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=-1.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 F16ABC04AAF for ; Tue, 21 May 2019 15:20:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C72FF21743 for ; Tue, 21 May 2019 15:20:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="f6Tfhl71" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728871AbfEUPUN (ORCPT ); Tue, 21 May 2019 11:20:13 -0400 Received: from mail-ot1-f67.google.com ([209.85.210.67]:38202 "EHLO mail-ot1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728837AbfEUPUK (ORCPT ); Tue, 21 May 2019 11:20:10 -0400 Received: by mail-ot1-f67.google.com with SMTP id s19so16689171otq.5 for ; Tue, 21 May 2019 08:20:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=A+8divkK1RJk885MhoBadHe7V0Gz6HXofpqqERzrJNA=; b=f6Tfhl718TNjdi17fhG7uFrVhiNMtt0eFnN88/vWM/iqLcrXdf0U78Tcw2BR4iQWh8 BpO6NpBCYB8c7OHdo47JDGicRRFwC5/faPsW3qq7jO+OUHOxI/qbZhr00c10svQ7dwP7 O+Wm4TvaOB0rOEgPyHxOKrauegQSRzVft+LE5BPSDPnwgfo7LybMTjqFdxQwlh1jw2pL 067JIheUQAjveLhU0yumxM018uQkXYZiy8mb4De7QOb9L3SEYr2fAK3FhlsN7+wCGKqV XMKmaEaXTxZSutXnkwjOSQgeTSIl81ZRwkYcEcx3efybOKztMt+f8gRWrJUH60qGMMN5 j8KA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=A+8divkK1RJk885MhoBadHe7V0Gz6HXofpqqERzrJNA=; b=piVbL/8AWJxzMgjRAVQmxAZ/4JGhIkaczO0xH0d5gbEoThHIKooLZXmamWiUpyludj vHE6MilRj+LLGBltPhVG625Y6J/D0fo/g5CRahC74vxT6dcTWYWzpMUs4A9GdKR9r8IJ Ogt6ya8S2Ds9qTbYknKwTuh5ocpZmYR1qvx7rRjRbz0uJN1G/SDtfwVx40HSFNnUUA/Y vtpN/vcUfSlncKY1fiyqE3AiHoIWhRWxDUDBHzGqT8bbTuD6V7VhINouKubaxBP53dDe vkha1OJvWeX3o0aEWTTLWtYIduv7/10w62MCMBKaNL2AZohK11Tqrx5IBpwT3xCgxs6+ 6urA== X-Gm-Message-State: APjAAAWSPThtGExHV8dZmtgdDiScUBaZtcunbTagdNUEJgcf9ze+1iMP raWOKLymaQKvtOLgXAU2OMXr6lA96Cugn47WifHgJwuJ X-Google-Smtp-Source: APXvYqyNDKJ6GMe6x1bgirllN226UDaCKuo/V2cXOkEm0n2JojXasrFXk9uTVsfXh7oaX/38x3TpAHQkNYNRZQ6UWLk= X-Received: by 2002:a05:6830:209a:: with SMTP id y26mr19927286otq.232.1558452009981; Tue, 21 May 2019 08:20:09 -0700 (PDT) MIME-Version: 1.0 References: <20190521145116.24378-1-TheSven73@gmail.com> <20190521151059.GM31203@kadam> In-Reply-To: <20190521151059.GM31203@kadam> From: Sven Van Asbroeck Date: Tue, 21 May 2019 11:19:59 -0400 Message-ID: Subject: Re: [PATCH] staging: fieldbus: anybuss: force address space conversion To: Dan Carpenter Cc: Greg KH , devel@driverdev.osuosl.org, Linux Kernel Mailing List Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, May 21, 2019 at 11:13 AM Dan Carpenter wrote: > > There is no need to use __force. Just: > > void __iomem *base = (void __iomem *)context; > > For the rest as well. Yes, that appears to work for 'void *' -> __iomem, but not the other way around: + return devm_regmap_init(dev, NULL, (void *)base, ®map_cfg); sparse generates: drivers/staging/fieldbus/anybuss/arcx-anybus.c:156:16: warning: cast removes address space of expression Would it be a ok solution to use __force in this instance only?