From patchwork Wed May 20 16:30:36 2020
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
X-Patchwork-Submitter: Pratyush Yadav
X-Patchwork-Id: 1294465
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=bszUj6mQ;
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=Ot5BtV1A;
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 49Rywp4FHTz9sTC
for ; Thu, 21 May 2020 02:33:14 +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=q1pkPw2OOGXhkywzBUA2C8nvq4AybEnQZ/soHwH08Nc=; b=bszUj6mQgEgI3Z
1WTP0EFKT3JE2rza7p1j/0xri5T48kxgWNjGppl3Tu8h+1Va0R0Wv+4omSf2l8FTxkQF+SiKfPipg
iQbx3I3x+yzBctHLiiwoVG9IGl/elINYcKPfRXFVA3wLwBhjrmXEe0sT2IIPVd8YA4cHtzLeV7fpw
7dlOJ839bkCgLSBELISXRnA0L6lN6aQMsladkNvxLBXb2MiZoSbkIK0Dpfom6dmSjS7j/EQdEMoS/
/U9OlvPY8KgnLn6zMTji2h0jguuekUbdpPxRyUKzItzJcXMUACXdgrZldWMaIr58V2z3PTLvk9CxB
/QoTCZCOyK7+vXFTUEkg==;
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 1jbReI-00054i-FF; Wed, 20 May 2020 16:32:54 +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 1jbRci-0003tr-Nm; Wed, 20 May 2020 16:31:18 +0000
Received: from fllv0034.itg.ti.com ([10.64.40.246])
by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 04KGV9Li064010;
Wed, 20 May 2020 11:31:09 -0500
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com;
s=ti-com-17Q1; t=1589992270;
bh=sf1taodJLPAeYagyTVLo7kxF1+8mkUMEfQy4tR56ABs=;
h=From:To:CC:Subject:Date:In-Reply-To:References;
b=Ot5BtV1Az4rLSW4OLTqUJ2VnMupZJR+cPuUhb+i0sM9rHjraRU/rsFtbTJwhXUA/O
m3gUz3jl8d3ODcx8KXUex88JfKBuEugkBw5SrO0Dr1I1arWVGGGtWlBC/PocrEQqc2
NR7h1gaKWQ+XflmWfQq8NFlwF0s2IX0cUC0IMV5o=
Received: from DFLE113.ent.ti.com (dfle113.ent.ti.com [10.64.6.34])
by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 04KGV9Gn045306
(version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL);
Wed, 20 May 2020 11:31:09 -0500
Received: from DFLE111.ent.ti.com (10.64.6.32) by DFLE113.ent.ti.com
(10.64.6.34) with Microsoft SMTP Server (version=TLS1_2,
cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Wed, 20
May 2020 11:31:09 -0500
Received: from fllv0040.itg.ti.com (10.64.41.20) by DFLE111.ent.ti.com
(10.64.6.32) 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; Wed, 20 May 2020 11:31:09 -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 04KGUsxR001551;
Wed, 20 May 2020 11:31:04 -0500
From: Pratyush Yadav
To: Tudor Ambarus , Miquel Raynal
, Richard Weinberger , Vignesh
Raghavendra , Mark Brown ,
Nicolas Ferre , Alexandre Belloni
, Ludovic Desroches
,
Matthias Brugger ,
, ,
, ,
Subject: [PATCH v6 02/19] spi: atmel-quadspi: reject DTR ops
Date: Wed, 20 May 2020 22:00:36 +0530
Message-ID: <20200520163053.24357-3-p.yadav@ti.com>
X-Mailer: git-send-email 2.25.0
In-Reply-To: <20200520163053.24357-1-p.yadav@ti.com>
References: <20200520163053.24357-1-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-20200520_093116_865513_893620A9
X-CRM114-Status: GOOD ( 11.00 )
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 [198.47.19.142 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_EF Message has a valid DKIM or DK signature from
envelope-from domain
0.1 DKIM_SIGNED Message has a DKIM or DK signature,
not necessarily
valid
-0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from
author's domain
-0.1 DKIM_VALID Message has at least one valid DKIM or DK signature
-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 | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/spi/atmel-quadspi.c b/drivers/spi/atmel-quadspi.c
index cb44d1e169aa..4a29fa7ebdac 100644
--- a/drivers/spi/atmel-quadspi.c
+++ b/drivers/spi/atmel-quadspi.c
@@ -285,6 +285,10 @@ 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;
}