From patchwork Fri May 5 08:49:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bough Chen X-Patchwork-Id: 13232341 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 0F373C77B7D for ; Fri, 5 May 2023 08:47:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231261AbjEEIrd (ORCPT ); Fri, 5 May 2023 04:47:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43272 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231312AbjEEIra (ORCPT ); Fri, 5 May 2023 04:47:30 -0400 Received: from EUR05-VI1-obe.outbound.protection.outlook.com (mail-vi1eur05on2061.outbound.protection.outlook.com [40.107.21.61]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0358F18DD1; Fri, 5 May 2023 01:47:27 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=Xe79NWp0imx7AnwUfPgwuSopYxMyuc/wyJDJo2cPD9DP3EuB4K+XZqf1Zq7ItwGoU4QQfu1mLyb45pn3/K3TOHtgq/7BwczcHo7/dZc1sNvfV90l7CfakbYYmcyx3bpfizuSyE7TgZhDgOwgRmbfwntCEd90iUbWcrSboFNZQX2ZXyTpT5reuAL5Dvbajo8kVcFNpBV2gF/lyalOI/5JSxg9UEQ65Gx2qVRiFggaywp+qeHH26+JYyY5/wBcwL+siNhZiap+LJSZRz6b+tG5AoAG/t8iMRiXZed3IQmAAuQn4vI74lrPRWaAZkU31EUg5tvRCYl9mRonCdeqbycp1A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=+k1mx8fDIGWP0iLTt0GLKxlUYwIIkQ4nAg6dUaaZEX4=; b=GMqEOJ7GITmdQYjRtg0RTPodbuEPQpAKNTbQtUO18X6tuQVGAYkhhDc4yj0p/w24PzWUuZKouZJARLS3/qHwX7CrRAeUVZxwAW9MThNaSHagoUCY7GB4AIFBmCPDMongAp2FHCBodFvp154Y/fux+oTdK/L4Y/8TvQFJk05dBZ9ee4An/KR3G6aMtpKD+mP1yZR4rtp9wJtuIaAE87y2poDQ6/Hnmjp0qgoJIOlpjNM99y+JdbYFJpwpea30A6hBMF9zj7NU37QUgSOwRo8msheEVN7DwP8tDgXc8IPxJYlBTMJTDC6hFq2m0Rfc7xsl/upD6qvDqvx80dHspBknuQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=+k1mx8fDIGWP0iLTt0GLKxlUYwIIkQ4nAg6dUaaZEX4=; b=onCmhHsGeDkWr7Yi156rJj3Pw2fPQCoItqcShQxGYB1Lp/CPGjUZ4cYWvlArQ5SFUgy1a8HueT68rPU25v+THnEQJH23IHC3TbZ7uXNZP/6yY/0uPrPVAjVCm+2DHr7OfGuGChkcf632BCnDQOYeZp9BRa4hecnc4qHW7h9Frfg= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; Received: from DB7PR04MB4010.eurprd04.prod.outlook.com (2603:10a6:5:21::30) by VI1PR04MB7024.eurprd04.prod.outlook.com (2603:10a6:800:124::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6363.27; Fri, 5 May 2023 08:47:24 +0000 Received: from DB7PR04MB4010.eurprd04.prod.outlook.com ([fe80::9d1e:facb:ae5a:25b6]) by DB7PR04MB4010.eurprd04.prod.outlook.com ([fe80::9d1e:facb:ae5a:25b6%3]) with mapi id 15.20.6363.022; Fri, 5 May 2023 08:47:24 +0000 From: haibo.chen@nxp.com To: adrian.hunter@intel.com, ulf.hansson@linaro.org, linux-mmc@vger.kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, shawnguo@kernel.org, s.hauer@pengutronix.de Cc: linux-imx@nxp.com, haibo.chen@nxp.com, kernel@pengutronix.de, festevam@gmail.com, cniedermaier@dh-electronics.com, devicetree@vger.kernel.org, kernel@dh-electronics.com Subject: [PATCH 2/4] mmc: sdhci-esdhc-imx: remove redundant write protect code Date: Fri, 5 May 2023 16:49:53 +0800 Message-Id: <20230505084955.238940-2-haibo.chen@nxp.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230505084955.238940-1-haibo.chen@nxp.com> References: <20230505084955.238940-1-haibo.chen@nxp.com> X-ClientProxiedBy: SG2PR01CA0121.apcprd01.prod.exchangelabs.com (2603:1096:4:40::25) To DB7PR04MB4010.eurprd04.prod.outlook.com (2603:10a6:5:21::30) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DB7PR04MB4010:EE_|VI1PR04MB7024:EE_ X-MS-Office365-Filtering-Correlation-Id: a95e98d1-43cf-4706-489f-08db4d4558d9 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:DB7PR04MB4010.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230028)(4636009)(396003)(376002)(39860400002)(346002)(136003)(366004)(451199021)(86362001)(36756003)(6666004)(52116002)(316002)(4326008)(66946007)(66556008)(66476007)(478600001)(6486002)(41300700001)(7416002)(5660300002)(8676002)(8936002)(2906002)(38350700002)(38100700002)(186003)(2616005)(6506007)(9686003)(1076003)(6512007)(26005)(83380400001);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: a95e98d1-43cf-4706-489f-08db4d4558d9 X-MS-Exchange-CrossTenant-AuthSource: DB7PR04MB4010.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 May 2023 08:47:24.3626 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: zls6IkFVDqO+De1FhEKsBsN64A2X6pWk5n93lNnIaTQGu97weo4JA0yOtgb+v+Jq6t2sbAf2EqvOhP0gTRHBYw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR04MB7024 Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org From: Haibo Chen The logic of the esdhc_pltfm_get_ro() is just the same with common code sdhci_check_ro(). So remove this redundant code, depends on mmc_of_parse() and sdhci_check_ro() to cover the write protect logic. Signed-off-by: Haibo Chen --- drivers/mmc/host/sdhci-esdhc-imx.c | 47 +----------------------------- 1 file changed, 1 insertion(+), 46 deletions(-) diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index c7db742f729c..54531aab70f0 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -201,22 +201,8 @@ /* ERR004536 is not applicable for the IP */ #define ESDHC_FLAG_SKIP_ERR004536 BIT(17) -enum wp_types { - ESDHC_WP_NONE, /* no WP, neither controller nor gpio */ - ESDHC_WP_CONTROLLER, /* mmc controller internal WP */ - ESDHC_WP_GPIO, /* external gpio pin for WP */ -}; - -/* - * struct esdhc_platform_data - platform data for esdhc on i.MX - * - * ESDHC_WP(CD)_CONTROLLER type is not available on i.MX25/35. - * - * @wp_type: type of write_protect method (see wp_types enum above) - */ - +/* struct esdhc_platform_data - platform data for esdhc on i.MX */ struct esdhc_platform_data { - enum wp_types wp_type; int max_bus_width; unsigned int delay_line; unsigned int tuning_step; /* The delay cell steps in tuning procedure */ @@ -994,25 +980,6 @@ static inline void esdhc_pltfm_set_clock(struct sdhci_host *host, } -static unsigned int esdhc_pltfm_get_ro(struct sdhci_host *host) -{ - struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); - struct pltfm_imx_data *imx_data = sdhci_pltfm_priv(pltfm_host); - struct esdhc_platform_data *boarddata = &imx_data->boarddata; - - switch (boarddata->wp_type) { - case ESDHC_WP_GPIO: - return mmc_gpio_get_ro(host->mmc); - case ESDHC_WP_CONTROLLER: - return !(readl(host->ioaddr + SDHCI_PRESENT_STATE) & - SDHCI_WRITE_PROTECT); - case ESDHC_WP_NONE: - break; - } - - return -ENOSYS; -} - static void esdhc_pltfm_set_bus_width(struct sdhci_host *host, int width) { u32 ctrl; @@ -1380,7 +1347,6 @@ static struct sdhci_ops sdhci_esdhc_ops = { .get_max_clock = esdhc_pltfm_get_max_clock, .get_min_clock = esdhc_pltfm_get_min_clock, .get_max_timeout_count = esdhc_get_max_timeout_count, - .get_ro = esdhc_pltfm_get_ro, .set_timeout = esdhc_set_timeout, .set_bus_width = esdhc_pltfm_set_bus_width, .set_uhs_signaling = esdhc_set_uhs_signaling, @@ -1588,17 +1554,6 @@ sdhci_esdhc_imx_probe_dt(struct platform_device *pdev, struct esdhc_platform_data *boarddata = &imx_data->boarddata; int ret; - if (of_property_read_bool(np, "fsl,wp-controller")) - boarddata->wp_type = ESDHC_WP_CONTROLLER; - - /* - * If we have this property, then activate WP check. - * Retrieveing and requesting the actual WP GPIO will happen - * in the call to mmc_of_parse(). - */ - if (of_property_read_bool(np, "wp-gpios")) - boarddata->wp_type = ESDHC_WP_GPIO; - of_property_read_u32(np, "fsl,tuning-step", &boarddata->tuning_step); of_property_read_u32(np, "fsl,tuning-start-tap", &boarddata->tuning_start_tap);