From patchwork Mon Jan 29 14:28:09 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lionel Debieve X-Patchwork-Id: 10189785 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 EBD0C60375 for ; Mon, 29 Jan 2018 14:29:59 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DCE3A204C2 for ; Mon, 29 Jan 2018 14:29:59 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D0E0620881; Mon, 29 Jan 2018 14:29:59 +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=-4.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 19C71204C2 for ; Mon, 29 Jan 2018 14:29:58 +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=ZoQWNakfsg8j1haQBez12ZUI2+s9LoF1bXUmH+Lyrak=; b=QqfTfPB98aTpX9 2lOIz67OMAdrB40nj9zViaLSynZNzNfv+XH34VkbGxPnhEGCHkgKCmsNwd3HJ2lwsHvQe9QSZbOfG EoURdqMaoaxIjXkunZ8IhwGr2adc6A5HRcXzp9tiC4MXTlMe6+KJEdujGO2Lxn255nF4/U1wl1Alm +AcmMKfST/FtYDmj7FIP6ZffhFA+Ing44zDJBISZ4EFmu0aAe+7Rbse5suTpWeckydF/nxk8jhCqm Iw5jDeCesKfgyiO8tF47+2kv08W6CnNmC2/giuT1v5HL+H1Jq6qUjtFIyon2tr5zQK3lYCeWT/V3a 9aLIpNbyCcr42gzetaew==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.89 #1 (Red Hat Linux)) id 1egARZ-00005f-KA; Mon, 29 Jan 2018 14:29:57 +0000 Received: from mx07-00178001.pphosted.com ([62.209.51.94]) by bombadil.infradead.org with esmtps (Exim 4.89 #1 (Red Hat Linux)) id 1egARW-000057-Mv for linux-arm-kernel@lists.infradead.org; Mon, 29 Jan 2018 14:29:56 +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 w0TETEKL016705; Mon, 29 Jan 2018 15:29:31 +0100 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 2ft0sq9ry6-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Mon, 29 Jan 2018 15:29:31 +0100 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 EBAC234; Mon, 29 Jan 2018 14:29:30 +0000 (GMT) Received: from Webmail-eu.st.com (sfhdag7node2.st.com [10.75.127.20]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id CF4282944; Mon, 29 Jan 2018 14:29:30 +0000 (GMT) Received: from lmecxl0602.lme.st.com (10.75.127.46) by SFHDAG7NODE2.st.com (10.75.127.20) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Mon, 29 Jan 2018 15:29:30 +0100 From: Lionel Debieve To: Herbert Xu , "David S . Miller" , Maxime Coquelin , Alexandre Torgue , , , Subject: [PATCH 1/3] crypto: stm32/hash: avoid error if maxburst not defined Date: Mon, 29 Jan 2018 15:28:09 +0100 Message-ID: <20180129142811.13273-2-lionel.Debieve@st.com> X-Mailer: git-send-email 2.15.1 In-Reply-To: <20180129142811.13273-1-lionel.Debieve@st.com> References: <20180129142811.13273-1-lionel.Debieve@st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.46] X-ClientProxiedBy: SFHDAG3NODE3.st.com (10.75.127.9) To SFHDAG7NODE2.st.com (10.75.127.20) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2018-01-29_08:, , signatures=0 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: Ludovic Barre , Lionel Debieve , Benjamin Gaignard , Fabien Dessenne 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: Lionel Debieve dma-maxburst is an optional value and must not return error in case of dma not used (or max-burst not defined). Signed-off-by: Lionel Debieve --- drivers/crypto/stm32/stm32-hash.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/crypto/stm32/stm32-hash.c b/drivers/crypto/stm32/stm32-hash.c index 4ca4a264a833..73cdc3b4dca8 100644 --- a/drivers/crypto/stm32/stm32-hash.c +++ b/drivers/crypto/stm32/stm32-hash.c @@ -1404,18 +1404,19 @@ MODULE_DEVICE_TABLE(of, stm32_hash_of_match); static int stm32_hash_get_of_match(struct stm32_hash_dev *hdev, struct device *dev) { - int err; - hdev->pdata = of_device_get_match_data(dev); if (!hdev->pdata) { dev_err(dev, "no compatible OF match\n"); return -EINVAL; } - err = of_property_read_u32(dev->of_node, "dma-maxburst", - &hdev->dma_maxburst); + if (of_property_read_u32(dev->of_node, "dma-maxburst", + &hdev->dma_maxburst)) { + dev_info(dev, "dma-maxburst not specified, using 0\n"); + hdev->dma_maxburst = 0; + } - return err; + return 0; } static int stm32_hash_probe(struct platform_device *pdev)