From patchwork Tue Jan 2 13:28:07 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julia Lawall X-Patchwork-Id: 10140567 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 0BA196034B for ; Tue, 2 Jan 2018 13:57:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0C2FF28B5C for ; Tue, 2 Jan 2018 13:57:58 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 00AAF28B7B; Tue, 2 Jan 2018 13:57:57 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7A20228B5C for ; Tue, 2 Jan 2018 13:57:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751550AbeABN54 (ORCPT ); Tue, 2 Jan 2018 08:57:56 -0500 Received: from mail2-relais-roc.national.inria.fr ([192.134.164.83]:46910 "EHLO mail2-relais-roc.national.inria.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753516AbeABN4y (ORCPT ); Tue, 2 Jan 2018 08:56:54 -0500 X-IronPort-AV: E=Sophos;i="5.45,497,1508796000"; d="scan'208";a="307399614" Received: from palace.lip6.fr (HELO localhost.localdomain) ([132.227.105.202]) by mail2-relais-roc.national.inria.fr with ESMTP/TLS/AES128-SHA256; 02 Jan 2018 14:56:46 +0100 From: Julia Lawall To: Jonathan Cameron Cc: kernel-janitors@vger.kernel.org, Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 11/12] iio: common: ssp_sensors: account for const type of of_device_id.data Date: Tue, 2 Jan 2018 14:28:07 +0100 Message-Id: <1514899688-27844-12-git-send-email-Julia.Lawall@lip6.fr> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1514899688-27844-1-git-send-email-Julia.Lawall@lip6.fr> References: <1514899688-27844-1-git-send-email-Julia.Lawall@lip6.fr> Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This driver creates a number of const structures that it stores in the data field of an of_device_id array. Add const to the declaration of the location that receives a value from the data field to ensure that the compiler will continue to check that the value is not modified and remove the const-dropping cast on the access to the data field. Done using Coccinelle. Signed-off-by: Julia Lawall --- drivers/iio/common/ssp_sensors/ssp.h | 2 +- drivers/iio/common/ssp_sensors/ssp_dev.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff -u -p a/drivers/iio/common/ssp_sensors/ssp.h b/drivers/iio/common/ssp_sensors/ssp.h --- a/drivers/iio/common/ssp_sensors/ssp.h +++ b/drivers/iio/common/ssp_sensors/ssp.h @@ -188,7 +188,7 @@ struct ssp_sensorhub_info { */ struct ssp_data { struct spi_device *spi; - struct ssp_sensorhub_info *sensorhub_info; + const struct ssp_sensorhub_info *sensorhub_info; struct timer_list wdt_timer; struct work_struct work_wdt; struct delayed_work work_refresh; diff -u -p a/drivers/iio/common/ssp_sensors/ssp_dev.c b/drivers/iio/common/ssp_sensors/ssp_dev.c --- a/drivers/iio/common/ssp_sensors/ssp_dev.c +++ b/drivers/iio/common/ssp_sensors/ssp_dev.c @@ -486,7 +486,7 @@ static struct ssp_data *ssp_parse_dt(str if (!match) goto err_mcu_reset_gpio; - data->sensorhub_info = (struct ssp_sensorhub_info *)match->data; + data->sensorhub_info = match->data; dev_set_drvdata(dev, data);