From patchwork Wed Aug 1 09:37:01 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ludovic BARRE X-Patchwork-Id: 10551985 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D849C1822 for ; Wed, 1 Aug 2018 09:40:29 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C6B8B2A713 for ; Wed, 1 Aug 2018 09:40:29 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id BB3532A832; Wed, 1 Aug 2018 09:40:29 +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=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 70CD32A713 for ; Wed, 1 Aug 2018 09:40:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=YIGKeiW1hfxQRMBRSxzvJlhrN8LRIMEZC+bpe9URhaA=; b=Wt938eJPY2CMD2 O3cy9keVunUivwjRIPeA7ddz45Txb7ZUo4Q93cKLRiI6GplvPOqDTSRnv99D0+YyZ2EIVB6gLG0R0 zYE9tdysWfOXKVDzqF6jY14ERnHVQL94shcpSe0dcRMuOZY4saMAciajfgbc8xx4DDD5pt3Hu+lPt M9IKYfJU1jzhoN7hncZSjMSljXHqOoOVNCq7qa+ECrm9nUs4D+kSvECbXufjDamjCRNc3rW1DC1e4 vzA2jsJBLmZyWl1sEU7Yj03Nnpyv61sUSQv/sLZ6AXR7ZwQa8RQBJBVXH6fAs3PBl95/5ubHVBO7a 8hLkA76XRX0uXEiBuJow==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1fkncE-00055X-NL; Wed, 01 Aug 2018 09:40:22 +0000 Received: from mx07-00178001.pphosted.com ([62.209.51.94]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1fknZn-0001gv-MW for linux-arm-kernel@lists.infradead.org; Wed, 01 Aug 2018 09:37:55 +0000 Received: from pps.filterd (m0046037.ppops.net [127.0.0.1]) by mx07-.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id w719TSGl009408; Wed, 1 Aug 2018 11:37:38 +0200 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 2kjnaddbdr-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Wed, 01 Aug 2018 11:37:38 +0200 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 3A86231; Wed, 1 Aug 2018 09:37:38 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas22.st.com [10.75.90.92]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id B87E9296F; Wed, 1 Aug 2018 09:37:37 +0000 (GMT) Received: from SAFEX1HUBCAS24.st.com (10.75.90.95) by Safex1hubcas22.st.com (10.75.90.92) with Microsoft SMTP Server (TLS) id 14.3.361.1; Wed, 1 Aug 2018 11:37:37 +0200 Received: from lmecxl0923.lme.st.com (10.48.0.237) by webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.361.1; Wed, 1 Aug 2018 11:37:37 +0200 From: Ludovic Barre To: Ulf Hansson , Rob Herring Subject: [PATCH 14/14] mmc: mmci: add validate_data callback Date: Wed, 1 Aug 2018 11:37:01 +0200 Message-ID: <1533116221-380-15-git-send-email-ludovic.Barre@st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1533116221-380-1-git-send-email-ludovic.Barre@st.com> References: <1533116221-380-1-git-send-email-ludovic.Barre@st.com> MIME-Version: 1.0 X-Originating-IP: [10.48.0.237] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2018-08-01_03:, , signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180801_023752_534503_D1FFEE88 X-CRM114-Status: GOOD ( 15.86 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Alexandre Torgue , linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, Ludovic Barre , Maxime Coquelin , Gerald Baeza , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Ludovic Barre This patch adds validate_data callback at mmci_host_ops to check specific constraints of variant. Signed-off-by: Ludovic Barre --- drivers/mmc/host/mmci.c | 39 +++++++++++++++++++++------------------ drivers/mmc/host/mmci.h | 1 + 2 files changed, 22 insertions(+), 18 deletions(-) diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index d5ca93e..7ba2f61 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -234,24 +234,6 @@ static int mmci_card_busy(struct mmc_host *mmc) return busy; } -/* - * Validate mmc prerequisites - */ -static int mmci_validate_data(struct mmci_host *host, - struct mmc_data *data) -{ - if (!data) - return 0; - - if (!is_power_of_2(data->blksz)) { - dev_err(mmc_dev(host->mmc), - "unsupported block size (%d bytes)\n", data->blksz); - return -EINVAL; - } - - return 0; -} - static void mmci_reg_delay(struct mmci_host *host) { /* @@ -365,6 +347,27 @@ static void mmci_set_clkreg(struct mmci_host *host, unsigned int desired) mmci_write_clkreg(host, clk); } +/* + * Validate mmc prerequisites + */ +static int mmci_validate_data(struct mmci_host *host, + struct mmc_data *data) +{ + if (!data) + return 0; + + if (!is_power_of_2(data->blksz)) { + dev_err(mmc_dev(host->mmc), + "unsupported block size (%d bytes)\n", data->blksz); + return -EINVAL; + } + + if (host->ops && host->ops->validate_data) + return host->ops->validate_data(host, data); + + return 0; +} + int mmci_prepare_data(struct mmci_host *host, struct mmc_data *data, bool next) { int err; diff --git a/drivers/mmc/host/mmci.h b/drivers/mmc/host/mmci.h index 0a4811d..10b71bf 100644 --- a/drivers/mmc/host/mmci.h +++ b/drivers/mmc/host/mmci.h @@ -273,6 +273,7 @@ struct variant_data { /* mmci variant callbacks */ struct mmci_host_ops { + int (*validate_data)(struct mmci_host *host, struct mmc_data *data); int (*prepare_data)(struct mmci_host *host, struct mmc_data *data, bool next); void (*unprepare_data)(struct mmci_host *host, struct mmc_data *data,