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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT 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 99B91C432C3 for ; Fri, 15 Nov 2019 08:49:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7C78620733 for ; Fri, 15 Nov 2019 08:49:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727066AbfKOIti (ORCPT ); Fri, 15 Nov 2019 03:49:38 -0500 Received: from mga11.intel.com ([192.55.52.93]:59180 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726365AbfKOItf (ORCPT ); Fri, 15 Nov 2019 03:49:35 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 15 Nov 2019 00:49:34 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.68,307,1569308400"; d="scan'208";a="208370306" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga006.jf.intel.com with ESMTP; 15 Nov 2019 00:49:32 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id B4E0B12A; Fri, 15 Nov 2019 10:49:31 +0200 (EET) From: Andy Shevchenko To: Lee Jones , Arnd Bergmann , linux-kernel@vger.kernel.org Cc: Andy Shevchenko Subject: [PATCH v1 1/2] mfd: syscon: Re-use resource_size() to count max_register Date: Fri, 15 Nov 2019 10:49:30 +0200 Message-Id: <20191115084931.77161-1-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.24.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Instead of open coded variant use resource_size() and replace weird '- 3' to more understandable '- 4'. Signed-off-by: Andy Shevchenko --- 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 e22197c832e8..13626bb2d432 100644 --- a/drivers/mfd/syscon.c +++ b/drivers/mfd/syscon.c @@ -245,7 +245,7 @@ static int syscon_probe(struct platform_device *pdev) if (!base) return -ENOMEM; - syscon_config.max_register = res->end - res->start - 3; + syscon_config.max_register = resource_size(res) - 4; if (pdata) syscon_config.name = pdata->label; syscon->regmap = devm_regmap_init_mmio(dev, base, &syscon_config); -- 2.24.0