From patchwork Mon Jun 26 21:26:22 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?TWljaGHFgiBNaXJvc8WCYXc=?= X-Patchwork-Id: 696738 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 4C5BEEB64D7 for ; Mon, 26 Jun 2023 21:26:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229984AbjFZV02 (ORCPT ); Mon, 26 Jun 2023 17:26:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59916 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229562AbjFZV01 (ORCPT ); Mon, 26 Jun 2023 17:26:27 -0400 Received: from rere.qmqm.pl (rere.qmqm.pl [91.227.64.183]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0EEC5BD; Mon, 26 Jun 2023 14:26:26 -0700 (PDT) Received: from remote.user (localhost [127.0.0.1]) by rere.qmqm.pl (Postfix) with ESMTPSA id 4Qqgrb2JXJz5P; Mon, 26 Jun 2023 23:26:23 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=rere.qmqm.pl; s=1; t=1687814783; bh=A1vX/Rui6Hw1vPtrHasKkX4UxOWQFsKVaGJ8Atwa9Bo=; h=Date:Subject:From:To:Cc:From; b=XQYQ8jJussbJBbRl7T8rXwOpF/PxTFBz2SqoTjdqAHaVKqWaQGAMZT25KKHUulPPT ln/wYDLZ86ucnnvQh3IKygnDZJAduxMsrvc3XzD2qOoWMaDXn4T+aG4J95ZBefak0Y BarfWt6Fz2lU5ob9d6qVq4X+rjsq+yOH9d3TmUL4oxcmHw2MZDM+f136U/0x5nVSnE HmMhoHglrfEG6VD1YeXNF7c/ZeemyMtH7zHWTs8iqnOaFSeISJUcAbyyAFq26wxSkT 7mvH1RRFJpmqk8Ai3ptzkj8q1jEULcbpb5G7sBxWt4EBMPuRPakEmRVcmC6cKdJp/f eD25C8KCH0kjQ== X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.8 at mail Date: Mon, 26 Jun 2023 23:26:22 +0200 Message-Id: <6ac87dcbb660ae892bf8740c78d3eca7625d6db6.1687814664.git.mirq-linux@rere.qmqm.pl> Subject: [PATCH 1/1] i2c: at91: constify at91_twi_pdata MIME-Version: 1.0 From: =?utf-8?b?TWljaGHFgiBNaXJvc8WCYXc=?= To: Codrin Ciubotariu , Andi Shyti Cc: linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org Signed-off-by: Michał Mirosław --- drivers/i2c/busses/i2c-at91-core.c | 24 ++++++++++++------------ drivers/i2c/busses/i2c-at91-master.c | 4 ++-- drivers/i2c/busses/i2c-at91.h | 2 +- 3 files changed, 15 insertions(+), 15 deletions(-) diff --git a/drivers/i2c/busses/i2c-at91-core.c b/drivers/i2c/busses/i2c-at91-core.c index 05ad3bc3578a..4d484e231371 100644 --- a/drivers/i2c/busses/i2c-at91-core.c +++ b/drivers/i2c/busses/i2c-at91-core.c @@ -62,28 +62,28 @@ void at91_init_twi_bus(struct at91_twi_dev *dev) at91_init_twi_bus_master(dev); } -static struct at91_twi_pdata at91rm9200_config = { +static const struct at91_twi_pdata at91rm9200_config = { .clk_max_div = 5, .clk_offset = 3, .has_unre_flag = true, }; -static struct at91_twi_pdata at91sam9261_config = { +static const struct at91_twi_pdata at91sam9261_config = { .clk_max_div = 5, .clk_offset = 4, }; -static struct at91_twi_pdata at91sam9260_config = { +static const struct at91_twi_pdata at91sam9260_config = { .clk_max_div = 7, .clk_offset = 4, }; -static struct at91_twi_pdata at91sam9g20_config = { +static const struct at91_twi_pdata at91sam9g20_config = { .clk_max_div = 7, .clk_offset = 4, }; -static struct at91_twi_pdata at91sam9g10_config = { +static const struct at91_twi_pdata at91sam9g10_config = { .clk_max_div = 7, .clk_offset = 4, }; @@ -110,19 +110,19 @@ static const struct platform_device_id at91_twi_devtypes[] = { }; #if defined(CONFIG_OF) -static struct at91_twi_pdata at91sam9x5_config = { +static const struct at91_twi_pdata at91sam9x5_config = { .clk_max_div = 7, .clk_offset = 4, }; -static struct at91_twi_pdata sama5d4_config = { +static const struct at91_twi_pdata sama5d4_config = { .clk_max_div = 7, .clk_offset = 4, .has_hold_field = true, .has_dig_filtr = true, }; -static struct at91_twi_pdata sama5d2_config = { +static const struct at91_twi_pdata sama5d2_config = { .clk_max_div = 7, .clk_offset = 3, .has_unre_flag = true, @@ -134,7 +134,7 @@ static struct at91_twi_pdata sama5d2_config = { .has_clear_cmd = false, /* due to errata, CLEAR cmd is not working */ }; -static struct at91_twi_pdata sam9x60_config = { +static const struct at91_twi_pdata sam9x60_config = { .clk_max_div = 7, .clk_offset = 3, .has_unre_flag = true, @@ -181,7 +181,7 @@ static const struct of_device_id atmel_twi_dt_ids[] = { MODULE_DEVICE_TABLE(of, atmel_twi_dt_ids); #endif -static struct at91_twi_pdata *at91_twi_get_driver_data( +static const struct at91_twi_pdata *at91_twi_get_driver_data( struct platform_device *pdev) { if (pdev->dev.of_node) { @@ -189,9 +189,9 @@ static struct at91_twi_pdata *at91_twi_get_driver_data( match = of_match_node(atmel_twi_dt_ids, pdev->dev.of_node); if (!match) return NULL; - return (struct at91_twi_pdata *)match->data; + return match->data; } - return (struct at91_twi_pdata *) platform_get_device_id(pdev)->driver_data; + return (const void *) platform_get_device_id(pdev)->driver_data; } static int at91_twi_probe(struct platform_device *pdev) diff --git a/drivers/i2c/busses/i2c-at91-master.c b/drivers/i2c/busses/i2c-at91-master.c index c0c35785a0dc..0434aabb66fe 100644 --- a/drivers/i2c/busses/i2c-at91-master.c +++ b/drivers/i2c/busses/i2c-at91-master.c @@ -32,7 +32,7 @@ void at91_init_twi_bus_master(struct at91_twi_dev *dev) { - struct at91_twi_pdata *pdata = dev->pdata; + const struct at91_twi_pdata *pdata = dev->pdata; u32 filtr = 0; /* FIFO should be enabled immediately after the software reset */ @@ -67,7 +67,7 @@ void at91_init_twi_bus_master(struct at91_twi_dev *dev) static void at91_calc_twi_clock(struct at91_twi_dev *dev) { int ckdiv, cdiv, div, hold = 0, filter_width = 0; - struct at91_twi_pdata *pdata = dev->pdata; + const struct at91_twi_pdata *pdata = dev->pdata; int offset = pdata->clk_offset; int max_ckdiv = pdata->clk_max_div; struct i2c_timings timings, *t = &timings; diff --git a/drivers/i2c/busses/i2c-at91.h b/drivers/i2c/busses/i2c-at91.h index 942e9c3973bb..f0c80b89e502 100644 --- a/drivers/i2c/busses/i2c-at91.h +++ b/drivers/i2c/busses/i2c-at91.h @@ -147,7 +147,7 @@ struct at91_twi_dev { unsigned transfer_status; struct i2c_adapter adapter; unsigned twi_cwgr_reg; - struct at91_twi_pdata *pdata; + const struct at91_twi_pdata *pdata; bool use_dma; bool use_alt_cmd; bool recv_len_abort;