From patchwork Wed Jul 12 11:54:08 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arvind Yadav X-Patchwork-Id: 787173 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3x6y6r3q6Bz9rxm for ; Wed, 12 Jul 2017 21:54:44 +1000 (AEST) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="CStLkmxe"; dkim-atps=neutral Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756401AbdGLLyo (ORCPT ); Wed, 12 Jul 2017 07:54:44 -0400 Received: from mail-pg0-f68.google.com ([74.125.83.68]:35478 "EHLO mail-pg0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756235AbdGLLyn (ORCPT ); Wed, 12 Jul 2017 07:54:43 -0400 Received: by mail-pg0-f68.google.com with SMTP id d193so2765170pgc.2; Wed, 12 Jul 2017 04:54:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=9CENihWETxdUsAMdtSGpa5ANWayszanTEWJ3VQnqpVw=; b=CStLkmxe7wILO2Ya8Hk0JwGOXMfElwUvdHMhzHbJZC+8JlT+Y6rkImt2BDbtriyDLu XTnWqSCnHOuAnVol1mFYBjCxqL1NojWU63FF+wmZMqn0+/A3BwLl0JLQvEyVJYYbmzMG UtukzYmqk6cECvJ5Uz5aV8aRjUtzzWH2UeQJrhjEYg3GA2PoZwP5iBrb9jFTBE2Hos1y Th0jkK8jBUJFK09wjFAKTjATLNdhVIaFiTxA3zB1+xi7Fv77Q4kuJdznhrnfYv2IX1dm ZE147JEBb4zQUPQePk8dQjG8BzMc/wem36PHFYA2n7CK3/vZJwRSUGY4tgtKyiQLeGvM 4iEw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=9CENihWETxdUsAMdtSGpa5ANWayszanTEWJ3VQnqpVw=; b=kL4UBWo2u4JCkCDXIJcFShPmpGS94HSzZ3fE2aqs7ZqkgzaXHwdso93Z24afDKmIIX qmYJaSng9Izki8PxIDeCcnxnS8QKkOyzePYBT5qn8YOufuE7d6epF/ico2hdDX5n/oS+ M1MO3e4PE9Ef3O0CSRRIAUQ89C2Y6r/mdxj20bzF9cYbBUFpcZmyg+YxDbZvLscybSc1 kOgo+zyRnUmtt5Fu6wdwV7kYXo7F48DQLj9mRUyVdZfPdaMsTv0L9DAdvWgeCNeDYcYZ 3I/a5psUNxPCODVUkUDo7VOylGndnez0C/c7u6qw84rzwsT+5jY6DIjY7otEnKFsQgU3 /mhA== X-Gm-Message-State: AIVw113Hn9Ih1vrto+wp1H1HlJkzvUcRdQuZNt3yf6agokOEcBc7LPbc Y+5oNz0owCIpp9jF X-Received: by 10.99.119.198 with SMTP id s189mr3542005pgc.32.1499860482559; Wed, 12 Jul 2017 04:54:42 -0700 (PDT) Received: from symbol-HP-Z420-Workstation.zebra.lan ([223.31.70.102]) by smtp.googlemail.com with ESMTPSA id w20sm4711645pgc.34.2017.07.12.04.54.40 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 12 Jul 2017 04:54:41 -0700 (PDT) From: Arvind Yadav To: a.zummo@towertech.it, alexandre.belloni@free-electrons.com Cc: linux-rtc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] rtc: m41t80: constify attribute_group structures. Date: Wed, 12 Jul 2017 17:24:08 +0530 Message-Id: <25a7f1388403165803a78ffeb63e4a5429c38a45.1499860262.git.arvind.yadav.cs@gmail.com> X-Mailer: git-send-email 1.9.1 Sender: linux-rtc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rtc@vger.kernel.org attribute_groups are not supposed to change at runtime. All functions working with attribute_groups provided by work with const attribute_group. So mark the non-const structs as const. File size before: text data bss dec hex filename 4162 544 0 4706 1262 drivers/rtc/rtc-m41t80.o File size After adding 'const': text data bss dec hex filename 4226 480 0 4706 1262 drivers/rtc/rtc-m41t80.o Signed-off-by: Arvind Yadav --- drivers/rtc/rtc-m41t80.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c index 5ec4653..c15a19e 100644 --- a/drivers/rtc/rtc-m41t80.c +++ b/drivers/rtc/rtc-m41t80.c @@ -524,7 +524,7 @@ static ssize_t sqwfreq_store(struct device *dev, NULL, }; -static struct attribute_group attr_group = { +static const struct attribute_group attr_group = { .attrs = attrs, };