From nobody Thu Dec 18 18:55:33 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F3184C77B73 for ; Thu, 27 Apr 2023 17:42:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244482AbjD0Rmw (ORCPT ); Thu, 27 Apr 2023 13:42:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49872 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244536AbjD0Rmf (ORCPT ); Thu, 27 Apr 2023 13:42:35 -0400 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id C2A5955AD; Thu, 27 Apr 2023 10:42:21 -0700 (PDT) Received: from skinsburskii.localdomain (c-67-170-100-148.hsd1.wa.comcast.net [67.170.100.148]) by linux.microsoft.com (Postfix) with ESMTPSA id 2486921C33E2; Thu, 27 Apr 2023 10:42:21 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 2486921C33E2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1682617341; bh=UW7ul1bnDEkuT8AVHX2Onz8R55uQ/uJg/sKB3VFIxA8=; h=Subject:From:Cc:Date:In-Reply-To:References:From; b=GliyQuKW8oGgjFC+cLdORseF/SjeucGpIWTeHmMqR/KK+I4hETWbTsw1knbYRh+ZR MAUHxIEfXAJKc+C+mHa5zeINLp0UrkYuhHWGUcDUmjK65ZhaWGnbgn4HjG5NdbtxYG zPBjIck4JhL804V8kj1f5FBRY43HMXKgC5GxUAzs= Subject: [PATCH 5/7] ia64: asm/io.h: Expect immutable pointer in virt_to_phys prototype From: Stanislav Kinsburskii Cc: Stanislav Kinsburskii , Geert Uytterhoeven , Helge Deller , Arnd Bergmann , Andrew Morton , Bjorn Helgaas , Stanislav Kinsburskii , linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org Date: Sat, 15 Apr 2023 04:17:48 -0700 Message-ID: <168155746830.13678.8071954787135972276.stgit@skinsburskii.localdomain> In-Reply-To: <168155718437.13678.714141668943813263.stgit@skinsburskii.localdomain> References: <168155718437.13678.714141668943813263.stgit@skinsburskii.localdomain> User-Agent: StGit/0.19 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Stanislav Kinsburskii These helper function - virt_to_phys - doesn't need the address pointer to be mutable. In the same time expecting it to be mutable leads to the following build warning for constant pointers: warning: passing argument 1 of =E2=80=98virt_to_phys=E2=80=99 discards = =E2=80=98const=E2=80=99 qualifier from pointer target type Signed-off-by: Stanislav Kinsburskii CC: Geert Uytterhoeven CC: Helge Deller CC: Arnd Bergmann CC: Andrew Morton CC: Bjorn Helgaas CC: Stanislav Kinsburskii CC: linux-ia64@vger.kernel.org CC: linux-kernel@vger.kernel.org --- arch/ia64/include/asm/io.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/ia64/include/asm/io.h b/arch/ia64/include/asm/io.h index 83a492c8d298..c56ad21ba1e9 100644 --- a/arch/ia64/include/asm/io.h +++ b/arch/ia64/include/asm/io.h @@ -74,7 +74,7 @@ extern unsigned int num_io_spaces; * Change virtual addresses to physical addresses and vv. */ static inline unsigned long -virt_to_phys (volatile void *address) +virt_to_phys (const volatile void *address) { return (unsigned long) address - PAGE_OFFSET; }