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 6C014C7618A for ; Mon, 20 Mar 2023 15:31:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233045AbjCTPb1 (ORCPT ); Mon, 20 Mar 2023 11:31:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48748 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232469AbjCTPbF (ORCPT ); Mon, 20 Mar 2023 11:31:05 -0400 Received: from mail-wr1-x431.google.com (mail-wr1-x431.google.com [IPv6:2a00:1450:4864:20::431]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 04C3D33469 for ; Mon, 20 Mar 2023 08:23:27 -0700 (PDT) Received: by mail-wr1-x431.google.com with SMTP id y14so10733879wrq.4 for ; Mon, 20 Mar 2023 08:23:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1679325803; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=G5r4xW0SFy5xnQUYRPg8Rn0IUjwAIHkZLfnsMjBMBlo=; b=NIsTRyaPLIG5ttPYu/Dx7qu6rDlCE1dZBPxp5a5HqLZR6/KE2nZQWEhmluEjq9uRBz z8u+45wdbyCv2MCwuzSjBaBwBLR22RpplzClcyRI7rs1imTCtRBxxhxR9ff6DAsbORSs 2PPbG9gYPNf2kokzwRz7zjyCboOqw1F1Q2uMPei7UyHPbn9IvkNSuzwev9ftzqZbaCdx UKcj+97CdbAR48paSjN9yoGwt+gKFVSFXNFrKsYU3LXqA1njFJ0Y7suDLgygOGSJfi/1 2TyHAO7ew1TNroa6/MX9RxgNUe7HMJIg57i5LgZYOkb7nY6ll8dXkuwflnTK9tz6l2c5 ar+Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679325803; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=G5r4xW0SFy5xnQUYRPg8Rn0IUjwAIHkZLfnsMjBMBlo=; b=jMIArm0H9BBv9+Nu6gFsKukgEdDuvO5IcW+PpbVEZ0t5Hsd8ArPD4NDwQUNfXnl2DL dxTvocwwB6K3pJp9VmN36YozUSSTmSZS42yZFSaYyW++vstqhYLHUFPmMjsJyAvEcPmY KuMrhXI1chOD19s5LHjly8UVxDJQBMWnS9AZ3efYjeLdXWtG0ri9kPQuxnRLD9KL7bT9 eCtjHffI9lo7G4bKQUz7fvqzWoqoHN1pTEX15i4fojOfAulZ+gTiUrMZUngrWDXc6YIs j1YratF28Cd/hLIZTOwWvFcRvsdcMUUc04+I0wbQxuPdbml+AJsOTTk6X7H5qARN1EWG cZBg== X-Gm-Message-State: AO0yUKUcTjm7l5Metgqj1DhTYJ/IOsDHRXErg1xXouSA0k3ewswZxg5S QTYaWXffUyFwErOdduJBcQHNtg== X-Google-Smtp-Source: AK7set9WlCjc9i93x8LyM/2+1cA8YLtOf/j6ptEkfLMnG05NrIuCLF4V024VoZHfR1v8Vzcsa8pJhg== X-Received: by 2002:a5d:510f:0:b0:2ce:a74f:3249 with SMTP id s15-20020a5d510f000000b002cea74f3249mr13208228wrt.43.1679325802970; Mon, 20 Mar 2023 08:23:22 -0700 (PDT) Received: from loic-ThinkPad-T470p.. ([2a01:e0a:82c:5f0:f775:fe58:f222:14c7]) by smtp.gmail.com with ESMTPSA id b13-20020adff90d000000b002c54c92e125sm9156761wrr.46.2023.03.20.08.23.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Mar 2023 08:23:22 -0700 (PDT) From: Loic Poulain To: lee@kernel.org, arnd@arndb.de Cc: linux-kernel@vger.kernel.org, Loic Poulain Subject: [PATCH] mfd: syscon: Use of_io_request_and_map() for IO mapping Date: Mon, 20 Mar 2023 16:23:19 +0100 Message-Id: <20230320152319.665592-1-loic.poulain@linaro.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use of_io_request_and_map() instead of of_iomap() so that the region is reserved and protected, i.e reported in /proc/iomem and not accessible from user side (CONFIG_IO_STRICT_DEVMEM). Signed-off-by: Loic Poulain --- drivers/mfd/syscon.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mfd/syscon.c b/drivers/mfd/syscon.c index bdb2ce7ff03b..7e6d4edda118 100644 --- a/drivers/mfd/syscon.c +++ b/drivers/mfd/syscon.c @@ -60,7 +60,7 @@ static struct syscon *of_syscon_register(struct device_node *np, bool check_clk) goto err_map; } - base = of_iomap(np, 0); + base = of_io_request_and_map(np, 0, NULL); if (!base) { ret = -ENOMEM; goto err_map; -- 2.34.1