From nobody Thu Dec 18 18:56:04 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 4CFE2C77B73 for ; Thu, 27 Apr 2023 17:43:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244606AbjD0RnK (ORCPT ); Thu, 27 Apr 2023 13:43:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49836 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244608AbjD0Rmq (ORCPT ); Thu, 27 Apr 2023 13:42:46 -0400 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 46D515FE5; Thu, 27 Apr 2023 10:42:33 -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 590A721C33E1; Thu, 27 Apr 2023 10:42:32 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 590A721C33E1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1682617352; bh=JzW52Omm51Pbk9wjpjdqd20u4BkUZE5fIgVHo4czr6g=; h=Subject:From:Cc:Date:In-Reply-To:References:From; b=Ndu3v4Nv6DdxwdMWwYXsIdVK+/OKKnSlFxnwYRe5+4vYuhKkWuJa3H3ajz/keSZhL D9a//NBRM2gcEk/I1HTmQkqamXjCSkcS5/SjaAspvmoXWzVWrxPI/s1rau7sJ/cw7J VsYOBppFTptB2s2cZoejMUuCHM/XbqmID3JzPnl8= Subject: [PATCH 7/7] asm-generic/io.h: Expect immutable pointer in virt_to_phys From: Stanislav Kinsburskii Cc: Stanislav Kinsburskii , Arnd Bergmann , linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org Date: Sat, 15 Apr 2023 04:17:59 -0700 Message-ID: <168155747955.13678.5648956145924030241.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: Arnd Bergmann CC: linux-arch@vger.kernel.org CC: linux-kernel@vger.kernel.org Reviewed-by: Linus Walleij --- include/asm-generic/io.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h index 587e7e9b9a37..ee9d9584e05b 100644 --- a/include/asm-generic/io.h +++ b/include/asm-generic/io.h @@ -1000,7 +1000,7 @@ static inline void iowrite64_rep(volatile void __iome= m *addr, */ #ifndef virt_to_phys #define virt_to_phys virt_to_phys -static inline unsigned long virt_to_phys(volatile void *address) +static inline unsigned long virt_to_phys(const volatile void *address) { return __pa((unsigned long)address); }