From patchwork Fri Feb 5 11:08:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alain Volmat X-Patchwork-Id: 12069985 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 7B5FDC433E6 for ; Fri, 5 Feb 2021 11:17:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2C34064FA3 for ; Fri, 5 Feb 2021 11:17:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231396AbhBELQN (ORCPT ); Fri, 5 Feb 2021 06:16:13 -0500 Received: from mx07-00178001.pphosted.com ([185.132.182.106]:20790 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232024AbhBELKg (ORCPT ); Fri, 5 Feb 2021 06:10:36 -0500 Received: from pps.filterd (m0046668.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 115ApxOZ025610; Fri, 5 Feb 2021 12:09:45 +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=+/RZX5SIxV5sG9B0VrBpihRo0TMSApvV68YrCoWQaf4=; b=r1KpIA+jppvt/n5v9fwU0nFT+yoFHaEgD73mEwQ3bKIMm78pOK45BuEa//sAM9dmRsKU /OikQREdJdvMsU6Azv+e2JwnV6tSTR8+TpFpN1v8k5/mhzr3UeGgEpUiE3XL+efKaHDK oY9hvspPaWl1WlwPF77cnwDeoNEU27g30UG08RdZPyuUoACCqiiRe+mvEQTuAQbtCfsH yZPKx4FnGQpq1G1Zcpz3GB/8Avzl6PH6dM/TMCeF1SgEF4uzO57sC9zvJrNORbxEmjg3 wubfR7QU5fqKobU9sSmabHgm7Ly3ra6tTi2UU4wXMAw3T9up6CGVbdB7SVyoOzcq9knK FA== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 36d0fse9j6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 05 Feb 2021 12:09:45 +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 E332510002A; Fri, 5 Feb 2021 12:09:44 +0100 (CET) Received: from Webmail-eu.st.com (sfhdag2node3.st.com [10.75.127.6]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id D7F34229F3C; Fri, 5 Feb 2021 12:09:44 +0100 (CET) Received: from localhost (10.75.127.48) by SFHDAG2NODE3.st.com (10.75.127.6) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Fri, 5 Feb 2021 12:09:44 +0100 From: Alain Volmat To: , CC: , , , , , , , Subject: [PATCH 2/8] spi: stm32: do not mandate cs_gpio Date: Fri, 5 Feb 2021 12:08:56 +0100 Message-ID: <1612523342-10466-3-git-send-email-alain.volmat@foss.st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1612523342-10466-1-git-send-email-alain.volmat@foss.st.com> References: <1612523342-10466-1-git-send-email-alain.volmat@foss.st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.48] X-ClientProxiedBy: SFHDAG3NODE2.st.com (10.75.127.8) 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_06:2021-02-05,2021-02-05 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 --- 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 137213633e6d..8c6af3aa0dc3 100644 --- a/drivers/spi/spi-stm32.c +++ b/drivers/spi/spi-stm32.c @@ -1946,12 +1946,6 @@ 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;