From patchwork Mon May 25 09:15:28 2020
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
X-Patchwork-Submitter: Pratyush Yadav
X-Patchwork-Id: 1297219
X-Patchwork-Delegate: tudor.ambarus@gmail.com
Return-Path:
X-Original-To: incoming@patchwork.ozlabs.org
Delivered-To: patchwork-incoming@bilbo.ozlabs.org
Authentication-Results: ozlabs.org;
spf=none (no SPF record) smtp.mailfrom=lists.infradead.org
(client-ip=2607:7c80:54:e::133; helo=bombadil.infradead.org;
envelope-from=linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org;
receiver=)
Authentication-Results: ozlabs.org;
dmarc=fail (p=quarantine dis=none) header.from=ti.com
Authentication-Results: ozlabs.org;
dkim=pass (2048-bit key;
unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org
header.a=rsa-sha256 header.s=bombadil.20170209 header.b=kYIPct//;
dkim=fail reason="signature verification failed" (1024-bit key;
unprotected) header.d=ti.com header.i=@ti.com header.a=rsa-sha256
header.s=ti-com-17Q1 header.b=J9DXUF4h;
dkim-atps=neutral
Received: from bombadil.infradead.org (bombadil.infradead.org
[IPv6:2607:7c80:54:e::133])
(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)
key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest
SHA256)
(No client certificate requested)
by ozlabs.org (Postfix) with ESMTPS id 49Vs6k4DJzz9sSs
for ; Mon, 25 May 2020 19:21:50 +1000 (AEST)
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=kYIPct//IQQbsX
OfLILtwnnrrleevsIjkSL7YdMufSr+9NU6y01BTopYJig3oco5uWgQuYBkvY5HwFSKHsfN/wKW/hd
Z59F69wUAB16yG2s5yervQxGe52GQHQyUr6FRhE4+XJj//gvJxkvlUO7wlsJHvj+xjPU+++lS6fWy
G/Mxrb04KMLIt3LYruCpATwqrf9aYmX0ZJ85IkO3673ByGT5Clxck2I1nUVdZ+gWKInkWlYgleUTB
u6OwE4/OI4umP45DLH694VdLx852jL0/C70aLP4Y0oT+XECZKwXZ3Ju8Tu/SMXeNdNM/8Yn755b2H
Pvk6SIcH3CdmhKCKOiQg==;
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 1jd9Ii-0004im-7m; Mon, 25 May 2020 09:21:40 +0000
Received: from fllv0015.ext.ti.com ([198.47.19.141])
by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux))
id 1jd9Du-00073A-Ea; Mon, 25 May 2020 09:16:44 +0000
Received: from fllv0035.itg.ti.com ([10.64.41.0])
by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 04P9GXX4095594;
Mon, 25 May 2020 04:16:33 -0500
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com;
s=ti-com-17Q1; t=1590398193;
bh=d4a8/B8RJ1QRHlItn/FpHiKY2BYYAQOc8eQivs7iF4g=;
h=From:To:CC:Subject:Date:In-Reply-To:References;
b=J9DXUF4hBnduy+OlatE1Dv7pznJfno9VlDabfN58cN70+ztg4WxXg8WGFMLwn6Pfn
WAS9LBnE0qUVIrCkTL8twX6sLxTV+4n5xf/XMoaLjtw5413yfTZtMbEQFt79ciN1hU
jGwZ2a42xh0Seb+d52NyXk2ZgXKOzEqGB7dXp8w8=
Received: from DLEE112.ent.ti.com (dlee112.ent.ti.com [157.170.170.23])
by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTP id 04P9GXoI018250;
Mon, 25 May 2020 04:16:33 -0500
Received: from DLEE111.ent.ti.com (157.170.170.22) by DLEE112.ent.ti.com
(157.170.170.23) with Microsoft SMTP Server (version=TLS1_2,
cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Mon, 25
May 2020 04:16:08 -0500
Received: from fllv0039.itg.ti.com (10.64.41.19) by DLEE111.ent.ti.com
(157.170.170.22) 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; Mon, 25 May 2020 04:16:07 -0500
Received: from pratyush-OptiPlex-790.dhcp.ti.com (ileax41-snat.itg.ti.com
[10.172.224.153])
by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 04P9FjA3034800;
Mon, 25 May 2020 04:16:03 -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 v9 03/19] spi: atmel-quadspi: reject DTR ops
Date: Mon, 25 May 2020 14:45:28 +0530
Message-ID: <20200525091544.17270-4-p.yadav@ti.com>
X-Mailer: git-send-email 2.25.0
In-Reply-To: <20200525091544.17270-1-p.yadav@ti.com>
References: <20200525091544.17270-1-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-20200525_021642_978297_2EC2C269
X-CRM114-Status: GOOD ( 10.53 )
X-Spam-Score: -2.5 (--)
X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary:
Content analysis details: (-2.5 points)
pts rule name description
---- ----------------------
--------------------------------------------------
-2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/,
medium trust [198.47.19.141 listed in list.dnswl.org]
-0.0 SPF_PASS SPF: sender matches SPF record
0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record
-0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from
author's domain
0.1 DKIM_SIGNED Message has a DKIM or DK signature,
not necessarily
valid
-0.1 DKIM_VALID Message has at least one valid DKIM or DK signature
-0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from
envelope-from domain
-0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender
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
Sender: "linux-mtd"
Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.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;
}