From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 D8FA8C433DF for ; Fri, 22 May 2020 22:44:07 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8C5E9204EA for ; Fri, 22 May 2020 22:44:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="uSwG5ptn"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=ti.com header.i=@ti.com header.b="vwSNKYaB" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8C5E9204EA Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=ti.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org 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=34+owmPi1iX7eZUVA6mtOT6bs5/an/VLzidS4INV8ZU=; b=uSwG5ptn/ONdht CHkSYFM0dArsk2An0WcO0pA6OXej0AP+Xaimly+S6XqCWisc4FcH7lw+QgRFslwqA+UhWlqqEYdLg Qxn2bIfjC7BA1tAJDEu+BC/jX2cbzKpV7Ujs3GxSH+vkPHNcuyadkZ6DiVcKEkIJuh82U9lkDzkiM T8PGfpm8QIvqsRBN9WKM5EMfw+rQconqoOK7mtfehOVwQ3DRFstWPo0JaJYae37urpo8F+LhovGQO PG4kClZ9DgLkFZ6gU7xCedNHBv++kryRJP3zvvDUJTmvOAYsM/uf1WdYGDf8FgFjWJxiDl3btBdvr N1cG8/jNcWht+QCQ3dGg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jcGOR-0004tN-O9; Fri, 22 May 2020 22:43:55 +0000 Received: from fllv0016.ext.ti.com ([198.47.19.142]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jcGLn-0002y2-H0; Fri, 22 May 2020 22:41:13 +0000 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 04MMf55k086262; Fri, 22 May 2020 17:41:05 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1590187265; bh=d4a8/B8RJ1QRHlItn/FpHiKY2BYYAQOc8eQivs7iF4g=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=vwSNKYaBtUg7B86bUD/uCiZFEDEKvmh2ZQAvdGddu6veITNb3xaJjLwMhCfbksdzP PB9qB+HIDx8UG/NBL+tYVdzfyK+p+YtlGIaBbTumooIElJTIoxImpdy8RCRknH3vz5 npJ0hMleLABl2COcG1QAAAm2L9gygWhjgzXCs86k= Received: from DLEE103.ent.ti.com (dlee103.ent.ti.com [157.170.170.33]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 04MMf4Jk106202 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 22 May 2020 17:41:04 -0500 Received: from DLEE104.ent.ti.com (157.170.170.34) by DLEE103.ent.ti.com (157.170.170.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Fri, 22 May 2020 17:41:04 -0500 Received: from lelv0326.itg.ti.com (10.180.67.84) by DLEE104.ent.ti.com (157.170.170.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Fri, 22 May 2020 17:41:04 -0500 Received: from pratyush-OptiPlex-790.dhcp.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 04MMeh5a044559; Fri, 22 May 2020 17:40:59 -0500 From: Pratyush Yadav To: Tudor Ambarus , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Mark Brown , Nicolas Ferre , Alexandre Belloni , Ludovic Desroches , Matthias Brugger , Michal Simek , , , , , Subject: [PATCH v8 03/19] spi: atmel-quadspi: reject DTR ops Date: Sat, 23 May 2020 04:10:26 +0530 Message-ID: <20200522224042.29970-4-p.yadav@ti.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200522224042.29970-1-p.yadav@ti.com> References: <20200522224042.29970-1-p.yadav@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200522_154111_655478_F6688976 X-CRM114-Status: GOOD ( 10.64 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mason Yang , Boris Brezillon , Sekhar Nori , Pratyush Yadav Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.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 | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/spi/atmel-quadspi.c b/drivers/spi/atmel-quadspi.c index cb44d1e169aa..a898755fb41e 100644 --- a/drivers/spi/atmel-quadspi.c +++ b/drivers/spi/atmel-quadspi.c @@ -285,6 +285,12 @@ 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; + if (op->cmd.nbytes != 1) + return false; + return true; } -- 2.26.2 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/