From patchwork Thu Aug 20 17:02:22 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eddie James X-Patchwork-Id: 11726843 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 93AAF15E4 for ; Thu, 20 Aug 2020 17:05:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7AF28208A9 for ; Thu, 20 Aug 2020 17:05:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=ibm.com header.i=@ibm.com header.b="MgyAwScH" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730184AbgHTRCz (ORCPT ); Thu, 20 Aug 2020 13:02:55 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:54116 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729681AbgHTRCj (ORCPT ); Thu, 20 Aug 2020 13:02:39 -0400 Received: from pps.filterd (m0098396.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 07KGsVbj016920; Thu, 20 Aug 2020 13:02:33 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=DcNKgVjUGmbvZWSt0XxxUylF6e60JWtfz3W9SR+T78M=; b=MgyAwScHR4IGIS5WuElePTVIZ36C26KNl4M8wnwdJjXuxX24AtbBrZTfmcjV1us0dYYo LdWk0gIsgXMOZXvOewqrxgnIAQ1HeWZ9fyN7KFY4d7AvbLScjx7zjDA3XNuUxeNsU3ld CsCzWFeVgVpDON5Je9p8jvWQgFnKJ4m3jan7xupHaK1yjVndH6wnDJybVbXuTn9R6Wnx 1/1eJcuqVlmks43yQ5wFqhzF0AaJWT/iMCj3LnDk7/bgnx12YK97rdocb8DDN2hgnvhN ddHH9FDIuCn/cJKgY1ZleYufT2D7TwbpNtD6qIu9bClGZF9ZyaKKBR6e0TaQxxdNIL67 8Q== Received: from ppma04dal.us.ibm.com (7a.29.35a9.ip4.static.sl-reverse.com [169.53.41.122]) by mx0a-001b2d01.pphosted.com with ESMTP id 3311yeqgsu-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 20 Aug 2020 13:02:33 -0400 Received: from pps.filterd (ppma04dal.us.ibm.com [127.0.0.1]) by ppma04dal.us.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 07KGxNlL021126; Thu, 20 Aug 2020 17:02:32 GMT Received: from b01cxnp22033.gho.pok.ibm.com (b01cxnp22033.gho.pok.ibm.com [9.57.198.23]) by ppma04dal.us.ibm.com with ESMTP id 3304ur3429-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 20 Aug 2020 17:02:32 +0000 Received: from b01ledav005.gho.pok.ibm.com (b01ledav005.gho.pok.ibm.com [9.57.199.110]) by b01cxnp22033.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 07KH2VLA43123080 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 20 Aug 2020 17:02:31 GMT Received: from b01ledav005.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7C5A6AE062; Thu, 20 Aug 2020 17:02:31 +0000 (GMT) Received: from b01ledav005.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 85942AE05C; Thu, 20 Aug 2020 17:02:30 +0000 (GMT) Received: from SHADE6A.ibmuc.com (unknown [9.163.70.74]) by b01ledav005.gho.pok.ibm.com (Postfix) with ESMTP; Thu, 20 Aug 2020 17:02:30 +0000 (GMT) From: Eddie James To: linux-spi@vger.kernel.org Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, eajames@linux.ibm.com, joel@jms.id.au, bradleyb@fuzziesquirrel.com, broonie@kernel.org, robh+dt@kernel.org, arnd@arndb.de Subject: [PATCH 1/7] spi: fsi: Handle 9 to 15 byte transfers lengths Date: Thu, 20 Aug 2020 12:02:22 -0500 Message-Id: <20200820170228.42053-2-eajames@linux.ibm.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200820170228.42053-1-eajames@linux.ibm.com> References: <20200820170228.42053-1-eajames@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235,18.0.687 definitions=2020-08-20_03:2020-08-19,2020-08-20 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 mlxscore=0 lowpriorityscore=0 mlxlogscore=734 clxscore=1015 suspectscore=1 adultscore=0 spamscore=0 priorityscore=1501 impostorscore=0 phishscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2008200135 Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org From: Brad Bishop The trailing - 8 bytes of transfer data in this size range is no longer ignored. Fixes: bbb6b2f9865b ("spi: Add FSI-attached SPI controller driver") Signed-off-by: Brad Bishop Signed-off-by: Eddie James Reviewed-by: Joel Stanley Signed-off-by: Joel Stanley --- drivers/spi/spi-fsi.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/spi/spi-fsi.c b/drivers/spi/spi-fsi.c index 37a3e0f8e752..8f64af0140e0 100644 --- a/drivers/spi/spi-fsi.c +++ b/drivers/spi/spi-fsi.c @@ -258,15 +258,15 @@ static int fsi_spi_sequence_transfer(struct fsi_spi *ctx, if (loops > 1) { fsi_spi_sequence_add(seq, SPI_FSI_SEQUENCE_BRANCH(idx)); - if (rem) - fsi_spi_sequence_add(seq, rem); - rc = fsi_spi_write_reg(ctx, SPI_FSI_COUNTER_CFG, SPI_FSI_COUNTER_CFG_LOOPS(loops - 1)); if (rc) return rc; } + if (rem) + fsi_spi_sequence_add(seq, rem); + return 0; }