From patchwork Fri Feb 5 18:59:26 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alain Volmat X-Patchwork-Id: 12070789 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4B69AC433DB for ; Fri, 5 Feb 2021 19:06:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0CB7364E06 for ; Fri, 5 Feb 2021 19:06:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233259AbhBERXP (ORCPT ); Fri, 5 Feb 2021 12:23:15 -0500 Received: from mx07-00178001.pphosted.com ([185.132.182.106]:36870 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233430AbhBERSa (ORCPT ); Fri, 5 Feb 2021 12:18:30 -0500 Received: from pps.filterd (m0241204.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 115IpTLq012965; Fri, 5 Feb 2021 19:59:46 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=selector1; bh=fPn/4HATX6I2/ykXLk2PgRP2y/FYCsUgvSN0VvyUHp8=; b=Mj0PqsPu910WyVcSMeO0ejBccWROxlhFy7VzzGk1tp8OHH7piXeg1TUF9rWhuTcvIFoq Aiz/3q1yoHbb6XQ8Ihqu942j5yEiZqUojLni+odmI/bZPE+4N5YuHCcqFU9xEsjt3psv /exfIaUTpuj41Dk6iY0Ev4j9s8QM3A1lDwyj8yxv1NQ7q559Ir3vWTdAEI7O/6FIKiSY om5MLrg5a6WEjE6VDZ2TS/+RSHovdv9QX6sZ1GCN306Mucn1vGt/iDLbDJDGFqp8kSI+ uOWGvkjL5VT0oxxJAn0bMrmG/ZLnJUdI0shmOuy2O15BfQ11m1yJRg7JGhTo6y3mCmZm BA== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 36ey7hj46t-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 05 Feb 2021 19:59:46 +0100 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 21D8310002A; Fri, 5 Feb 2021 19:59:46 +0100 (CET) Received: from Webmail-eu.st.com (sfhdag2node3.st.com [10.75.127.6]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 185822C38D3; Fri, 5 Feb 2021 19:59:46 +0100 (CET) Received: from localhost (10.75.127.47) by SFHDAG2NODE3.st.com (10.75.127.6) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Fri, 5 Feb 2021 19:59:45 +0100 From: Alain Volmat To: , CC: , , , , , , , Subject: [PATCH v2 2/8] spi: stm32: do not mandate cs_gpio Date: Fri, 5 Feb 2021 19:59:26 +0100 Message-ID: <1612551572-495-3-git-send-email-alain.volmat@foss.st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1612551572-495-1-git-send-email-alain.volmat@foss.st.com> References: <1612551572-495-1-git-send-email-alain.volmat@foss.st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.47] X-ClientProxiedBy: SFHDAG1NODE3.st.com (10.75.127.3) To SFHDAG2NODE3.st.com (10.75.127.6) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369,18.0.737 definitions=2021-02-05_10:2021-02-05,2021-02-05 signatures=0 Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org CS gpios is not mandatory, the driver should allow working even when CS are not given. Signed-off-by: Alain Volmat --- v2: identical to v1 drivers/spi/spi-stm32.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/drivers/spi/spi-stm32.c b/drivers/spi/spi-stm32.c index 6cdecd1c5ec7..2b4ea4cba00b 100644 --- a/drivers/spi/spi-stm32.c +++ b/drivers/spi/spi-stm32.c @@ -1944,12 +1944,6 @@ static int stm32_spi_probe(struct platform_device *pdev) goto err_pm_disable; } - if (!master->cs_gpiods) { - dev_err(&pdev->dev, "no CS gpios available\n"); - ret = -EINVAL; - goto err_pm_disable; - } - dev_info(&pdev->dev, "driver initialized\n"); return 0;