From patchwork Fri Mar 13 15:46:35 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pratyush Yadav X-Patchwork-Id: 11437243 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 40DCB139A for ; Fri, 13 Mar 2020 15:47:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2147F2072C for ; Fri, 13 Mar 2020 15:47:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="Nbgv68aY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727193AbgCMPrP (ORCPT ); Fri, 13 Mar 2020 11:47:15 -0400 Received: from fllv0016.ext.ti.com ([198.47.19.142]:39952 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726832AbgCMPrO (ORCPT ); Fri, 13 Mar 2020 11:47:14 -0400 Received: from lelv0265.itg.ti.com ([10.180.67.224]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 02DFkxmX061727; Fri, 13 Mar 2020 10:46:59 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1584114419; bh=UhAG0/4iSjuMUuigRDZlf5dFQbmSluLyCCpQMKeb6Jg=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=Nbgv68aY0m78gK+qQ99gmIZi+F1Y6IEwGsQKyuzMc61nesheeqaFMDITJz+tWYFXi ikvEHhVVI+QVQwj/vgpTI5voKrtNw9Q82ES2vg7qVrb+J/bX/2W1GgJhDDDr911ucA f291c8EGs9lRgClPDwjUnTqLuHf8D4FZwL7uDxxc= Received: from DFLE110.ent.ti.com (dfle110.ent.ti.com [10.64.6.31]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 02DFkxto012943 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 13 Mar 2020 10:46:59 -0500 Received: from DFLE103.ent.ti.com (10.64.6.24) by DFLE110.ent.ti.com (10.64.6.31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1847.3; Fri, 13 Mar 2020 10:46:59 -0500 Received: from fllv0040.itg.ti.com (10.64.41.20) by DFLE103.ent.ti.com (10.64.6.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1847.3 via Frontend Transport; Fri, 13 Mar 2020 10:46:59 -0500 Received: from pratyush-OptiPlex-790.dhcp.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0040.itg.ti.com (8.15.2/8.15.2) with ESMTP id 02DFkkSG034352; Fri, 13 Mar 2020 10:46:55 -0500 From: Pratyush Yadav To: Tudor Ambarus , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Mark Brown , Nicolas Ferre , Alexandre Belloni , Ludovic Desroches CC: Pratyush Yadav , , , , , Sekhar Nori Subject: [PATCH v3 02/12] spi: atmel-quadspi: reject DTR ops Date: Fri, 13 Mar 2020 21:16:35 +0530 Message-ID: <20200313154645.29293-3-p.yadav@ti.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200313154645.29293-1-p.yadav@ti.com> References: <20200313154645.29293-1-p.yadav@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org Double Transfer Rate (DTR) ops are added in spi-mem. But this controller doesn't support DTR transactions. Since we don't use the default supports_op(), which rejects all DTR ops, do that explicitly in our supports_op(). Signed-off-by: Pratyush Yadav --- drivers/spi/atmel-quadspi.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/spi/atmel-quadspi.c b/drivers/spi/atmel-quadspi.c index 13def7f78b9e..91c1515ea72a 100644 --- a/drivers/spi/atmel-quadspi.c +++ b/drivers/spi/atmel-quadspi.c @@ -210,6 +210,10 @@ static bool atmel_qspi_supports_op(struct spi_mem *mem, op->dummy.nbytes == 0) return false; + /* DTR ops not supported. */ + if (op->cmd.dtr || op->addr.dtr || op->dummy.dtr || op->data.dtr) + return false; + return true; }