep 2021 03:39:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1632368377; bh=DbamdzFqwzYxjWAY90N4KPNFpacLwI+hR16Rry/o9dY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=P7yLv6NHC9ZPjM4jFpPDvFfG4nuwWMZl75t1ceN5VhfRBu+gGg3Y9G157vsVzGIuR /BKEqOO8SEreGybGjj4cTvwZzJidVACwRE9P8RiALWq84H6FX9q8P7kaBzzCn77Qeo tz9UlblTXdT0jT9VM7mxfhjUHtt9MbViuuSI+Cun7ZrM77EDQVuUcwKrE+KRZAiKEu VEv/OGpteV5AFsP8PDvAPnuik/Jtsz8j3ppP4qo9fypVlK3yXnAfCqRrWxvXLlvXAS Oiqmi+eZTGdK7HxgUfuTWF+OWklhPxJIBvFjUPHzk0P0ztUSIpRrr8YjG4Phmw9RQd Lz551cq8sGq9A== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Guenter Roeck , Geert Uytterhoeven , Sasha Levin , linux-m68k@lists.linux-m68k.org Subject: [PATCH AUTOSEL 4.19 04/15] m68k: Double cast io functions to unsigned long Date: Wed, 22 Sep 2021 23:39:18 -0400 Message-Id: <20210923033929.1421446-4-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210923033929.1421446-1-sashal@kernel.org> References: <20210923033929.1421446-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Guenter Roeck [ Upstream commit b1a89856fbf63fffde6a4771d8f1ac21df549e50 ] m68k builds fail widely with errors such as arch/m68k/include/asm/raw_io.h:20:19: error: cast to pointer from integer of different size arch/m68k/include/asm/raw_io.h:30:32: error: cast to pointer from integer of different size [-Werror=int-to-p On m68k, io functions are defined as macros. The problem is seen if the macro parameter variable size differs from the size of a pointer. Cast the parameter of all io macros to unsigned long before casting it to a pointer to fix the problem. Signed-off-by: Guenter Roeck Link: https://lore.kernel.org/r/20210907060729.2391992-1-linux@roeck-us.net Signed-off-by: Geert Uytterhoeven Signed-off-by: Sasha Levin --- arch/m68k/include/asm/raw_io.h | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/arch/m68k/include/asm/raw_io.h b/arch/m68k/include/asm/raw_io.h index 85761255dde5..6a03aef53980 100644 --- a/arch/m68k/include/asm/raw_io.h +++ b/arch/m68k/include/asm/raw_io.h @@ -17,21 +17,21 @@ * two accesses to memory, which may be undesirable for some devices. */ #define in_8(addr) \ - ({ u8 __v = (*(__force volatile u8 *) (addr)); __v; }) + ({ u8 __v = (*(__force volatile u8 *) (unsigned long)(addr)); __v; }) #define in_be16(addr) \ - ({ u16 __v = (*(__force volatile u16 *) (addr)); __v; }) + ({ u16 __v = (*(__force volatile u16 *) (unsigned long)(addr)); __v; }) #define in_be32(addr) \ - ({ u32 __v = (*(__force volatile u32 *) (addr)); __v; }) + ({ u32 __v = (*(__force volatile u32 *) (unsigned long)(addr)); __v; }) #define in_le16(addr) \ - ({ u16 __v = le16_to_cpu(*(__force volatile __le16 *) (addr)); __v; }) + ({ u16 __v = le16_to_cpu(*(__force volatile __le16 *) (unsigned long)(addr)); __v; }) #define in_le32(addr) \ - ({ u32 __v = le32_to_cpu(*(__force volatile __le32 *) (addr)); __v; }) + ({ u32 __v = le32_to_cpu(*(__force volatile __le32 *) (unsigned long)(addr)); __v; }) -#define out_8(addr,b) (void)((*(__force volatile u8 *) (addr)) = (b)) -#define out_be16(addr,w) (void)((*(__force volatile u16 *) (addr)) = (w)) -#define out_be32(addr,l) (void)((*(__force volatile u32 *) (addr)) = (l)) -#define out_le16(addr,w) (void)((*(__force volatile __le16 *) (addr)) = cpu_to_le16(w)) -#define out_le32(addr,l) (void)((*(__force volatile __le32 *) (addr)) = cpu_to_le32(l)) +#define out_8(addr,b) (void)((*(__force volatile u8 *) (unsigned long)(addr)) = (b)) +#define out_be16(addr,w) (void)((*(__force volatile u16 *) (unsigned long)(addr)) = (w)) +#define out_be32(addr,l) (void)((*(__force volatile u32 *) (unsigned long)(addr)) = (l)) +#define out_le16(addr,w) (void)((*(__force volatile __le16 *) (unsigned long)(addr)) = cpu_to_le16(w)) +#define out_le32(addr,l) (void)((*(__force volatile __le32 *) (unsigned long)(addr)) = cpu_to_le32(l)) #define raw_inb in_8 #define raw_inw in_be16 -- 2.30.2